Oracle\u21d2PostgreSQL\u79fb\u884c\u3092\u8907\u6570\u4ef6\u624b\u304c\u3051\u3066\u304d\u305f\u4e8b\u4f8b\u306e\u4e2d\u3067\u3001\u3088\u304f\u76f8\u8ac7\u3055\u308c\u308b\u3001\u8ab2\u984c\u3068\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u3068\u305d\u306e\u5bfe\u5fdc\u65b9\u91dd\u3092\u7d39\u4ecb\u3057\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u79fb\u884c\u306e\u4e2d\u3067\u3088\u304f\u8ab2\u984c\u3068\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3057\u305f\u3002
\u2460\u30a2\u30bb\u30b9\u30e1\u30f3\u30c8
\u2461SQL\u3084\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5909\u63db
\u2462\u52d5\u4f5c\/\u6027\u80fd\u8a55\u4fa1<\/p>\n\n\n\n
\u305d\u308c\u305e\u308c\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u3064\u3044\u3066\u5b66\u3093\u3060\u3053\u3068\u3092\u672c\u30ec\u30dd\u30fc\u30c8\u3067\u306f\u5171\u6709\u3057\u307e\u3059\u3002<\/p>\n\n\n\n
\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u30a2\u30bb\u30b9\u30e1\u30f3\u30c8\u306f\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u304a\u3044\u3066\u91cd\u8981\u3067\u3001\u4e3b\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30a2\u30af\u30b7\u30e7\u30f3\u3092\u884c\u3044\u307e\u3059\u3002
\u30fbPostgreSQL\u3067\u6b21\u671f\u74b0\u5883\u306b\u6c42\u3081\u3089\u308c\u308b\u8981\u4ef6\u304c\u6e80\u305f\u305b\u308b\u304b\u3069\u3046\u304b\u306e\u78ba\u8a8d
\u30fbDDL\u3084SQL\u3092\u5206\u6790\u3057\u3001\u975e\u4e92\u63db\u7b87\u6240\u3068\u79fb\u884c\u96e3\u6613\u5ea6\u3092\u8abf\u67fb
\u30fb\u6027\u80fd\u8981\u4ef6\u306e\u62c5\u4fdd\u306e\u305f\u3081\u306bPoC\uff08\u6982\u5ff5\u5b9f\u8a3c\uff09\u3092\u5b9f\u65bd<\/p>\n\n\n\n
\u4f8b\u3048\u3070\u3001\u975e\u4e92\u63db\u7b87\u6240\u30fb\u4ee3\u66ff\u6a5f\u80fd\u8abf\u67fb\u3067\u306f\u3001Oracle RAC\u306e\u9ad8\u53ef\u7528\u6027\u6a5f\u80fd\u306fPostgreSQL\u306e\u30b9\u30c8\u30ea\u30fc\u30df\u30f3\u30b0\u30ec\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u4ee3\u66ff\u53ef\u80fd\u3060\u304c\u3001\u4e2d\u65ad\u3055\u308c\u305f\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u3092\u5225\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3067\u518d\u958b\u3059\u308b\u6a5f\u80fd\u306a\u3069OracleRAC\u7279\u6709\u306e\u6a5f\u80fd\u306f\u5236\u9650\u4e8b\u9805\u3068\u306a\u308b\u3053\u3068\u306a\u3069\u306f\u5224\u65ad\u6750\u6599\u3068\u3057\u3066\u8abf\u3079\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u6027\u80fd\u8981\u4ef6\u306e\u89b3\u70b9\u3067\u306f\u3001\u79fb\u884c\u5143\u3067SQL\u3092\u5b9f\u65bd\u3057\u305f\u3068\u304d\u3088\u308a\u3082\u51e6\u7406\u6642\u9593\u304c\u9577\u304f\u306a\u308a\u6027\u80fd\u304c\u52a3\u5316\u3057\u3066\u3044\u306a\u3044\u304b\u3001\u5909\u63db\u3057\u305fSQL\u3067\u671f\u5f85\u3059\u308b\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u304b\u7b49\u306e\u89b3\u70b9\u3067PoC\u3092\u884c\u3044\u307e\u3059\u3002<\/p>\n\n\n\n
\u975e\u4e92\u63db\u7b87\u6240\u3084\u4ee3\u66ff\u6a5f\u80fd\u306e\u8abf\u67fb\u306a\u3069\u3001\u6027\u80fd\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u7b49\u3092\u7dcf\u5408\u7684\u306b\u8a55\u4fa1\u3057\u3001\u6b21\u671f\u74b0\u5883\u306e\u8a2d\u8a08\u30fb\u69cb\u7bc9\u306b\u5165\u308b\u524d\u306b\u3001PostgreSQL\u306b\u79fb\u884c\u3059\u308b\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
