{"id":11974,"date":"2022-10-03T17:17:04","date_gmt":"2022-10-03T08:17:04","guid":{"rendered":"https:\/\/prodskill.com\/?p=11974"},"modified":"2022-10-05T00:13:54","modified_gmt":"2022-10-04T15:13:54","slug":"oracle-character-set-migration-10-convert-clob","status":"publish","type":"post","link":"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/","title":{"rendered":"Oracle \u5b57\u7b26\u96c6\u8f6c\u6362\uff0810\uff09\uff1a6.3\u3002\u5982\u4f55\u5c06CLOB\u7c7b\u578b\u8f6c\u6362\u4e3a\u97e9\u6587"},"content":{"rendered":"<p>\u6211\u4eec\u6765\u770b\u770bCLOB\u7c7b\u578b\u97e9\u6587\u8f6c\u6362\u65b9\u6cd5\u3002\u5728US7ASCII\u5b57\u7b26\u96c6DB\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770bCLOB\u7c7b\u578b\u5305\u62ecHangul\u5982\u4f55\u8f6c\u6362\u4e3aAL32UTF8\u4ee5\u53ca\u8f6c\u6362\u7ed3\u679c\u3002<\/p>\n\n\n\n<p>\u8fd9\u662f\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7684\u5ef6\u7eed\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-9-dblink-ctas-utl_raw\/\">Oracle\u5b57\u7b26\u96c6\u8f6c\u6362\uff08\u4e5d\uff09\uff1a6.\u5982\u4f55\u8f6c\u6362\u7528\u6237\u5b9e\u73b0\u7684\u5b57\u7b26\u96c6\uff08\u4e8c\uff09<\/a><\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">&lt;&lt;\u76ee\u5f55&gt;&gt;<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u5207\u6362\u76ee\u5f55\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">\u5207\u6362<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/#63_CLOB_type_%ED%95%9C%EA%B8%80_%EB%B3%80%ED%99%98_%EB%B0%A9%EB%B2%95\" >6.3.\u5982\u4f55\u5c06CLOB\u7c7b\u578b\u8f6c\u6362\u4e3a\u97e9\u6587<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/#631_CLOB_%EB%8D%B0%EC%9D%B4%ED%84%B0_%ED%99%95%EC%9D%B8\" >6.3.1.\u68c0\u67e5 CLOB \u6570\u636e<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/#632_CLOB_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EB%B3%80%ED%99%98\" >6.3.2. CLOB \u6570\u636e\u8f6c\u6362<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h3 class=\"wp-block-heading\" id=\"6.3._CLOB_\ubcc0\ud658_\ubc29\ubc95\"><span class=\"ez-toc-section\" id=\"63_CLOB_type_%ED%95%9C%EA%B8%80_%EB%B3%80%ED%99%98_%EB%B0%A9%EB%B2%95\"><\/span>6.3.\u5982\u4f55\u5c06CLOB\u7c7b\u578b\u8f6c\u6362\u4e3a\u97e9\u6587<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-8-datapump-export-import\/\">Oracle\u5b57\u7b26\u96c6\u8f6c\u6362\uff08\u516b\uff09\uff1a\u516d\u3001\u5982\u4f55\u8f6c\u6362\u7528\u6237\u5b9e\u73b0\u7684\u5b57\u7b26\u96c6\uff08\u4e00\uff09<\/a><\/p>\n\n\n\n<p>\u5728\u4e0a\u9762\u7684\u6587\u7ae0\u4e2d\uff0c\u6211\u63d0\u5230\u4e86\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u4f5c\u4e3a\u53c2\u8003\uff0c\u5728US7ASCII\u5230AL32UTF8\u8f6c\u6362\u7684\u60c5\u51b5\u4e0b\uff0cCLOB\u7c7b\u578b\u7684\u5217\u4e0d\u80fd\u6b63\u5e38\u8f6c\u6362\uff0c\u6240\u4ee5\u9700\u8981\u5355\u72ec\u5904\u7406\u3002<br>\u5c06\u5728\u4e0b\u4e00\u7bc7\u6587\u7ae0\u4e2d\u89e3\u91ca\u3002<\/p><\/blockquote>\n\n\n\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u8bf4\u660e\u5982\u4f55\u4f7f\u7528 DB Link \u4ece US7ASCII \u5230 AL32UTF8 \u5c06\u5305\u62ec\u97e9\u6587\u5b57\u7b26\u7684 CLOB \u7c7b\u578b\u8f6c\u6362\u4e3a AL32UTF8\u3002\u4f7f\u7528 DBMS_LOB\uff0c\u8fd9\u662f\u4e00\u4e2a Oracle \u57fa\u672c\u5305\u3002<\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u8ba9\u6211\u4eec\u68c0\u67e5\u6765\u81ea\u4e09\u4e2a\u5b9e\u4f8b\u7684 CLOB \u6570\u636e\uff1aORAUS7\u3001ORAMSWIN949 \u548c ORAUTF\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"6.3.1._CLOB_\ub370\uc774\ud130_\ud655\uc778\"><span class=\"ez-toc-section\" id=\"631_CLOB_%EB%8D%B0%EC%9D%B4%ED%84%B0_%ED%99%95%EC%9D%B8\"><\/span>6.3.1.