{"id":243,"date":"2014-09-16T13:24:35","date_gmt":"2014-09-16T04:24:35","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=243"},"modified":"2018-06-27T16:46:43","modified_gmt":"2018-06-27T07:46:43","slug":"merge%e6%96%87","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=243","title":{"rendered":"MERGE\u6587"},"content":{"rendered":"

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

\"IMG_0409\"<\/a><\/p>\n

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<\/a>\u30b7\u30b9\u30c6\u30e0\u306e\u7d0d\u54c1\u306e\u5bfe\u5fdc\u3067\u3001\u3053\u30531\u30f6\u6708\u3001\u7cbe\u795e\u7684\u306b\u3082\u8089\u4f53\u7684\u306b\u3082\u304b\u306a\u308a\u5fd9\u3057\u304f\u3066\u5927\u5909\u306a\u72b6\u614b\u3067\u3057\u305f\u3002\u53d7\u8a17\u958b\u767a\u306f\u3001\u9014\u4e2d\u3067\u5909\u66f4\u3084\u5185\u5bb9\u304c\u81a8\u3089\u3093\u3067\u3001\u4e88\u5b9a\u901a\u308a\u306b\u9032\u3081\u308b\u306e\u304c\u96e3\u3057\u304f\u3001\u672c\u5f53\u306b\u7d0d\u671f\u306b\u9593\u306b\u5408\u3046\u306e\u304b\uff1f\u3068\u51b7\u3084\u6c57\u3092\u3044\u3064\u3082\u304b\u304f\u3053\u3068\u304c\u591a\u3044\u3068\u601d\u3046\u306e\u306f\u79c1\u3060\u3051\u3067\u3057\u3087\u3046\u304b\uff1f
\u305d\u3053\u306e\u30b9\u30b3\u30fc\u30d7\u306e\u7ba1\u7406\u3092\u5982\u4f55\u306b\u304a\u5ba2\u69d8\u3068\u306e\u9593\u3067\u304d\u3061\u3093\u3068\u884c\u3046\u306e\u304b\u304c\u3068\u3066\u3082\u91cd\u8981\u3067\u3042\u308b\u3053\u3068\u306f\u3044\u3064\u3082\u601d\u3063\u3066\u3044\u308b\u306e\u3067\u3059\u304c\u3002\u3002\u3002
\u5fc5\u6b7b\u306b\u306a\u3063\u3066\u3068\u304d\u306b\u6b8b\u696d\u3082\u60dc\u3057\u307e\u305a\u3001\u9811\u5f35\u308b\u306e\u3067\u3059\u304c\u3001\u306a\u305c\u305d\u3046\u306a\u3063\u3066\u3044\u308b\u306e\u304b\u4e8b\u60c5\u304c\u308f\u304b\u308a\u306b\u304f\u3044\u5206\u91ce\u3067\u3082\u3042\u308a\u3001\u610f\u5916\u306b\u5468\u308a\u306e\u76ee\u306f\u51b7\u305f\u304b\u3063\u305f\u308a\u3057\u3066\uff0e\uff0e\uff0e\u30c8\u30db\u30db\u3002
\u3067\u3082\u3001\u554f\u984c\u3092\u4e00\u3064\u4e00\u3064\u89e3\u6c7a\u3057\u3066\u3044\u304d\u3001\u7d0d\u671f\u304c\u898b\u3048\u3066\u304d\u305f\u3068\u304d\u306e\u9054\u6210\u611f\u3082\u3001\u6211\u3005\u3057\u304b\u5473\u308f\u3048\u306a\u3044\u3082\u306e\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u306d\u3002\u3068\u3044\u3063\u3066\u3082\u3001\u6700\u5f8c\u306e\u691c\u53ce\u304c\u4e0a\u304c\u308b\u307e\u3067\u306f\u4f55\u304c\u3042\u308b\u304b\u308f\u304b\u3089\u306a\u3044\u306e\u3067\u3001\u307e\u3060\u7dca\u5f35\u304c\u89e3\u3051\u306a\u3044\u3053\u306e\u9803\u3067\u3059\u3002<\/p>\n

\u5fc3\u306e\u4f59\u88d5\u304c\u51fa\u3066\u304d\u305f\u3068\u3053\u308d\u3067\u3001\u307e\u305f\u30d6\u30ed\u30b0\u518d\u958b\u3057\u307e\u3059\u3002<\/p>\n

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
MERGE\u6587<\/strong><\/p>\n

\u3042\u308b\u62bd\u51fa\u7d50\u679c\u306e\u60c5\u5831\u3092\u6307\u5b9a\u306e\u30c6\u30fc\u30d6\u30eb\u306b\u767b\u9332\u3057\u305f\u3044\u3051\u308c\u3069\u3001\u65e2\u306b\u305d\u306e\u30c7\u30fc\u30bf\uff08\u30ad\u30fc\u60c5\u5831\u304c\u540c\u3058\u30c7\u30fc\u30bf\uff09\u304c\u767b\u9332\u3057\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u306b\u5b58\u5728\u3057\u3066\u3044\u305f\u3089\u3001\u5024\u306e\u9055\u3046\u90e8\u5206\u3092\u66f4\u65b0\u3057\u3001\u307e\u3060\u5b58\u5728\u3057\u3066\u3044\u306a\u3051\u308c\u3070\u767b\u9332\u3059\u308b\u3001\u3068\u3044\u3046\u3088\u3046\u306a\u8981\u4ef6\u306b\u51fa\u304f\u308f\u3059\u3068\u304d\u304c\u6642\u6298\u3042\u308a\u307e\u3059\u3002<\/p>\n

