{"id":33,"date":"2014-03-19T17:14:57","date_gmt":"2014-03-19T08:14:57","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=33"},"modified":"2018-06-27T16:52:32","modified_gmt":"2018-06-27T07:52:32","slug":"itc%e3%82%b7%e3%83%a5%e3%82%a6%e3%81%a1%e3%82%83%e3%82%93%e3%83%96%e3%83%ad%e3%82%b0%e5%a7%8b%e3%82%81%e3%81%be%e3%81%97%e3%81%9f","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=33","title":{"rendered":"\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u5f8c\u306e\u5b9a\u7fa9\u5909\u66f4\u306eSQL"},"content":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002 \"\u7a7a_1\"<\/a><\/p>\n

\u307d\u304b\u307d\u304b\u5929\u6c17\u3001\u3042\u3063\u305f\u304b\u305d\u3046\u3067\u3057\u3087\uff01<\/p>\n

\u00a0 \uff1c\u81ea\u5df1\u7d39\u4ecb\uff1e<\/strong><\/p>\n

10\u5e74\u524d\u3001\u300c\uff29\uff34\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306f\u3001\u771f\u306b\u7d4c\u55b6\u306b\u5f79\u7acb\u3064\uff29\uff34\u5229\u6d3b\u7528\u306b\u5411\u3051\u3001\u7d4c\u55b6\u8005\u306e\u7acb\u5834\u306b\u7acb\u3063\u305f\u52a9\u8a00\u30fb\u652f\u63f4\u3092\u884c\u3044\u3001\uff29\uff34\u7d4c\u55b6\u3092\u5b9f\u73fe\u3059\u308b\u4eba\u6750\u3067\u3059\u3002\u300d\u3068\u3044\u3046\u7d39\u4ecb\u306b\u3042\u308b\u3088\u3046\u306a\u4eba\u6750\u3068\u306a\u308b\u3079\u304f\u3001\u9ad8\u984d\u306e\u30bb\u30df\u30ca\u30fc\u306b\u53c2\u52a0\u3057\uff08\u305f\u3060\u3057\u4f1a\u793e\u306b\u51fa\u3057\u3066\u3082\u3089\u3063\u305f\u306e\u3060\u3051\u3069\uff09\u3001\u5fc5\u6b7b\u306b\u306a\u3063\u3066\u65b0\u3057\u3044\u3053\u3068\u3092\u52c9\u5f37\u3057\u305f\u65e5\u3005\u3002\u3002\u3002
ITC\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\uff1ahttp:\/\/www.itc.or.jp<\/p>\n

<\/a><\/em> \u3051\u308c\u3069\u3082\u3001\u305a\u3063\u3068\u59d4\u8a17\u696d\u52d9\u3067\u4ed6\u306e\u4f1a\u793e\u306b\u5e38\u99d0\u3057\u3066\u306e\u4ed5\u4e8b\u3060\u3063\u305f\u305f\u3081\u3001IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u3092\u524d\u9762\u306b\u51fa\u3059\u3088\u3046\u306a\u4ed5\u4e8b\u306f\u4e00\u5207\u306a\u304f\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u306e\u62bd\u51fa\u30fb\u5206\u6790\u306a\u3069\u306e\u4ed5\u4e8b\u3092\u3059\u308b\u6bce\u65e5\u3067\u3057\u305f\u3002 \u305f\u3060\u3001\u8cc7\u683c\u3092\u7d99\u7d9a\u3059\u308b\u306e\u3082\u5b9f\u306f\u5927\u5909\u306a\u3093\u3067\u3059\u306d\u3002<\/p>\n

\u904e\u53bb3\u5e74\u9593\u306730\u30dd\u30a4\u30f3\u30c8\u3092\u53d6\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u7d99\u7d9a\u306e\u6761\u4ef6\u3067\u3059\u304c\u3001\u30bb\u30df\u30ca\u30fc\u4ee3\u91d1\u3084\u8cc7\u683c\u66f4\u65b0\u6599\u306a\u3069\u3001\u7d4c\u8cbb\u3082\u304b\u304b\u3063\u3061\u3083\u3044\u307e\u3059\u3002<\/p>\n

\u00a0 \u81ea\u5df1\u7d39\u4ecb\u306f\u3053\u308c\u304f\u3089\u3044\u306b\u3057\u3066\u30fb\u30fb\u30fb<\/p>\n

\"it-coordinator\u2460-1\"<\/p>\n

\u305b\u3063\u304b\u304f\u306a\u306e\u3067\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a\u3068\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u306e\u30c7\u30fc\u30bf\u306e\u62bd\u51fa\u30fb\u5206\u6790\u306a\u3069\u306e\u4ed5\u4e8b\u3067\u5b66\u3093\u3060\u5185\u5bb9\u3092\u3001\u5c11\u3057\u6574\u7406\u3057\u3088\u3046\u3068\u601d\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
<\/strong> \u3010\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u5f8c\u306e\u5b9a\u7fa9\u5909\u66f4\u306eSQL\u3011<\/p>\n