\u68c0\u67e5 CLOB \u6570\u636e<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>\u901a\u8fc7\u5728\u4e09\u4e2a\u5b9e\u4f8b\u4e0a\u6267\u884c\u4e0b\u9762\u7684 INSERT \u8bed\u53e5\uff0c\u7528\u6570\u636e\u586b\u5145 CLOB \u5217 (REF_DES)\uff1aORAUS7\u3001ORAMSWIN949 \u548c ORAUTF\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">INSERT INTO SUB_MON_STAT\n(USE_MON, LINE_NUM, SUB_STA_ID, SUB_STA_NM, RIDE_PASGR_NUM,\n ALIGHT_PASGR_NUM, WORK_DT, COMMT,\n REF_DES, REF_IMG)\nVALUES\n('201301', '1\ud638\uc120', '0150', '\uc11c\uc6b8\uc5ed', 2199181,\n 1855268, '20130723', RPAD('\uc11c\uc6b8\uc5ed', 3000, '\uc11c\uc6b8\uc5ed'),\n RPAD('\uc11c\uc6b8\uc5ed', 3000, '\uc11c\uc6b8\uc5ed'), UTL_RAW.CAST_TO_RAW('12345'))\n;<\/pre>\n\n\n\n<p>\u6bcf\u5217\u7684\u6570\u636e\u7c7b\u578b\u5982\u4e0b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84.png\"><img loading=\"lazy\" decoding=\"async\" width=\"894\" height=\"253\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84.png\" alt=\"Oracle Character Set \ubcc0\ud658 \ud14c\uc2a4\ud2b8 \ud14c\uc774\ube14 \uad6c\uc131\" class=\"wp-image-11938\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84.png 894w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-300x85.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-768x217.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-18x5.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-24x7.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-36x10.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-84-48x14.png 48w\" sizes=\"auto, (max-width: 894px) 100vw, 894px\" \/><\/a><figcaption>Oracle \u5b57\u7b26\u96c6\u8f6c\u6362\u6d4b\u8bd5\u8868\u914d\u7f6e<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u73b0\u5728\uff0c\u8ba9\u6211\u4eec\u4f7f\u7528\u4ee5\u4e0b SQL \u68c0\u67e5\u6bcf\u4e2a\u5b9e\u4f8b\u4e2d\u7684 ref_des \u5217\uff08CLOB \u7c7b\u578b\uff09\u6570\u636e\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">select dbms_lob.getlength(ref_des) chr_len\n      ,lengthb(dbms_lob.substr(ref_des, dbms_lob.getlength(ref_des), 1)) byte_len\n      ,dump(dbms_lob.substr(ref_des, dbms_lob.getlength(ref_des), 1), 1016) dp\n      ,ref_des\n  from sub_mon_stat\n where ref_des is not null\n   and rownum &lt;= 1\n;<\/pre>\n\n\n\n<p><strong>\u25bc \u5965\u62c9\u65af7<\/strong><\/p>\n\n\n\n<p>CLOB\u6570\u636e\u7684\u5b57\u7b26\u96c6\u662fUS7ASCII\uff0c\u97e9\u6587\u5b57\u7b26\u663e\u793a\u4e0d\u6b63\u5e38\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-1024x702.png\" alt=\"ORAUS7 CLOB \ub370\uc774\ud130 \ud655\uc778\" class=\"wp-image-11975\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-97.