\u3053\u306e\u3068\u304d\u3001\u30c7\u30fc\u30bf\u304c\u65e2\u306b\u5b58\u5728\u3057\u3066\u3044\u308b\u304b\u3069\u3046\u304b\u3092\u78ba\u8a8d\u3057\u3066\u3001IF\u6587\u3067UPDATE\u3001INSERT\u3092\u5207\u308a\u5206\u3051\u308b\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u7d50\u69cb\u9762\u5012\u3067\u3059\u304c\u3001\u3053\u308c\u3092\u4e00\u5ea6\u306eSQL\u3067\u5b9f\u884c\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u304c\u3001MERGE\u6587\u3067\u3059\u3002<\/p>\n

\u7c21\u5358\u306a\u4f8b\u3068\u3057\u3066\u3001\u540c\u4e00\u69cb\u9020\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u5143\u30c7\u30fc\u30bf\u3068\u3057\u3066\u3001\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u3001\u306a\u3051\u308c\u3070\u767b\u9332\u3059\u308b\u5834\u5408\u306f\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n

\u5143\u30c7\u30fc\u30bf\u3092\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21\u3001\u767b\u9332\u30fb\u66f4\u65b0\u3057\u305f\u3044\u30c6\u30fc\u30d6\u30eb\u3092\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22\u3068\u3057\u307e\u3059\u3002<\/p>\n

CREATE TABLE \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21(
\u5546\u54c1CD VARCHAR2(10)
, \u5546\u54c1\u540d VARCHAR2(20)
, CONSTRAINT PK_\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21 PRIMARY KEY (\u5546\u54c1CD));<\/p>\n

CREATE TABLE \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22(
\u5546\u54c1CD VARCHAR2(10)
, \u5546\u54c1\u540d VARCHAR2(20)
, CONSTRAINT PK_\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22 PRIMARY KEY (\u5546\u54c1CD));<\/p>\n

\u30c7\u30fc\u30bf\u304c\u305d\u308c\u305e\u308c\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u5408\uff1a<\/p>\n

SELECT * FROM \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21;
\"merge_a\"<\/a><\/p>\n

SELECT * FROM \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22;
\"merge_b\"<\/a><\/p>\n

\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21\u306e\u30c7\u30fc\u30bf\u3092\u5143\u306b\u3001\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22\u306b\u65e2\u306b\u5546\u54c1CD\u304c\u5b58\u5728\u3059\u308b\u30c7\u30fc\u30bf\u306f\u3001\u5546\u54c1\u540d\u3092\u5909\u66f4\u3057\u3001\u5546\u54c1CD\u304c\u5b58\u5728\u3057\u306a\u3044\u3082\u306e\u306f\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22\u306b\u30c7\u30fc\u30bf\u3092\u767b\u9332\u3059\u308b\u5834\u5408\u306b\u4ee5\u4e0b\u306eMERGE\u6587\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

MERGE INTO \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22
USING \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21
ON (\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21.\u5546\u54c1CD = \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22.\u5546\u54c1CD)
WHEN MATCHED THEN
UPDATE SET
\u5546\u54c1\u540d = \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21.\u5546\u54c1\u540d
WHEN NOT MATCHED THEN
INSERT (\u5546\u54c1CD, \u5546\u54c1\u540d)
VALUES (\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21.\u5546\u54c1CD, \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21.\u5546\u54c1\u540d)
;<\/p>\n

\u4e0a\u8a18\u3092\u5b9f\u884c\u3057\u305f\u5f8c\u306b\u3001\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001<\/p>\n

SELECT * FROM \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22;
\"merge_b_2\"<\/a><\/p>\n

\u5546\u54c1CD\uff1a00001 \u306b\u3064\u3044\u3066\u306f\u3001\u5546\u54c1\u540d\u306e\u307f\u66f4\u65b0\u3057\u3001\u306f\u3058\u3081\u306f\u5b58\u5728\u3057\u3066\u3044\u306a\u304b\u3063\u305f\u5546\u54c1CD\uff1a00002 \u306e\u30c7\u30fc\u30bf\u304c\u8ffd\u52a0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002\uff08Oracle\u3067\u691c\u8a3c\uff09<\/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 \u672c\u5f53\u306b\u4e45\u3057\u3076\u308a\u306e\u30a2\u30c3\u30d7\u306b\u306a\u308a\u307e\u3059\u3002 \u30b7\u30b9\u30c6\u30e0\u306e\u7d0d\u54c1\u306e\u5bfe\u5fdc\u3067\u3001\u3053\u30531\u30f6\u6708\u3001\u7cbe\u795e\u7684\u306b\u3082\u8089\u4f53\u7684\u306b\u3082\u304b\u306a\u308a\u5fd9\u3057\u304f\u3066\u5927\u5909\u306a\u72b6\u614b\u3067\u3057\u305f\u3002\u53d7\u8a17\u958b\u767a\u306f\u3001\u9014\u4e2d\u3067\u5909\u66f4\u3084\u5185\u5bb9\u304c\u81a8\u3089\u3093\u3067\u3001\u4e88\u5b9a\u901a\u308a\u306b\u9032\u3081\u308b\u306e\u304c\u96e3 […]<\/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":[20],"tags":[],"class_list":["post-243","post","type-post","status-publish","format-standard","hentry","category-merge"],"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\/243","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=243"}],"version-history":[{"count":9,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions"}],"predecessor-version":[{"id":1982,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/243\/revisions\/1982"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=243"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}