{"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\/de\/oracle-character-set-migration-10-convert-clob\/","title":{"rendered":"Konvertierung von Oracle-Zeichens\u00e4tzen (10): 6.3. So konvertieren Sie den CLOB-Typ in Koreanisch"},"content":{"rendered":"<p>Werfen wir einen Blick auf die koreanische Konvertierungsmethode vom Typ CLOB. In der US7ASCII-Zeichensatz-DB k\u00f6nnen Sie \u00fcberpr\u00fcfen, wie der CLOB-Typ einschlie\u00dflich Hangul in AL32UTF8 und das Konvertierungsergebnis konvertiert wird.<\/p>\n\n\n\n<p>Dies ist eine Fortsetzung des vorherigen Artikels.<\/p>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/de\/oracle-character-set-migration-9-dblink-ctas-utl_raw\/\">Oracle-Zeichensatzkonvertierung (9): 6. So konvertieren Sie vom Benutzer implementierte Zeichens\u00e4tze (2)<\/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;Inhaltsverzeichnis&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=\"Inhaltsverzeichnis umschalten\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Umschalten<\/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\/de\/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. So konvertieren Sie den CLOB-Typ in Koreanisch<\/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\/de\/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. \u00dcberpr\u00fcfen Sie die CLOB-Daten<\/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\/de\/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-Datenkonvertierung<\/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. So konvertieren Sie den CLOB-Typ in Koreanisch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><a href=\"https:\/\/prodskill.com\/de\/oracle-character-set-migration-8-datapump-export-import\/\">Oracle-Zeichensatzkonvertierung(8): 6. So konvertieren Sie einen vom Benutzer implementierten Zeichensatz (1)<\/a><\/p>\n\n\n\n<p>Im obigen Artikel habe ich folgendes erw\u00e4hnt:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Als Referenz: Bei der Konvertierung von US7ASCII in AL32UTF8 werden Spalten vom Typ CLOB nicht normal konvertiert, sodass eine separate Verarbeitung erforderlich ist.<br>Es wird im n\u00e4chsten Artikel erkl\u00e4rt.<\/p><\/blockquote>\n\n\n\n<p>In diesem Artikel erkl\u00e4ren wir, wie Sie den Typ CLOB einschlie\u00dflich koreanischer Zeichen mithilfe von DB Link von US7ASCII in AL32UTF8 in AL32UTF8 konvertieren. Verwenden Sie DBMS_LOB, ein Oracle-Basispaket.<\/p>\n\n\n\n<p>Lassen Sie uns zun\u00e4chst CLOB-Daten von drei Instanzen \u00fcberpr\u00fcfen: ORAUS7, ORAMSWIN949 und ORAUTF.<\/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. \u00dcberpr\u00fcfen Sie die CLOB-Daten<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>F\u00fcllen Sie die CLOB-Spalte (REF_DES) mit Daten, indem Sie die folgende INSERT-Anweisung auf drei Instanzen ausf\u00fchren: ORAUS7, ORAMSWIN949 und ORAUTF.<\/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>Der Datentyp jeder Spalte ist wie folgt.<\/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>Konfiguration der Oracle-Zeichensatzkonvertierungstesttabelle<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Lassen Sie uns nun die Daten der ref_des-Spalte (CLOB-Typ) in jeder Instanz mit dem folgenden SQL \u00fcberpr\u00fcfen.<\/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 ORAUS7<\/strong><\/p>\n\n\n\n<p>Der Zeichensatz der CLOB-Daten ist US7ASCII, und koreanische Zeichen werden nicht normal angezeigt.<\/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>\u00dcberpr\u00fcfen Sie die ORAUS7 CLOB-Daten<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Die Anzahl der Zeichen (chr_len) betr\u00e4gt 3.000 und die Anzahl der Bytes (byte_len) ebenfalls 3.000. Das hei\u00dft, es ist ersichtlich, dass ein Zeichen als ein Byte gespeichert wird.