CONCAT<\/span>\u3068\u4f75\u305b\u3066\u4f7f\u7528\uff09<\/span><\/h3>\n\u5fdc\u7528\u7de8\u3068\u3057\u3066\u7279\u5b9a\u306e\u5834\u6240\u306b\u3042\u308b\u6307\u5b9a\u306e\u6587\u5b57\u3092\u7f6e\u304d\u63db\u3048\u308b\u65b9\u6cd5\u3067\u3059\u3002
\n\u5148\u7a0b\u3082\u8ff0\u3079\u307e\u3057\u305f\u304c\u3001\u4e0d\u7528\u610f\u306bREPLACE\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u601d\u308f\u306c\u7b87\u6240\u3082\u66f8\u304d\u63db\u308f\u3063\u3066\u3057\u307e\u3046\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\u4e00\u5b9a\u306e\u30eb\u30fc\u30eb\u306b\u57fa\u3065\u3044\u3066\u7f6e\u63db\u5bfe\u8c61\u304c\u5b58\u5728\u3059\u308b\u5834\u5408\u3001SUBSTRING\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u65b9\u6cd5\u304c\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002
\n\u4f8b\u3048\u3070\u5148\u7a0b\u306ecustomer_list\u30c6\u30fc\u30d6\u30eb\u306e\u9867\u5ba2ID\u306e\u50246\u301c8\u6587\u5b57\u76ee\u306e\u300c111\u300d\u3092\u300cAAA\u300d\u306b\u7f6e\u63db\u3057\u3066\u307f\u307e\u3059\u3002<\/p>\n
\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb
\n\u4f7f\u7528\u4f8b\uff1a
\ncustomer_list\u30c6\u30fc\u30d6\u30eb\u306ecustomer ID \u306e6\u6587\u5b57\u76ee\u304b\u30898\u6587\u5b57\u76ee\u306e\u300c111\u300d\u3092\u300cAAA\u300d\u306b\u7f6e\u63db\u3057\u305f\u3044
\n\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb\u30fb<\/p>\n
\u5358\u7d14\u306bREPLACE\u3092\u3059\u308b\u3068\u5bfe\u8c61\u5916\u3068\u3057\u305f\u3044\u6587\u5b57\u5217\u3082\u7f6e\u63db\u3055\u308c\u3066\u3057\u307e\u3046\u305f\u3081\u5c11\u3057\u5de5\u592b\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n
ex\uff09\u3000\u682a\u5f0f\u4f1a\u793eXYZ 1111-111-2226\u3000\u2192\u30001111-111-2226\u3000\u5148\u982d\u306e\u300c1111-\u300d\u306f\u7f6e\u63db\u5bfe\u8c61\u5916\u3068\u3057\u305f\u3044<\/p>\n
\u65b9\u6cd5\u306f\u3044\u304f\u3064\u304b\u8003\u3048\u3089\u308c\u307e\u3059\u304c\u3001\u3053\u306e\u4f8b\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u3057\u307e\u3059\u3002<\/p>\n
\u2460 SUBSTRING\u3000\u3092\u4f7f\u7528\u3057\u3066\u5148\u982d\u306e5\u6587\u5b57\u3092\u53d6\u5f97\u3059\u308b\u3000\u2190\u3053\u306e\u90e8\u5206\u306f\u7f6e\u63db\u5bfe\u8c61\u5916
\n\u2461 SUBSTRING\u3000\u3092\u4f7f\u7528\u3057\u30666\u6587\u5b57\u76ee\u304b\u30898\u6587\u5b57\u76ee\u3092\u53d6\u5f97\u3001REPLACE\u3000\u3067\u300c111\u300d\u3092\u300cAAA\u300d\u306b\u7f6e\u63db\u3059\u308b
\n\u2462 SUBSTRING\u3000\u3092\u4f7f\u7528\u3057\u30669\u6587\u5b57\u76ee\u4ee5\u964d\u3092\u53d6\u5f97\u3059\u308b
\n\u2463 CONCAT \u3092\u4f7f\u7528\u3057\u3066\u4e0a\u8a18\u2460\u304b\u3089\u2462\u306e\u6587\u5b57\u5217\u3092\u7d50\u5408\u3059\u308b<\/p>\n
SELECT \r\n customer_name,\r\n CONCAT(\r\nSUBSTRING(customerID, 1, 5) , \r\nREPLACE(SUBSTRING(customerID, 6,3),'111','AAA'),\r\nSUBSTRING(customerID, 9)\r\n) as customerID\r\nFROM customer_list;\r\n<\/pre>\nSELECT\u7d50\u679c
\n+—————–+—————+
\n| customer_name | customerID |
\n+—————–+—————+
\n| AAA\u682a\u5f0f\u4f1a\u793e | 0000-AAA-2222 |
\n| ABC\u682a\u5f0f\u4f1a\u793e | 0000-AAA-2223 |
\n| \u682a\u5f0f\u4f1a\u793eXX | 0000-AAA-2224 |
\n| \u682a\u5f0f\u4f1a\u793eYY | 0000-AAA-2225 |
\n| ZZ\u682a\u5f0f\u4f1a\u793e | 0000-AAA-2225 |
\n| \u682a\u5f0f\u4f1a\u793eXYZ | 1111-AAA-2227 |
\n+—————–+—————+
\n6 rows in set (0.00 sec)<\/p>\n
6\u6587\u5b57\u76ee\u304b\u30898\u6587\u5b57\u76ee\u3092REPLACE\u306e\u5bfe\u8c61\u3068\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u682a\u5f0f\u4f1a\u793eXYZ\u306e\u9867\u5ba2ID\u5148\u982d\u306e\u300c1111-\u300d\u306f\u300cAAA1-\u300d\u306b\u7f6e\u63db\u3055\u308c\u308b\u3053\u3068\u306a\u304f\u300c1111-AAA-2227\u300d\u3068\u3044\u3046\u9867\u5ba2ID\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n
