{"id":256,"date":"2014-09-18T19:33:26","date_gmt":"2014-09-18T10:33:26","guid":{"rendered":"http:\/\/www.dbsheetclient.jp\/blog\/?p=256"},"modified":"2018-06-27T16:46:13","modified_gmt":"2018-06-27T07:46:13","slug":"merge%e6%96%87%ef%bc%882%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.dbsheetclient.jp\/blog\/?p=256","title":{"rendered":"MERGE\u6587\uff082\uff09"},"content":{"rendered":"

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

\"1395797133260_2\"<\/a><\/p>\n

\u524d\u56de\u306e\u984c\u6750\u306b\u4e0a\u3052\u305fMERGE\u6587\u306b\u3064\u3044\u3066\u3001SQL Server\u3067\u306f\u3067\u304d\u306a\u3044\u3068\u601d\u3063\u3066\u3044\u308b\u65b9\u3082\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u8a71\u3092\u805e\u304d\u3001\u4eca\u56de\u306fSQL Server\u3067\u3082\u3067\u304d\u308b\u3053\u3068\u3092\u5831\u544a\u3057\u307e\u3059\u3002

\uff1c\u672c\u65e5\u306e\u984c\u6750\uff1e
MERGE\u6587\uff08SQL Server\u7de8\uff09
<\/strong>
MERGE\u6587\u306e\u8aac\u660e\u306f\u524d\u56de\u65e2\u306b\u884c\u306a\u3063\u305f\u306e\u3067\u3001\u4eca\u56de\u306f\u7701\u304d\u307e\u3059\u3002
\u524d\u56de\u3068\u540c\u3058\u4f8b\u3092SQL Server2008\u3067\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\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 dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21(
\u5546\u54c1CD VARCHAR(10)
, \u5546\u54c1\u540d VARCHAR(20)
, CONSTRAINT PK_\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21 PRIMARY KEY (\u5546\u54c1CD));<\/p>\n

CREATE TABLE dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22(
\u5546\u54c1CD VARCHAR(10)
, \u5546\u54c1\u540d VARCHAR(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
SELECT * FROM dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21;
\"sqls_merge_a\"<\/a><\/p>\n

SELECT * FROM dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22;
\"sqls_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\u306eMERGE\u6587\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n

MERGE INTO dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22
USING dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21
ON (dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff21.\u5546\u54c1CD = dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22.\u5546\u54c1CD)
WHEN MATCHED THEN
UPDATE SET
\u5546\u54c1\u540d = dbo.\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);
— (2 \u884c\u51e6\u7406\u3055\u308c\u307e\u3057\u305f)<\/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
SELECT * FROM \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22;
\"sqls_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\u3001SQL Server2008\u3067\u3082\u78ba\u8a8d\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n

\u203bSQL Server2008\u304b\u3089MERGE\u6587\u306f\u5bfe\u5fdc\u3059\u308b\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306e\u3067\u3001\u305d\u308c\u4ee5\u964d\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306f\u554f\u984c\u306a\u304f\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n

\u5225\u306e\u4f8b\uff09<\/strong>
\u4e0a\u8a18\u306e\u3088\u3046\u306a\u540c\u3058\u69cb\u9020\u306e\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u306e\u66f4\u65b0\u30fb\u767b\u9332\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u304c\u4f55\u304b\u306e\u30a2\u30d7\u30ea\u3067\u5165\u529b\u3057\u305f\u5834\u5408\u306e\u3088\u3046\u306a\u5b9a\u6570\u5024\u306e\u60c5\u5831\u304b\u3089\u30c7\u30fc\u30bf\u3092\u66f4\u65b0\u30fb\u767b\u9332\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308b\u306e\u3067\u3001\u305d\u306e\u969b\u306eMERGE\u6587\u306e\u4f8b\u3092\u4ee5\u4e0b\u306b\u8ffd\u8a18\u3057\u307e\u3059\u3002<\/p>\n

\u4f8b\u3048\u3070\u3001\u5909\u6570@\u5546\u54c1CD\u3001@\u5546\u54c1\u540d\u3092\u4f7f\u7528\u3057\u3001\u5546\u54c1CD\u300c00001\u300d\u3001\u5546\u54c1\u540d\u300c\u5546\u54c1\uff11(\u7518\u3055\u63a7\u3048\u3081)\u300d\u3068\u3044\u3046\u5024\u3092\u4ee3\u5165\u3057\u3066\u4f7f\u7528\u3059\u308b\u5834\u5408\uff1a<\/p>\n

DECLARE @\u5546\u54c1CD VARCHAR(10);
DECLARE @\u5546\u54c1\u540d VARCHAR(20);<\/p>\n

SET @\u5546\u54c1CD = ‘00001’;
SET @\u5546\u54c1\u540d = ‘\u5546\u54c1\uff11(\u7518\u3055\u63a7\u3048\u3081)’;<\/p>\n

MERGE INTO dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22
USING (SELECT @\u5546\u54c1CD AS \u5546\u54c1CD, @\u5546\u54c1\u540d AS \u5546\u54c1\u540d) AS \u5546\u54c1\u60c5\u5831
ON (dbo.\u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22.\u5546\u54c1CD = \u5546\u54c1\u60c5\u5831.\u5546\u54c1CD)
WHEN MATCHED THEN
UPDATE SET
\u5546\u54c1\u540d =\u5546\u54c1\u60c5\u5831.\u5546\u54c1\u540d
WHEN NOT MATCHED THEN
INSERT (\u5546\u54c1CD,\u5546\u54c1\u540d)
VALUES (\u5546\u54c1\u60c5\u5831.\u5546\u54c1CD,\u5546\u54c1\u60c5\u5831.\u5546\u54c1\u540d);
–(1 \u884c\u51e6\u7406\u3055\u308c\u307e\u3057\u305f)<\/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
SELECT * FROM \u5546\u54c1\u30c6\u30fc\u30d6\u30eb\uff22;
\"sqls_merge_b_3\"<\/a><\/p>\n

\u5546\u54c1CD\uff1a00001 \u306b\u3064\u3044\u3066\u306f\u3001\u5546\u54c1\u540d\u304c\u66f4\u65b0\u3055\u308c\u3066\u3044\u308b\u306e\u304c\u78ba\u8a8d\u3067\u304d\u307e\u3059\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 \u524d\u56de\u306e\u984c\u6750\u306b\u4e0a\u3052\u305fMERGE\u6587\u306b\u3064\u3044\u3066\u3001SQL Server\u3067\u306f\u3067\u304d\u306a\u3044\u3068\u601d\u3063\u3066\u3044\u308b\u65b9\u3082\u3044\u308b\u306e\u3067\u306f\u306a\u3044\u304b\u3068\u3044\u3046\u8a71\u3092\u805e\u304d\u3001\u4eca\u56de\u306fSQL Server\u3067\u3082\u3067\u304d\u308b\u3053\u3068\u3092\u5831\u544a\u3057\u307e\u3059\u3002 \uff1c\u672c\u65e5\u306e\u984c […]<\/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-256","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\/256","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=256"}],"version-history":[{"count":8,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/256\/revisions"}],"predecessor-version":[{"id":1981,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=\/wp\/v2\/posts\/256\/revisions\/1981"}],"wp:attachment":[{"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=256"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=256"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dbsheetclient.jp\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=256"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}