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u67e5\u770bORAUS7 CLOB\u6570\u636e<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5b57\u7b26\u6570\uff08chr_len\uff09\u662f3000\uff0c\u5b57\u8282\u6570\uff08byte_len\uff09\u4e5f\u662f3000\u3002\u5373\u53ef\u4ee5\u770b\u51fa\u4e00\u4e2a\u5b57\u7b26\u5b58\u50a8\u4e3a\u4e00\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\u6211\u627e\u4e0d\u5230\u5728 SQL Developer \u4e2d\u8bbe\u7f6e NLS_LANG \u7684\u65b9\u6cd5\uff0c\u6240\u4ee5\u6211\u5728 sqlplus \u4e2d\u8fd0\u884c\u5b83\u5e76\u786e\u8ba4\u663e\u793a\u4e86\u97e9\u6587\u5b57\u7b26\u3002<\/p>\n\n\n\n<p>\u5982\u679c\u5982\u4e0b\u6240\u793a\u5c06 NLS_LANG \u8bbe\u7f6e\u4e3a US7ASCII\uff0c\u5219\u4f1a\u663e\u793a\u97e9\u8bed\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98.png\"><img loading=\"lazy\" decoding=\"async\" width=\"873\" height=\"736\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98.png\" alt=\"ORAUS7 CLOB \ud55c\uae00 \ub370\uc774\ud130 \ud655\uc778 (sqlplus, NLS_LANG=US7ASCII)\" class=\"wp-image-11976\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98.png 873w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-300x253.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-768x647.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-14x12.png 14w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-24x20.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-36x30.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-98-48x40.png 48w\" sizes=\"auto, (max-width: 873px) 100vw, 873px\" \/><\/a><figcaption>\u67e5\u770bORAUS7 CLOB\u97e9\u8bed\u6570\u636e\uff08sqlplus, NLS_LANG=US7ASCII\uff09<\/figcaption><\/figure>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">C:\\Users\\ymlee>set NLS_LANG=AMERICAN_AMERICA.US7ASCII\n\nC:\\Users\\ymlee>sqlplus leg\/leg@oraus7\n\nSQL*Plus: Release 11.2.0.1.0 Production on Sun Jul 24 21:42:43 2022\n\nCopyright (c) 1982, 2010, Oracle.  All rights reserved.\n\n\nConnected to:\nOracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production\nWith the Partitioning, OLAP, Data Mining and Real Application Testing options\n\nSQL> set pagesize 100\nSQL> set linesize 200\nSQL> select dbms_lob.getlength(ref_des) chr_len\n  2        ,lengthb(dbms_lob.substr(ref_des, dbms_lob.getlength(ref_des), 1)) byte_len\n  3        ,substr(dump(dbms_lob.substr(ref_des, dbms_lob.getlength(ref_des), 1), 1016), 1, 200) dp\n  4        ,ref_des\n  5    from sub_mon_stat\n  6   where ref_des is not null\n  7     and rownum &lt;= 1\n  8\nSQL> \/\n\n   CHR_LEN   BYTE_LEN\n---------- ----------\nDP\n--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\nREF_DES\n--------------------------------------------------------------------------------\n      3000       3000\nTyp=1 Len=3000 CharacterSet=US7ASCII: bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,bc,ad,bf,ef,bf,aa,\n\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\uc6b8\uc5ed\uc11c\n\n\nSQL><\/pre>\n\n\n\n<p><strong>\u25bc ORAMSWIN949<\/strong><\/p>\n\n\n\n<p>CLOB\u6570\u636e\u7684\u5b57\u7b26\u96c6\u4e3aKO16MSWIN949\uff0c\u97e9\u6587\u5b57\u7b26\u663e\u793a\u6b63\u5e38\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-1024x702.png\" alt=\"KO16MSWIN949 CLOB \ub370\uc774\ud130 \ud655\uc778\" class=\"wp-image-11977\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-99.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u68c0\u67e5 KO16MSWIN949 CLOB \u6570\u636e<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5b57\u7b26\u6570 (chr_len) \u4e3a 1,500\uff0c\u5b57\u8282\u6570 (byte_len) \u4e3a 3,000\u3002\u5373\u53ef\u4ee5\u770b\u51fa\uff0c\u4e00\u4e2a\u5b57\u7b26\u5b58\u50a8\u4e3a2\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p><strong>\u25bc \u5965\u7279\u592b<\/strong><\/p>\n\n\n\n<p>CLOB\u6570\u636e\u7684\u5b57\u7b26\u96c6\u662fAL32UTF8\uff0c\u97e9\u6587\u5b57\u7b26\u663e\u793a\u6b63\u5e38\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-1024x702.png\" alt=\"\" class=\"wp-image-11978\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-100.