<\/strong> \u4ed5\u4e8b\u306b\u3088\u3063\u3066Oracle\u3001SQL Server\u3092\u4f7f\u3046\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u304c\u3001\u30c6\u30fc\u30d6\u30eb\u4f5c\u6210\u5f8c\u306e\u5b9a\u7fa9\u5909\u66f4\u306e\u4ed5\u65b9\u304c\u3001Oracle\u3068SQL Server\u306a\u3069RDB\u306b\u3088\u3063\u3066\u5fae\u5999\u306b\u7570\u306a\u308b\u305f\u3081\u3001\u3068\u304d\u306b\u3059\u3050\u306b\u601d\u3044\u51fa\u305b\u306a\u304f\u3066\u56f0\u3063\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002
\u305d\u308c\u3067\u3001\u3061\u3087\u3063\u3068\u899a\u66f8\u306e\u610f\u5473\u3082\u3042\u308f\u305b\u3066\u307e\u3068\u3081\u3066\u307f\u307e\u3059\u3002<\/p>\n

\u3010\u9805\u76ee\u306e\u8ffd\u52a0\u3011
<\/strong>Oracle\uff1a
ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d \u00a0ADD (\u5217\u540d \u5217\u5b9a\u7fa9);
SQL Server\uff1a
ALTER\u00a0 TABLE \u30c6\u30fc\u30d6\u30eb\u540d\u00a0 ADD\u00a0 \u5217\u540d \u5217\u5b9a\u7fa9;<\/p>\n

\u4f8b\uff09\u8ffd\u52a0\u3059\u308b\u9805\u76ee\u304c\u8907\u6570\u306e\u5834\u5408
Oracle\uff1a
ALTER\u00a0 TABLE \u00a0\u793e\u54e1\u30de\u30b9\u30bf\u00a0 ADD (\u6027\u5225 VARCHAR2(4), \u5099\u8003 VARCHAR2(100)); <\/p>\n

SQL Server\uff1a
ALTER\u00a0 TABLE \u00a0\u793e\u54e1\u30de\u30b9\u30bf\u00a0 ADD\u00a0 \u6027\u5225 VARCHAR(4), \u5099\u8003 VARCHAR(100); <\/p>\n

\u8ffd\u52a0\u3059\u308b\u9805\u76ee\u306bNOT NULL\u5236\u7d04\u3092\u3064\u3051\u3066\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\u3092\u8a2d\u5b9a\u3057\u305f\u3044\u5834\u5408 <\/p>\n

\u4f8b\uff09test_tab\u30c6\u30fc\u30d6\u30eb\u306bcol_a \u3068\u3044\u3046\u6570\u5024\u9805\u76ee\u3092NOT NULL\u5236\u7d04(\u30c7\u30d5\u30a9\u30eb\u30c8\u5024 0)\u3092\u3064\u3051\u308b <\/p>\n

Oracle\uff1a
ALTER\u00a0 TABLE\u00a0 test_tab\u00a0 ADD (col_a\u00a0 NUMBER(4) DEFAULT 0\u00a0 NOT NULL); <\/p>\n

SQL Server\uff1a
ALTER\u00a0 TABLE\u00a0 test_tab\u00a0 ADD\u00a0 col_a\u00a0 INT\u00a0 DEFAULT 0 NOT NULL; <\/p>\n

\u3010\u5217\u5b9a\u7fa9\u306e\u5909\u66f4\u3011
<\/strong>Oracle\uff1a ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d MODIFY (\u5217\u540d \u5217\u5b9a\u7fa9); SQL Server\uff1a ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d ALTER COLUMN\u00a0 \u5217\u540d \u5217\u5b9a\u7fa9; <\/p>\n

\u4f8b\uff09\u6587\u5b57\u9805\u76ee\u306e\u6841\u6570\u3092\u5897\u3084\u3059\u5834\u5408\uff08\u793e\u54e1\u540d\u309240\u30d0\u30a4\u30c8\u304b\u308950\u30d0\u30a4\u30c8\u306b\u5909\u66f4\uff09
Oracle\uff1a
ALTER TABLE \u793e\u54e1\u30de\u30b9\u30bf MODIFY (\u793e\u54e1\u540d VARCHAR2(50)); <\/p>\n

SQL Server\uff1a
ALTER\u00a0TABLE\u00a0 \u793e\u54e1\u30de\u30b9\u30bf\u00a0 ALTER\u00a0 COLUMN\u00a0 \u793e\u54e1\u540d VARCHAR(50); <\/p>\n