<\/p>\n\n\n\n<p>Ich konnte keine M\u00f6glichkeit finden, NLS_LANG in SQL Developer festzulegen, also habe ich es in sqlplus ausgef\u00fchrt und best\u00e4tigt, dass koreanische Zeichen angezeigt wurden.<\/p>\n\n\n\n<p>Wenn NLS_LANG wie unten gezeigt auf US7ASCII eingestellt ist, wird Koreanisch angezeigt.<\/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>\u00dcberpr\u00fcfen Sie ORAUS7 CLOB koreanische Daten (sqlplus, NLS_LANG=US7ASCII)<\/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>Der Zeichensatz der CLOB-Daten ist KO16MSWIN949, und koreanische Zeichen werden normal angezeigt.<\/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>\u00dcberpr\u00fcfen Sie die KO16MSWIN949 CLOB-Daten<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Die Anzahl der Zeichen (chr_len) betr\u00e4gt 1.500 und die Anzahl der Bytes (byte_len) betr\u00e4gt 3.000. Das hei\u00dft, es ist ersichtlich, dass ein Zeichen als 2 Bytes gespeichert wird.<\/p>\n\n\n\n<p><strong>\u25bc ORAUTF<\/strong><\/p>\n\n\n\n<p>Der Zeichensatz der CLOB-Daten ist AL32UTF8, und koreanische Zeichen werden normal angezeigt.<\/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>\u00dcberpr\u00fcfen Sie die ORAUTF-CLOB-Daten<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Die Anzahl der Zeichen (chr_len) betr\u00e4gt 1.334 und die Anzahl der Bytes (byte_len) betr\u00e4gt 4.000. Das hei\u00dft, es ist ersichtlich, dass ein Zeichen als 3 Bytes gespeichert wird.<\/p>\n\n\n\n<p>(Die genaue Anzahl der Bytes betr\u00e4gt 4.002, aber es gibt einen kleinen Unterschied, da die maximale Anzahl der von dbms_lob.substr zur\u00fcckgegebenen Bytes 4.000 betr\u00e4gt.)<\/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-Datenkonvertierung<span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n\n<p>CLOB-Daten k\u00f6nnen keine Auswahl \u00fcber DB Link ausf\u00fchren. Ich erhalte die Fehlermeldung \u201eORA-22992: Ausgew\u00e4hlter LOB-Speicherort aus Remote-Tabelle kann nicht verwendet werden\u201c.<\/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>ORA-22992 Fehler beim Abfragen von CLOB-Daten mit DB Link<\/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>Sie k\u00f6nnen Daten mithilfe der CTAS-Syntax (Create Table As Select) wie folgt kopieren.<\/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>Betrachtet man das obige Abfrageausf\u00fchrungsergebnis, wurde der Zeichensatz der CLOB-Spalte in AL32UTF8 konvertiert, aber die koreanische Zeichenfolge wurde nicht normal konvertiert.<\/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>\u00dcberpr\u00fcfen Sie die mit CTAS erstellten Tabellendaten<\/figcaption><\/figure>\n<\/div>\n\n\n<p>Der Prozess zum Konvertieren koreanischer Zeichen in eine CLOB-Spalte ist wie folgt.<\/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>Zusammenfassung des Konvertierungsprozesses f\u00fcr koreanische Zeichen in CLOB-Spalten<\/figcaption><\/figure>\n<\/div>\n\n\n<ol class=\"wp-block-list\"><li>Erstellen Sie eine Ansicht, die den Datentyp der CLOB-Spalte in der Quell-DB (Instanz #1, ORAUS7) in BLOB konvertiert.<\/li><li>Tabelle mit CTAS-Syntax (Create Table As Select) im Ziel-DB erstellen (Instanz #3, ORAUTF)<\/li><li>Erstellen Sie eine Tabelle, indem Sie den BLOB-Datentyp der oben erstellten Tabelle in den CLOB-Typ konvertieren<\/li><\/ol>\n\n\n\n<p>Schauen wir sie uns nacheinander an.<\/p>\n\n\n\n<p><strong>1. Erstellen Sie eine Ansicht, die den Datentyp der CLOB-Spalte in der Quell-DB (Instanz #1, ORAUS7) in BLOB konvertiert.<\/strong><\/p>\n\n\n\n<p>Wird der Datentyp der CLOB-Spalte auf BLOB konvertiert, wird der Zeichensatz bei der Abfrage mit DB Link nicht konvertiert.