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u68c0\u67e5 ORAUTF CLOB \u6570\u636e<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5b57\u7b26\u6570 (chr_len) \u4e3a 1,334\uff0c\u5b57\u8282\u6570 (byte_len) \u4e3a 4,000\u3002\u5373\u53ef\u4ee5\u770b\u51fa\uff0c\u4e00\u4e2a\u5b57\u7b26\u5b58\u50a8\u4e3a3\u4e2a\u5b57\u8282\u3002<\/p>\n\n\n\n<p>\uff08\u51c6\u786e\u7684\u5b57\u8282\u6570\u662f4002\uff0c\u4f46\u7565\u6709\u4e0d\u540c\uff0c\u56e0\u4e3adbms_lob.substr\u8fd4\u56de\u7684\u6700\u5927\u5b57\u8282\u6570\u662f4000\uff09<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"6.3.2._CLOB_\ub370\uc774\ud130_\ubcc0\ud658\"><span class=\"ez-toc-section\" id=\"632_CLOB_%EB%8D%B0%EC%9D%B4%ED%84%B0_%EB%B3%80%ED%99%98\"><\/span>6.3.2. CLOB \u6570\u636e\u8f6c\u6362<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CLOB \u6570\u636e\u65e0\u6cd5\u901a\u8fc7 DB Link \u6267\u884c\u9009\u62e9\u3002\u6211\u6536\u5230\u201cORA-22992\uff1a\u65e0\u6cd5\u4f7f\u7528\u8fdc\u7a0b\u8868\u4e2d\u9009\u5b9a\u7684 LOB \u4f4d\u7f6e\u201d\u9519\u8bef\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-1024x702.png\" alt=\"CLOB \ub370\uc774\ud130\ub97c DB Link\ub85c query\ud560 \ub54c ORA-22992 \uc624\ub958\" class=\"wp-image-11979\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-101.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u4f7f\u7528 DB Link \u67e5\u8be2 CLOB \u6570\u636e\u65f6\u51fa\u73b0 ORA-22992 \u9519\u8bef<\/figcaption><\/figure>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">select use_mon, line_num, sub_sta_id, sub_sta_nm, ride_pasgr_num, alight_pasgr_num, work_dt, commt\n      ,ref_des\n  from sub_mon_stat@dl_us7 a\n;\n\nORA-22992: \uc6d0\uaca9 \ud14c\uc774\ube14\ub85c \ubd80\ud130 \uc120\ud0dd\ub41c LOB \uc704\uce58\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4\n22992. 00000 -  \"cannot use LOB locators selected from remote tables\"\n*Cause:    A remote LOB column cannot be referenced.\n*Action:   Remove references to LOBs in remote tables.<\/pre>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 CTAS\uff08Create Table As Select\uff09\u8bed\u6cd5\u590d\u5236\u6570\u636e\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">create table sub_mon_stat_from_oraus7\nas\nselect use_mon, line_num, sub_sta_id, sub_sta_nm, ride_pasgr_num, alight_pasgr_num, work_dt\n      ,ref_des\n  from sub_mon_stat@dl_us7 a\n;\n\nselect dbms_lob.getlength(ref_des) chr_len\n      ,lengthb(dbms_lob.substr(ref_des, 1333, 1)) byte_len\n      ,dump(dbms_lob.substr(ref_des, 1333, 1), 1016) dp\n      ,ref_des\n  from sub_mon_stat_from_oraus7\n where ref_des is not null\n   and rownum &lt;= 1\n;<\/pre>\n\n\n\n<p>\u770b\u4e0a\u9762\u7684\u67e5\u8be2\u6267\u884c\u7ed3\u679c\uff0cCLOB\u5217\u7684\u5b57\u7b26\u96c6\u8f6c\u6362\u6210\u4e86AL32UTF8\uff0c\u4f46\u662f\u97e9\u6587\u5b57\u7b26\u4e32\u6ca1\u6709\u6b63\u5e38\u8f6c\u6362\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-1024x702.png\" alt=\"CTAS\ub85c \uc0dd\uc131\ud55c Table \ub370\uc774\ud130 \ud655\uc778\" class=\"wp-image-11980\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-102.