\u3053\u3053\u3067\u306fSUBSTRING\u30fbCONCAT\u306e\u8a73\u7d30\u306f\u8a18\u8f09\u3057\u307e\u305b\u3093\u304c\u3001\u69d8\u3005\u306a\u95a2\u6570\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u610f\u56f3\u3057\u306a\u3044\u7f6e\u63db\u304c\u884c\u308f\u308c\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n
\u203bSUBSTRING\u3000\u306fDBMS\u306b\u3088\u308a\u8868\u8a18\u304c\u7570\u306a\u308a\u307e\u3059\u3002\u8a73\u7d30\u306f\u304a\u4f7f\u3044\u306eDB\u540d\u3067\u691c\u7d22\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
\uff13-\uff14\uff0eUPDATE\u3068\u5408\u308f\u305b\u3066\u4f7f\u7528\u3057\u30c6\u30fc\u30d6\u30eb\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b<\/span><\/h3>\n\u3053\u3053\u307e\u3067\u306eSQL\u3067\u306f\u3042\u304f\u307e\u3067\u3082SELECT\u7d50\u679c\u306b\u5bfe\u3057\u3066\u7f6e\u63db\u3092\u3057\u3066\u3044\u307e\u3059\u306e\u3067DB\u306e\u30c6\u30fc\u30d6\u30eb\u4e0a\u306e\u5024\u306b\u5909\u5316\u306f\u3042\u308a\u307e\u305b\u3093\u3002
\n\u30c6\u30fc\u30d6\u30eb\u306e\u5024\u3092\u66f4\u65b0\u3059\u308b\u306b\u306f\u3001UPDATE\u6587\u3068\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n
\uff14\uff0e\u3055\u3044\u3054\u306b<\/span><\/h2>\nREPLACE\u95a2\u6570\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002
\n\u4ed6\u306b\u3082\u300c\u6f22\u5b57\u3068\u3072\u3089\u304c\u306a\u306e\u8868\u8a18\u63fa\u308c\u7d71\u4e00\u300d\u306a\u3069\u3001REPLACE\u95a2\u6570\u306e\u4f7f\u3044\u3069\u3053\u308d\u306f\u305f\u304f\u3055\u3093\u3042\u308a\u307e\u3059\u304c\u3001\u610f\u56f3\u3057\u306a\u3044\u7f6e\u63db\u304c\u304a\u3053\u306a\u308f\u308c\u306a\u3044\u3088\u3046\u306a\u5de5\u592b\u3082\u5fc5\u8981\u3067\u3059\u3002<\/p>\n
\u6700\u5f8c\u307e\u3067\u304a\u8aad\u307f\u3044\u305f\u3060\u304d\u307e\u3057\u3066\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3057\u305f\u3002<\/p>\n
\u3010\u52d5\u4f5c\u691c\u8a3cDB\u3011
\nmySQL 8.0.39<\/p>\n","protected":false},"excerpt":{"rendered":"
REPLACE\u3092\u4f7f\u3046\u3068\u5358\u8a9e\u306e\u610f\u5473\u304b\u3089\u5bdf\u3059\u308b\u3068\u304a\u308a\u300c\u7f6e\u304d\u63db\u3048\u300d\u304c\u3067\u304d\u308b\u95a2\u6570\u3067\u3059\u3002 \u3064\u307e\u308a\u6587\u5b57\u5217\u306e\u4e2d\u304b\u3089\u300c\u6307\u5b9a\u3057\u305f\u6587\u5b57\u300d\u3092\u300c\u5225\u306e\u6587\u5b57\u300d\u306b\u7f6e\u63db\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u4f8b\u3048\u3070\u300cSQL University\u300d\u306e\u300cuniversity […]<\/p>\n","protected":false},"author":28,"featured_media":5401,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[17],"acf":[],"_links":{"self":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/5474"}],"collection":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/comments?post=5474"}],"version-history":[{"count":8,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/5474\/revisions"}],"predecessor-version":[{"id":6278,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/posts\/5474\/revisions\/6278"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media\/5401"}],"wp:attachment":[{"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/media?parent=5474"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bold.ne.jp\/engineer-club\/wp-json\/wp\/v2\/categories?post=5474"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![\"REPLACE\"](\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2024\/12\/\u753b\u50cf1.jpg\")
<\/a><\/p>\n![\"REPLACE2\"](\"https:\/\/www.bold.ne.jp\/engineer-club\/wp-content\/uploads\/2024\/12\/\u753b\u50cf2.png\")
<\/a><\/p>\n