\u3010\u9805\u76ee\u306e\u524a\u9664\u3011
<\/strong>Oracle\uff1a ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d DROP (\u5217\u540d);
SQL Server\uff1a ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d DROP COLUMN \u5217\u540d; <\/p>\n

\u4f8b\uff09\u793e\u54e1\u30de\u30b9\u30bf\u306b\u300c\u6027\u5225\u300d\u300c\u5099\u8003\u300d\u306e\u524a\u9664
Oracle\uff1a ALTER\u00a0 TABLE\u00a0 \u793e\u54e1\u30de\u30b9\u30bf\u00a0 DROP (\u6027\u5225, \u5099\u8003);
SQL Server\uff1a ALTER\u00a0 TABLE \u793e\u54e1\u30de\u30b9\u30bf\u00a0 DROP\u00a0 COLUMN\u00a0 \u6027\u5225, \u5099\u8003; <\/p>\n

\u3010\u9805\u76ee\u540d\u306e\u5909\u66f4\u3011<\/strong>
Oracle\uff1a
ALTER\u00a0 TABLE\u00a0 \u30c6\u30fc\u30d6\u30eb\u540d RENAME COLUMN\u00a0 \u5217\u540d TO\u00a0 \u65b0\u5217\u540d; <\/p>\n

SQL Server\uff1a
sp_rename @objname=’\u30c6\u30fc\u30d6\u30eb\u540d.\u5143\u9805\u76ee\u540d’, @newname=’\u65b0\u9805\u76ee\u540d’, @objtype=’COLUMN’; <\/p>\n

\u4f8b) \u793e\u54e1\u30de\u30b9\u30bf\u306e\u300c\u5099\u8003\u300d\u3068\u3044\u3046\u9805\u76ee\u540d\u3092\u300c\u5099\u8003\uff11\u300d\u3068\u3044\u3046\u540d\u524d\u306b\u5909\u66f4\u3059\u308b\u3002
Oracle\uff1a
ALTER\u00a0 TABLE\u00a0 \u793e\u54e1\u30de\u30b9\u30bf RENAME COLUMN \u5099\u8003 TO \u5099\u8003\uff11; <\/p>\n

SQL Server\uff1a
sp_rename @objname=’dbo.\u793e\u54e1\u30de\u30b9\u30bf.\u5099\u8003’, @newname=’\u5099\u8003\uff11’, @objtype=’COLUMN’; <\/p>\n

\u203b\u305f\u3060\u3057\u3001SQLServer\u3067\u306fManagement Studio\u306a\u3069\u306eGUI\u30c4\u30fc\u30eb\u3067\u5909\u66f4\u3067\u304d\u307e\u3059\u3057\u3001\u5b9f\u969b\u306e\u904b\u7528\u3067\u306f\u3001\u9805\u76ee\u540d\u306e\u5909\u66f4\u3092\u5f8c\u304b\u3089\u884c\u3046\u3053\u3068\u306f\u3042\u307e\u308a\u306a\u3044\u3068\u306f\u601d\u3044\u307e\u3059\u304c\u3002 <\/p>\n

\u4eca\u65e5\u306f\u4ee5\u4e0a\u307e\u3067<\/p>\n","protected":false},"excerpt":{"rendered":"

IT\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306e\u30b7\u30e5\u30a6\u3067\u3059\u3002 \u307d\u304b\u307d\u304b\u5929\u6c17\u3001\u3042\u3063\u305f\u304b\u305d\u3046\u3067\u3057\u3087\uff01 \u00a0 \uff1c\u81ea\u5df1\u7d39\u4ecb\uff1e 10\u5e74\u524d\u3001\u300c\uff29\uff34\u30b3\u30fc\u30c7\u30a3\u30cd\u30fc\u30bf\u306f\u3001\u771f\u306b\u7d4c\u55b6\u306b\u5f79\u7acb\u3064\uff29\uff34\u5229\u6d3b\u7528\u306b\u5411\u3051\u3001\u7d4c\u55b6\u8005\u306e\u7acb\u5834\u306b\u7acb\u3063\u305f\u52a9\u8a00\u30fb\u652f\u63f4\u3092\u884c\u3044\u3001\uff29\uff34\u7d4c\u55b6\u3092\u5b9f\u73fe\u3059\u308b\u4eba\u6750\u3067\u3059 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"enabled":false},"version":2}},"categories":[4],"tags":[],"class_list":["post-33","post","type-post","status-publish","format-standard","hentry","category-4"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/33","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=33"}],"version-history":[{"count":25,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/33\/revisions"}],"predecessor-version":[{"id":1996,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/33\/revisions\/1996"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=33"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=33"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=33"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}