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u68c0\u67e5\u4f7f\u7528 CTAS \u521b\u5efa\u7684\u8868\u6570\u636e<\/figcaption><\/figure>\n<\/div>\n\n\n<p>\u5728 CLOB \u5217\u4e2d\u8f6c\u6362\u97e9\u6587\u5b57\u7b26\u7684\u8fc7\u7a0b\u5982\u4e0b\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103.png\"><img loading=\"lazy\" decoding=\"async\" width=\"612\" height=\"395\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103.png\" alt=\"CLOB \uceec\ub7fc\uc758 \ud55c\uae00\uc744 \ubcc0\ud658\ud558\ub294 \uacfc\uc815 \uc694\uc57d\" class=\"wp-image-11981\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103.png 612w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103-300x194.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103-24x15.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103-36x23.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103-48x31.png 48w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/a><figcaption>CLOB\u5217\u4e2d\u97e9\u6587\u5b57\u7b26\u8f6c\u6362\u8fc7\u7a0b\u603b\u7ed3<\/figcaption><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\"><li>\u5728\u6e90\u6570\u636e\u5e93\u4e2d\u521b\u5efa\u4e00\u4e2a\u5c06 CLOB \u5217\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a BLOB \u7684\u89c6\u56fe\uff08\u5b9e\u4f8b #1\uff0cORAUS7\uff09<\/li><li>\u5728\u76ee\u6807\u6570\u636e\u5e93\uff08\u5b9e\u4f8b #3\uff0cORAUTF\uff09\u4e2d\u4f7f\u7528 CTAS\uff08Create Table As Select\uff09\u8bed\u6cd5\u521b\u5efa\u8868<\/li><li>\u901a\u8fc7\u5c06\u4e0a\u9762\u521b\u5efa\u7684\u8868\u7684 BLOB \u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3a CLOB \u7c7b\u578b\u6765\u521b\u5efa\u8868<\/li><\/ol>\n\n\n\n<p>\u8ba9\u6211\u4eec\u4e00\u4e00\u770b\u770b\u3002<\/p>\n\n\n\n<p><strong>1\u3001\u5728\u6e90DB\uff08\u5b9e\u4f8b#1\uff0cORAUS7\uff09\u4e2d\u521b\u5efa\u4e00\u4e2a\u5c06CLOB\u5217\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3aBLOB\u7684\u89c6\u56fe<\/strong><\/p>\n\n\n\n<p>\u5982\u679cCLOB\u5217\u7684\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3aBLOB\uff0cDB Link\u67e5\u8be2\u65f6\u4e0d\u8f6c\u6362\u5b57\u7b26\u96c6\u3002<\/p>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528 DBMS_LOB.CONVERTTOBLOB \u8fc7\u7a0b\u5c06 CLOB \u8f6c\u6362\u4e3a BLOB \u7684\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">CREATE OR REPLACE FUNCTION FN_CLOB_TO_BLOB (P_CLOB CLOB) RETURN BLOB\nAS\n L_BLOB          BLOB;\n L_DEST_OFFSET   INTEGER := 1;\n L_SOURCE_OFFSET INTEGER := 1;\n L_LANG_CONTEXT  INTEGER := DBMS_LOB.DEFAULT_LANG_CTX;\n L_WARNING       INTEGER := DBMS_LOB.WARN_INCONVERTIBLE_CHAR;\nBEGIN\n  IF DBMS_LOB.GETLENGTH(P_CLOB) != 0 THEN\n      DBMS_LOB.CREATETEMPORARY(L_BLOB, TRUE);\n      DBMS_LOB.CONVERTTOBLOB\n      (\n       DEST_LOB    =>L_BLOB,\n       SRC_CLOB    =>P_CLOB,\n       AMOUNT      =>DBMS_LOB.LOBMAXSIZE,\n       DEST_OFFSET =>L_DEST_OFFSET,\n       SRC_OFFSET  =>L_SOURCE_OFFSET,\n       BLOB_CSID   =>DBMS_LOB.DEFAULT_CSID,\n       LANG_CONTEXT=>L_LANG_CONTEXT,\n       WARNING     =>L_WARNING\n      );\n  END IF;\n  RETURN L_BLOB;\nEND;<\/pre>\n\n\n\n<p>\u7136\u540e\uff0c\u4f7f\u7528\u4e0a\u8ff0\u51fd\u6570\u521b\u5efa\u4e00\u4e2a\u89c6\u56fe\u3002<\/p>\n\n\n\n<p>\u51fa\u4e8e\u6d4b\u8bd5\u76ee\u7684\uff0c\u4ec5\u9009\u62e9\u4e86\u67d0\u4e9b\u5217\u548c CLOB \u5217 REF_DES \u4e2d\u5177\u6709\u503c\u7684\u884c\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">CREATE OR REPLACE VIEW VW_SUB_MON_STAT_BLOB\nAS\nSELECT  USE_MON, SUB_STA_ID\n       ,FN_CLOB_TO_BLOB(REF_DES) REF_DES_BLOB\n  FROM  SUB_MON_STAT\n WHERE  REF_DES IS NOT NULL;<\/pre>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>2.