<\/p>\n\n\n\n<p>Erstellen Sie eine Funktion, die CLOB mithilfe der DBMS_LOB.CONVERTTOBLOB-Prozedur wie folgt in BLOB konvertiert.<\/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>Erstellen Sie dann eine Ansicht mit der obigen Funktion.<\/p>\n\n\n\n<p>Zu Testzwecken wurden nur Zeilen mit Werten in einigen Spalten und der CLOB-Spalte REF_DES ausgew\u00e4hlt.<\/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. Erstellen Sie eine Tabelle mit CTAS-Syntax (Create Table As Select) im Ziel-DB (Instanz #3, ORAUTF)<\/strong><\/p>\n\n\n\n<p>Holen Sie sich Daten von DB Link mit der folgenden Syntax und erstellen Sie eine Tabelle.<\/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. Erstellen Sie eine Tabelle, indem Sie den BLOB-Datentyp der oben erstellten Tabelle in den CLOB-Typ konvertieren<\/strong><\/p>\n\n\n\n<p>Erstellen Sie eine Funktion, die BLOB in CLOB konvertiert, indem Sie die DBMS_LOB.CONVERTTOCLOB-Prozedur wie folgt verwenden.<\/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>Unter den Parametern der DBMS_LOB.CONVERTTOCLOB-Prozedur bedeutet BLOB_CSID \u201eDie Zeichensatz-ID der Quelldaten\u201c.<\/p>\n\n\n\n<p>Weitere Einzelheiten entnehmen Sie bitte dem unten stehenden Dokument.<\/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-Prozedur (oracle.com)<\/a><\/p>\n\n\n\n<p>BLOB_CSID muss als ganzzahliger Wert und nicht als Zeichenfolge angegeben werden, und der Wert kann mit der Funktion NLS_CHARSET_ID ermittelt werden.<\/p>\n\n\n\n<p>Da der Zeichensatz der Originaldaten KO16MSWIN949 ist, wurde 846 durch Ausf\u00fchren des Folgenden best\u00e4tigt.<\/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>\u00dcberpr\u00fcfen Sie BLOB_CSID mit der Funktion NLS_CHARSET_ID<\/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>Und Sie k\u00f6nnen eine Tabelle mit der obigen Funktion erstellen oder abfragen.<\/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>Sie k\u00f6nnen wie folgt \u00fcberpr\u00fcfen, ob Hangul normal konvertiert wurde.<\/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>\u00dcberpr\u00fcfen Sie das Konvertierungsergebnis f\u00fcr CLOB Koreanisch<\/figcaption><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<p>Bisher haben wir uns angesehen, wie man den Typ CLOB inklusive koreanischer Zeichen in der US7ASCII-Zeichensatz-DB nach AL32UTF8 konvertiert.<\/p>\n\n\n\n<p>Es sieht etwas kompliziert aus, da es durch mehrere Prozesse konvertiert wird, aber es ist nicht schwierig, wenn Sie es Schritt f\u00fcr Schritt betrachten.<\/p>\n\n\n\n<p>Bis zu diesem Artikel ist die Serie \u00fcber die Oracle-Zeichensatzkonvertierung abgeschlossen.<\/p>\n\n\n\n<p>Ich hoffe, ich kann jemandem helfen, der es braucht.<\/p>","protected":false},"excerpt":{"rendered":"<p>Werfen wir einen Blick auf die koreanische Konvertierungsmethode vom Typ CLOB. In der US7ASCII-Zeichensatz-DB k\u00f6nnen Sie \u00fcberpr\u00fcfen, wie der CLOB-Typ einschlie\u00dflich Hangul in AL32UTF8 und das Konvertierungsergebnis konvertiert wird. Dies ist eine Fortsetzung des vorherigen Artikels. Oracle-Zeichensatzkonvertierung(9): 6. Benutzerimplementierung Zeichensatzkonvertierungsmethode(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":[263,242,248,249,254,255,259,260],"class_list":["post-11974","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle","tag-dbms_lob","tag-oracle","tag-character-set-","tag-character-set-conversion","tag-us7ascii","tag-ko16mswin949","tag-al32utf8","tag-db-link"],"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\/de\/oracle-character-set-migration-10-convert-clob\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\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. 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