{"id":106,"date":"2020-06-09T10:06:23","date_gmt":"2020-06-09T02:06:23","guid":{"rendered":"https:\/\/22pig.com\/?p=106"},"modified":"2020-06-09T10:06:23","modified_gmt":"2020-06-09T02:06:23","slug":"sql-server%e8%a7%86%e5%9b%be%e3%80%81%e5%b5%8c%e5%a5%97select%e3%80%81with-as%e3%80%81isnull%e3%80%81case-when%e3%80%81group-by","status":"publish","type":"post","link":"http:\/\/22pig.com\/?p=106","title":{"rendered":"sql server\u89c6\u56fe\u3001\u5d4c\u5957select\u3001with as\u3001isNUll\u3001case when\u3001group by"},"content":{"rendered":"<p>1\u3001with as<br \/>\n\u6211\u4eec\u60f3\u8981\u5c06\u67e5\u8be2\u51fa\u6765\u7684\u7ed3\u679c\u5148\u8fdb\u884c\u4fdd\u5b58\uff0c\u4f46\u662f\u5728\u89c6\u56fe\u603b\u4e0d\u80fd\u521b\u5efa\u4e34\u65f6\u8868\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528with \u2013 as\u65b9\u5f0f\u5c06\u7ed3\u679c\u4e34\u65f6\u4fdd\u5b58<br \/>\n2\u3001isNUll(T1.FInterID, 0)<br \/>\n\u5e0c\u671b\u5728\u67d0\u4e2a\u5b57\u6bb5\u4e3a\u7a7a\u65f6\u9644\u4e0a\u9ed8\u8ba4\u503c\uff0c\u53ef\u4ee5\u7528isNUll\uff0c\u5373FInterID\u4e3a\u7a7a\uff0c\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u4e3a0<br \/>\n3\u3001SELECT a.FInterID, \u2026\u2026, b.FCheckTo from\u2026\u2026) as T1<br \/>\n\u8fd9\u91cc\u662f\u5c06select\u67e5\u8be2\u51fa\u7684\u7ed3\u679c\u4e34\u65f6\u4fdd\u5b58\u4e3a\u8868T1\uff0c\u4f9b\u4e0b\u4e00\u6b21\u5d4c\u5957\u4f7f\u7528<br \/>\n4\u3001\u2026\u2026as a left JOIN ICClassMCRecord1070 b ON a.FInterID = b.FBillID\u2026\u2026<br \/>\n\u5c06\u4e24\u4e2a\u8868\u8054\u5408\u8d77\u6765\u67e5\u8be2<br \/>\n5\u3001case when<br \/>\nsql server\u7684\u6761\u4ef6\u67e5\u8be2<br \/>\n6\u3001group by FInterID<br \/>\n\u4ee5FInterID\u8fdb\u884c\u5206\u7c7b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1\u3001with as \u6211\u4eec\u60f3\u8981\u5c06\u67e5\u8be2\u51fa\u6765\u7684\u7ed3\u679c\u5148\u8fdb\u884c\u4fdd\u5b58\uff0c\u4f46\u662f\u5728\u89c6\u56fe\u603b\u4e0d\u80fd\u521b\u5efa\u4e34\u65f6\u8868\uff0c\u6240\u4ee5\u53ef\u4ee5\u7528with \u2013 as\u65b9\u5f0f\u5c06\u7ed3\u679c\u4e34\u65f6\u4fdd\u5b58 2\u3001isNUll(T1.FInterID, 0) \u5e0c\u671b\u5728\u67d0\u4e2a\u5b57\u6bb5\u4e3a\u7a7a\u65f6\u9644\u4e0a\u9ed8\u8ba4\u503c\uff0c\u53ef\u4ee5\u7528isNUll\uff0c\u5373FInterID\u4e3a\u7a7a\uff0c\u8bbe\u7f6e\u9ed8\u8ba4\u503c\u4e3a0 3\u3001SELECT a.FInterID, \u2026\u2026, b.FCheckTo from\u2026\u2026) as T1 \u8fd9\u91cc\u662f\u5c06select\u67e5\u8be2\u51fa\u7684\u7ed3\u679c\u4e34\u65f6\u4fdd\u5b58\u4e3a\u8868T1\uff0c\u4f9b\u4e0b\u4e00\u6b21\u5d4c\u5957\u4f7f\u7528 4\u3001\u2026\u2026as a left JOIN ICClassMCRecord1070 b ON a.FInterID = b.FBillID\u2026\u2026 \u5c06\u4e24\u4e2a\u8868\u8054\u5408\u8d77\u6765\u67e5\u8be2 5\u3001case when sql server\u7684\u6761\u4ef6\u67e5\u8be2 6\u3001group by FInterID \u4ee5FInterID\u8fdb\u884c\u5206\u7c7b<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[],"class_list":["post-106","post","type-post","status-publish","format-standard","hentry","category-sql-server"],"_links":{"self":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/106","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106"}],"version-history":[{"count":0,"href":"http:\/\/22pig.com\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions"}],"wp:attachment":[{"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/22pig.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}