\u5728\u76ee\u6807DB\uff08\u5b9e\u4f8b#3\uff0cORAUTF\uff09\u4e2d\u4f7f\u7528CTAS\uff08Create Table As Select\uff09\u8bed\u6cd5\u521b\u5efa\u8868<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u8bed\u6cd5\u4ece DB Link \u83b7\u53d6\u6570\u636e\u5e76\u521b\u5efa\u8868\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">CREATE  TABLE SUB_MON_STAT_BLOB\nAS\nSELECT  A.*\n  FROM  VW_SUB_MON_STAT_BLOB@DL_US7 A;<\/pre>\n\n\n\n<div style=\"height:40px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p><strong>3.\u521b\u5efa\u8868\uff0c\u5c06\u4e0a\u9762\u521b\u5efa\u7684\u8868\u7684BLOB\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u4e3aCLOB\u7c7b\u578b<\/strong><\/p>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528 DBMS_LOB.CONVERTTOCLOB \u8fc7\u7a0b\u5c06 BLOB \u8f6c\u6362\u4e3a CLOB \u7684\u51fd\u6570\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">CREATE OR REPLACE FUNCTION FN_BLOB_TO_CLOB (P_BLOB BLOB) RETURN CLOB\nAS\n L_CLOB          CLOB;\n L_DEST_OFFSET   INTEGER := 1;\n L_SOURCE_OFFSET INTEGER := 1;\n L_LANG_CONTEXT  INTEGER := DBMS_LOB.DEFAULT_LANG_CTX;\n L_WARNING       INTEGER := DBMS_LOB.WARN_INCONVERTIBLE_CHAR;\nBEGIN\n  DBMS_LOB.CREATETEMPORARY(L_CLOB, TRUE);\n  DBMS_LOB.CONVERTTOCLOB\n  (\n   DEST_LOB    =>L_CLOB,\n   SRC_BLOB    =>P_BLOB,\n   AMOUNT      =>DBMS_LOB.LOBMAXSIZE,\n   DEST_OFFSET =>L_DEST_OFFSET,\n   SRC_OFFSET  =>L_SOURCE_OFFSET,\n   --BLOB_CSID   =>DBMS_LOB.DEFAULT_CSID,\n   BLOB_CSID   =>846, -- NLS_CHARSET_ID('KO16MSWIN949')\n   LANG_CONTEXT=>L_LANG_CONTEXT,\n   WARNING     =>L_WARNING\n  );\n  RETURN L_CLOB;\nEND;<\/pre>\n\n\n\n<p>\u5728 DBMS_LOB.CONVERTTOCLOB \u8fc7\u7a0b\u7684\u53c2\u6570\u4e2d\uff0cBLOB_CSID \u8868\u793a\u201c\u6e90\u6570\u636e\u7684\u5b57\u7b26\u96c6 ID\u201d\u3002<\/p>\n\n\n\n<p>\u6709\u5173\u8be6\u7ec6\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u4e0b\u9762\u7684\u6587\u6863\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/docs.oracle.com\/cd\/E11882_01\/appdev.112\/e40758\/d_lob.htm#ARPLS602\" target=\"_blank\" rel=\"noreferrer noopener\">DBMS_LOB \u2013 CONVERTTOCLOB \u8fc7\u7a0b (oracle.com)<\/a><\/p>\n\n\n\n<p>BLOB_CSID \u5fc5\u987b\u6307\u5b9a\u4e3a\u6574\u6570\u503c\uff0c\u800c\u4e0d\u662f\u5b57\u7b26\u4e32\uff0c\u5e76\u4e14\u53ef\u4ee5\u901a\u8fc7 NLS_CHARSET_ID \u51fd\u6570\u83b7\u77e5\u8be5\u503c\u3002<\/p>\n\n\n\n<p>\u7531\u4e8e\u539f\u59cb\u6570\u636e\u7684\u5b57\u7b26\u96c6\u662fKO16MSWIN949\uff0c\u6267\u884c\u4ee5\u4e0b\u64cd\u4f5c\u786e\u8ba4846\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104.png\"><img loading=\"lazy\" decoding=\"async\" width=\"461\" height=\"194\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104.png\" alt=\"NLS_CHARSET_ID \ud568\uc218\ub85c BLOB_CSID \ud655\uc778\" class=\"wp-image-11982\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104.png 461w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104-300x126.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104-18x8.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104-24x10.