Oracle \u21d2PostgreSQL\u306eSQL\u5909\u63db\u306e\u969b\u306b\u3088\u304f\u3042\u308b\u8ab2\u984c\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u30fbOracle\u306b\u306a\u3044\u30c7\u30fc\u30bf\u578b\u3001\u95a2\u6570\u3001\u6587\u6cd5\u306e\u7f6e\u304d\u63db\u3048
\u21d2Ora2Pg\u3084AWS SCT\u306a\u3069\u306e\u81ea\u52d5\u5909\u63db\u30c4\u30fc\u30eb\u306f\u6709\u52b9\u3067\u3059\u304c\u3001\u4ed5\u69d8\u3084\u6319\u52d5\u304c\u7570\u306a\u308b\u30b1\u30fc\u30b9\uff08\u4f8b: DATE\u578b\u3001Null\u3068\u7a7a\u6587\u5b57\u306e\u6271\u3044\u3001SUBSTR\/LENGTH\u306e\u9055\u3044\uff09\u306b\u6ce8\u610f\u3057\u3001\u624b\u52d5\u8abf\u6574\u30fb\u78ba\u8a8d\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
\u52d5\u7684SQL\u306f\u81ea\u52d5\u5909\u63db\u30c4\u30fc\u30eb\u3067\u306f\u5bfe\u5fdc\u3067\u304d\u306a\u3044\u305f\u3081\u3001\u624b\u52d5\u62bd\u51fa\u304c\u5fc5\u8981\u3068\u3044\u3046\u6ce8\u610f\u70b9\u3082\u3042\u308a\u307e\u3057\u305f\u3002
\u624b\u52d5\u3067\u62bd\u51fa\u3059\u308b\u5834\u5408\u3001\u624b\u9593\u304c\u304b\u304b\u308b\u5272\u306b\u7db2\u7f85\u6027\u306b\u4e0d\u5b89\u304c\u6b8b\u308b\u3068\u3044\u3063\u305f\u3053\u3068\u3082\u3042\u308b\u3068\u601d\u3044\u307e\u3059\u304c\u3001Insight SQL Testing \u3092\u5229\u7528\u3059\u308c\u3070\u3001\u79fb\u884c\u5143\u74b0\u5883\u3067\u5b9f\u969b\u306b\u5b9f\u884c\u3055\u308c\u3066\u3044\u308bSQL\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n
\u30fbPL\/SQL\uff08\u30b9\u30c8\u30a2\u30c9\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\uff09\u5909\u63db
\u21d2Oracle\u304c\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30d1\u30c3\u30b1\u30fc\u30b8(DBMS_xx\u3001UTL_xx)\u3082\u30e6\u30fc\u30b6\u5b9a\u7fa9\u95a2\u6570\u306a\u3069\u72ec\u81ea\u306b\u7528\u610f\u3057\u306a\u304a\u3059\u5fc5\u8981\u304c\u3042\u3063\u305f\u308a\u3001\u30d7\u30ed\u30b7\u30fc\u30b8\u30e3\u5185\u306eCOMMIT\u3001ROLLBACK\u306f\u4ed5\u69d8\u304c\u7570\u306a\u3063\u305f\u308a\u3001\u57fa\u672c\u7684\u306b\u4eba\u624b\u3068\u5de5\u6570\u3092\u304b\u3051\u3066\u624b\u52d5\u5909\u63db\u3059\u308b\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3084\u30aa\u30d7\u30c6\u30a3\u30de\u30a4\u30b6\u3001\u51e6\u7406\u7279\u6027\u306e\u9055\u3044\u306b\u3088\u308a\u3001\u4e00\u90e8SQL\u3067\u6027\u80fd\u52a3\u5316\u306e\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u5358\u767aSQL\u3067\u306f\u898b\u3064\u3051\u3089\u308c\u306a\u3044\u4e0d\u5177\u5408\u3084\u3001\u79fb\u884c\u5143\u306b\u8fd1\u3044\u8ca0\u8377\u72b6\u6cc1\u3067\u306e\u6027\u80fd\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u306f\u3001\u5b9f\u884c\u8a08\u753b\u3082\u898b\u305b\u3066\u3044\u305f\u3060\u304d\u306a\u304c\u3089\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5177\u4f53\u7684\u306a\u4e8b\u4f8b\u3068\u89e3\u6c7a\u30dd\u30a4\u30f3\u30c8\u3092\u6559\u3048\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n
\u5177\u4f53\u7684\u306a\u6027\u80fd\u52a3\u5316\u30b1\u30fc\u30b9:
\u30fbLIKE\u524d\u65b9\u4e00\u81f4\u3067\u306e\u7d22\u5f15\u4e0d\u4f7f\u7528
\u21d2PostgreSQL\u306e\u30ed\u30b1\u30fc\u30eb\u3092C\u306b\u3057\u3066\u89e3\u6c7a<\/p>\n\n\n\n
\u30fbSCT\u3067\u79fb\u884c\u3057\u305fSQL\u3067\u306e\u7d22\u5f15\u4e0d\u4f7f\u7528
\u21d2\u81ea\u52d5\u5909\u63db\u5f8c\u306eSQL\u3067\u4f7f\u308f\u308c\u3066\u3044\u305f\u95a2\u6570 aws_oracle_ext \u3092\u4f7f\u7528\u3057\u306a\u3044\u3053\u3068\u3067\u89e3\u6c7a<\/p>\n\n\n\n
\u30fb\u526f\u554f\u3044\u5408\u308f\u305b(\u30b5\u30d6\u30af\u30a8\u30ea\u306e\u4e2d\u3067\u6642\u9593\u304c\u304b\u304b\u308b)
\u21d2LATERAL\u53e5\u3092\u4f7f\u3063\u3066\u51e6\u7406\u3092\u52b9\u7387\u5316\u3057\u89e3\u6c7a<\/p>\n\n\n\n
Oracle \u21d2 PostgreSQL \u79fb\u884c\u306e\u8907\u6570\u4e8b\u4f8b\u3092\u3082\u3068\u306b\u3057\u305f\u30ea\u30a2\u30eb\u306a\u8ab2\u984c\u304c\u307e\u3068\u307e\u3063\u3066\u3044\u3066\u3001\u3068\u3066\u3082\u52c9\u5f37\u306b\u306a\u308a\u307e\u3057\u305f\u3002\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u6559\u3048\u3066\u3044\u305f\u3060\u3044\u305f\u3088\u3046\u306a\u30dd\u30a4\u30f3\u30c8\u3092\u3082\u3068\u306b\u8abf\u67fb\u30fb\u691c\u8a3c\u3092\u884c\u3044\u3001\u4e8b\u524d\u306b\u8ab2\u984c\u3068\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u3067\u3001\u5186\u6ed1\u306b\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u304c\u9032\u3081\u3089\u308c\u305d\u3046\u3060\u3068\u601d\u3044\u307e\u3057\u305f\u3002
\u4eca\u56de\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u3067\u5b66\u3093\u3060\u30dd\u30a4\u30f3\u30c8\u3084\u3001\u30c1\u30e5\u30fc\u30cb\u30f3\u30b0\u306e\u4ed5\u65b9\u306a\u3069\u306f\u3001\u4eca\u5f8c\u7570\u7a2eDB\u3078\u306e\u79fb\u884c\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6d3b\u304b\u305b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u306f\u3058\u3081\u306b Oracle\u21d2PostgreSQL\u79fb\u884c\u3092\u8907\u6570\u4ef6\u624b\u304c\u3051\u3066\u304d\u305f\u4e8b\u4f8b\u306e\u4e2d\u3067\u3001\u3088\u304f\u76f8\u8ac7\u3055\u308c\u308b\u3001\u8ab2\u984c\u3068\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u3068\u305d\u306e\u5bfe\u5fdc\u65b9\u91dd\u3092\u7d39\u4ecb\u3057\u3066\u3044\u305f\u3060\u304d\u307e\u3057\u305f\u3002 \u79fb\u884c\u306e\u4e2d\u3067\u3088\u304f\u8ab2\u984c\u3068\u306a\u308b\u30dd\u30a4\u30f3\u30c8\u306f\u4ee5\u4e0b\u306e3\u3064\u3067\u3057\u305f\u3002\u2460\u30a2\u30bb\u30b9\u30e1\u30f3 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19,13,15],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/posts\/431"}],"collection":[{"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/comments?post=431"}],"version-history":[{"count":3,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/posts\/431\/revisions"}],"predecessor-version":[{"id":436,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/posts\/431\/revisions\/436"}],"wp:attachment":[{"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/media?parent=431"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/categories?post=431"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.db-tech-showcase.com\/blog\/wp-json\/wp\/v2\/tags?post=431"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}