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104-36x15.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-104-48x20.png 48w\" sizes=\"auto, (max-width: 461px) 100vw, 461px\" \/><\/a><figcaption>\u4f7f\u7528 NLS_CHARSET_ID \u51fd\u6570\u68c0\u67e5 BLOB_CSID<\/figcaption><\/figure>\n<\/div>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">SELECT NLS_CHARSET_ID('KO16MSWIN949')\n  FROM DUAL;<\/pre>\n\n\n\n<p>\u5e76\u4e14\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4e0a\u8ff0\u529f\u80fd\u521b\u5efa\u6216\u67e5\u8be2\u8868\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"sql\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\" data-no-auto-translation=\"\">CREATE  TABLE SUB_MON_STAT_BLOB_TO_CLOB\nAS\nSELECT  USE_MON, SUB_STA_ID\n       ,FN_BLOB_TO_CLOB(REF_DES_BLOB) REF_DES\n  FROM  SUB_MON_STAT_BLOB A;\n\nselect *\n  from sub_mon_stat_blob_to_clob\n;\n\n-- Table \uc0dd\uc131\ud558\uc9c0 \uc54a\uc744 \uacbd\uc6b0\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 query \uac00\ub2a5\nselect use_mon, sub_sta_id\n       ,fn_blob_to_clob(ref_des_blob) ref_des\n  from sub_mon_stat_blob\n;<\/pre>\n\n\n\n<p>\u60a8\u53ef\u4ee5\u68c0\u67e5\u97e9\u6587\u662f\u5426\u5df2\u6b63\u5e38\u8f6c\u6362\uff0c\u5982\u4e0b\u6240\u793a\u3002<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><a href=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-1024x702.png\" alt=\"CLOB \ud55c\uae00 \ubcc0\ud658\uacb0\uacfc \ud655\uc778\" class=\"wp-image-11983\" srcset=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-1024x702.png 1024w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-300x206.png 300w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-768x527.png 768w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-18x12.png 18w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-24x16.png 24w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-36x25.png 36w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105-48x33.png 48w, https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-105.png 1050w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption>\u67e5\u770b CLOB \u97e9\u8bed\u8f6c\u6362\u7ed3\u679c<\/figcaption><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p>\u81f3\u6b64\uff0c\u6211\u4eec\u5df2\u7ecf\u4e86\u89e3\u4e86\u5982\u4f55\u5c06 US7ASCII \u5b57\u7b26\u96c6 DB \u4e2d\u5305\u542b\u97e9\u6587\u5b57\u7b26\u7684 CLOB \u7c7b\u578b\u8f6c\u6362\u4e3a AL32UTF8\u3002<\/p>\n\n\n\n<p>\u770b\u8d77\u6765\u6709\u70b9\u590d\u6742\uff0c\u56e0\u4e3a\u662f\u7ecf\u8fc7\u51e0\u9053\u5de5\u5e8f\u8f6c\u6362\u7684\uff0c\u4f46\u662f\u4e00\u6b65\u4e00\u6b65\u770b\uff0c\u4e5f\u6ca1\u4ec0\u4e48\u96be\u7684\u3002<\/p>\n\n\n\n<p>\u5230\u6b64\u4e3a\u6b62\uff0c\u5173\u4e8eOracle\u5b57\u7b26\u96c6\u8f6c\u6362\u7684\u7cfb\u5217\u6587\u7ae0\u5c31\u7ed3\u675f\u4e86\u3002<\/p>\n\n\n\n<p>\u6211\u5e0c\u671b\u6211\u80fd\u5bf9\u9700\u8981\u5b83\u7684\u4eba\u6709\u6240\u5e2e\u52a9\u3002<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6211\u4eec\u6765\u770b\u770bCLOB\u7c7b\u578b\u97e9\u6587\u8f6c\u6362\u65b9\u6cd5\u3002\u5728US7ASCII\u5b57\u7b26\u96c6DB\u4e2d\uff0c\u53ef\u4ee5\u67e5\u770bCLOB\u7c7b\u578b\u5305\u62ecHangul\u5982\u4f55\u8f6c\u6362\u4e3aAL32UTF8\u4ee5\u53ca\u8f6c\u6362\u7ed3\u679c\u3002\u8fd9\u662f\u4e0a\u4e00\u7bc7\u6587\u7ae0\u7684\u5ef6\u7eed\u3002 Oracle\u5b57\u7b26\u96c6\u8f6c\u6362(9)\uff1a6.\u7528\u6237\u5b9e\u73b0\u5b57\u7b26\u96c6\u8f6c\u6362\u65b9\u6cd5(2)...<\/p>","protected":false},"author":1,"featured_media":11981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[242,248,249,254,255,259,260,263],"class_list":["post-11974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle","tag-oracle","tag-character-set-","tag-character-set-conversion","tag-us7ascii","tag-ko16mswin949","tag-al32utf8","tag-db-link","tag-dbms_lob"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oracle Character Set \ubcc0\ud658(10): 6.3. CLOB type \ud55c\uae00 \ubcc0\ud658 \ubc29\ubc95 - \uc0dd\uc0b0\uc131 Skill<\/title>\n<meta name=\"description\" content=\"CLOB type \ud55c\uae00 \ubcc0\ud658 \ubc29\ubc95 \uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf8\ub2e4. US7ASCII character set DB\uc5d0\uc11c \ud55c\uae00\uc774 \ud3ec\ud568\ub41c CLOB type\uc744 AL32UTF8\ub85c \ubcc0\ud658\ud558\ub294 \ubc29\ubc95\uacfc \ubcc0\ud658 \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle Character Set \ubcc0\ud658(10): 6.3. CLOB type \ud55c\uae00 \ubcc0\ud658 \ubc29\ubc95 - \uc0dd\uc0b0\uc131 Skill\" \/>\n<meta property=\"og:description\" content=\"CLOB type \ud55c\uae00 \ubcc0\ud658 \ubc29\ubc95 \uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf8\ub2e4. US7ASCII character set DB\uc5d0\uc11c \ud55c\uae00\uc774 \ud3ec\ud568\ub41c CLOB type\uc744 AL32UTF8\ub85c \ubcc0\ud658\ud558\ub294 \ubc29\ubc95\uacfc \ubcc0\ud658 \uacb0\uacfc\ub97c \ud655\uc778\ud560 \uc218 \uc788\ub2e4.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/prodskill.com\/zh\/oracle-character-set-migration-10-convert-clob\/\" \/>\n<meta property=\"og:site_name\" content=\"\uc0dd\uc0b0\uc131 Skill\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-03T08:17:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-04T15:13:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/prodskill.com\/wp-content\/uploads\/2022\/10\/image-103.png\" \/>\n\t<meta property=\"og:image:width\" content=\"612\" \/>\n\t<meta property=\"og:image:height\" content=\"395\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Zerom\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Zerom\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/\"},\"author\":{\"name\":\"Zerom\",\"@id\":\"https:\\\/\\\/prodskill.com\\\/ko\\\/#\\\/schema\\\/person\\\/bbad0870c78008c82edbe0960fe768bd\"},\"headline\":\"Oracle Character Set \ubcc0\ud658(10): 6.3. CLOB type \ud55c\uae00 \ubcc0\ud658 \ubc29\ubc95\",\"datePublished\":\"2022-10-03T08:17:04+00:00\",\"dateModified\":\"2022-10-04T15:13:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/\"},\"wordCount\":318,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/prodskill.com\\\/ko\\\/#\\\/schema\\\/person\\\/bbad0870c78008c82edbe0960fe768bd\"},\"image\":{\"@id\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/prodskill.com\\\/wp-content\\\/uploads\\\/2022\\\/10\\\/image-103.png\",\"keywords\":[\"ORACLE\",\"Character Set \ubcc0\ud658\",\"Character Set Conversion\",\"US7ASCII\",\"KO16MSWIN949\",\"AL32UTF8\",\"DB Link\",\"DBMS_LOB\"],\"articleSection\":[\"ORACLE\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/\",\"url\":\"https:\\\/\\\/prodskill.com\\\/oracle-character-set-migration-10-convert-clob\\\/\",\"name\":\"Oracle Character Set \ubcc0\ud658(10): 6.3. 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