{"id":135189,"date":"2024-10-31T08:35:35","date_gmt":"2024-10-31T00:35:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/135189\/"},"modified":"2024-10-31T08:35:36","modified_gmt":"2024-10-31T00:35:36","slug":"sql-server-2000%e8%a1%a8%e8%ae%8a%e9%87%8f%e5%bc%95%e5%85%a5%e6%99%82%e7%9a%84%e5%95%8f%e9%a1%8c%e7%a0%b4%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/135189\/","title":{"rendered":"SQL Server 2000\u8868\u8b8a\u91cf\u5f15\u5165\u6642\u7684\u554f\u984c\u7834\u89e3"},"content":{"rendered":"

SQL Server 2000\u8868\u8b8a\u91cf\u5f15\u5165\u6642\u7684\u554f\u984c\u7834\u89e3<\/h1>\n

\u5728\u8cc7\u6599\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0cSQL Server 2000\u662f\u4e00\u500b\u76f8\u5c0d\u8f03\u65e9\u7684\u7248\u672c\uff0c\u4f46\u4ecd\u7136\u5728\u67d0\u4e9b\u74b0\u5883\u4e2d\u88ab\u5ee3\u6cdb\u4f7f\u7528\u3002\u8868\u8b8a\u91cf\uff08Table Variables\uff09\u662fSQL Server\u4e2d\u4e00\u7a2e\u91cd\u8981\u7684\u8cc7\u6599\u7d50\u69cb\uff0c\u80fd\u5920\u5728\u5b58\u5132\u904e\u7a0b\u4e2d\u81e8\u6642\u5b58\u5132\u8cc7\u6599\u3002\u5118\u7ba1\u8868\u8b8a\u91cf\u7684\u4f7f\u7528\u5e36\u4f86\u4e86\u8a31\u591a\u4fbf\u5229\uff0c\u4f46\u5728\u5f15\u5165\u548c\u4f7f\u7528\u904e\u7a0b\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u554f\u984c\u3002\u672c\u6587\u5c07\u63a2\u8a0eSQL Server 2000\u8868\u8b8a\u91cf\u5f15\u5165\u6642\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n

\u8868\u8b8a\u91cf\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

\u8868\u8b8a\u91cf\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u8b8a\u91cf\uff0c\u80fd\u5920\u5b58\u5132\u591a\u884c\u8cc7\u6599\u3002\u5b83\u7684\u5b9a\u7fa9\u985e\u4f3c\u65bc\u81e8\u6642\u8868\uff0c\u4f46\u8868\u8b8a\u91cf\u7684\u4f5c\u7528\u7bc4\u570d\u50c5\u9650\u65bc\u5176\u6240\u5728\u7684\u6279\u6b21\u6216\u5b58\u5132\u904e\u7a0b\u3002\u8868\u8b8a\u91cf\u7684\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n

DECLARE @MyTableVar TABLE (ID INT, Name NVARCHAR(50));<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba@MyTableVar\u7684\u8868\u8b8a\u91cf\uff0c\u5305\u542b\u5169\u500b\u6b04\u4f4d\uff1aID\u548cName\u3002<\/p>\n
\u5e38\u898b\u554f\u984c\u53ca\u89e3\u6c7a\u65b9\u6848<\/h2>\n
1. \u8868\u8b8a\u91cf\u7684\u4f5c\u7528\u7bc4\u570d\u9650\u5236<\/h3>\n
\u8868\u8b8a\u91cf\u7684\u4f5c\u7528\u7bc4\u570d\u50c5\u9650\u65bc\u5176\u88ab\u5b9a\u7fa9\u7684\u5b58\u5132\u904e\u7a0b\u6216\u6279\u6b21\uff0c\u9019\u610f\u5473\u8457\u5728\u5176\u4ed6\u5b58\u5132\u904e\u7a0b\u4e2d\u7121\u6cd5\u76f4\u63a5\u8a2a\u554f\u3002\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u958b\u767c\u8005\u5728\u9700\u8981\u8de8\u591a\u500b\u5b58\u5132\u904e\u7a0b\u5171\u4eab\u8cc7\u6599\u6642\u9047\u5230\u56f0\u96e3\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u53ef\u4ee5\u8003\u616e\u4f7f\u7528\u81e8\u6642\u8868\uff08#TempTable\uff09\u4f86\u66ff\u4ee3\u8868\u8b8a\u91cf\uff0c\u56e0\u70ba\u81e8\u6642\u8868\u7684\u4f5c\u7528\u7bc4\u570d\u53ef\u4ee5\u8de8\u591a\u500b\u5b58\u5132\u904e\u7a0b\u3002<\/p>\n
2. \u6027\u80fd\u554f\u984c<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u8868\u8b8a\u91cf\u7684\u6027\u80fd\u53ef\u80fd\u4e0d\u5982\u81e8\u6642\u8868\u3002\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u8cc7\u6599\u6642\uff0c\u8868\u8b8a\u91cf\u4e0d\u6703\u81ea\u52d5\u5efa\u7acb\u7d22\u5f15\uff0c\u9019\u53ef\u80fd\u5c0e\u81f4\u67e5\u8a62\u6027\u80fd\u4e0b\u964d\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u5982\u679c\u9810\u671f\u6703\u8655\u7406\u5927\u91cf\u8cc7\u6599\uff0c\u5efa\u8b70\u4f7f\u7528\u81e8\u6642\u8868\u4e26\u624b\u52d5\u5efa\u7acb\u7d22\u5f15\uff0c\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\u3002\u4f8b\u5982\uff1a<\/p>\n
CREATE TABLE #TempTable (ID INT PRIMARY KEY, Name NVARCHAR(50));<\/code><\/pre>\n
3. \u8868\u8b8a\u91cf\u7684\u8cc7\u6599\u985e\u578b\u9650\u5236<\/h3>\n
\u5728SQL Server 2000\u4e2d\uff0c\u8868\u8b8a\u91cf\u7684\u8cc7\u6599\u985e\u578b\u53d7\u5230\u4e00\u5b9a\u9650\u5236\u3002\u4f8b\u5982\uff0c\u7121\u6cd5\u4f7f\u7528TEXT\u6216IMAGE\u985e\u578b\u4f5c\u70ba\u8868\u8b8a\u91cf\u7684\u6b04\u4f4d\u985e\u578b\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u53ef\u4ee5\u8003\u616e\u5c07\u9019\u4e9b\u8cc7\u6599\u985e\u578b\u8f49\u63db\u70baVARCHAR\u6216VARBINARY\uff0c\u7136\u5f8c\u5728\u9700\u8981\u6642\u9032\u884c\u8f49\u63db\u3002<\/p>\n
4. \u7121\u6cd5\u4f7f\u7528\u8868\u8b8a\u91cf\u9032\u884cJOIN\u64cd\u4f5c<\/h3>\n
\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u767c\u73fe\u7121\u6cd5\u5c07\u8868\u8b8a\u91cf\u8207\u5176\u4ed6\u8868\u9032\u884cJOIN\u64cd\u4f5c\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u67e5\u8a62\u5931\u6557\u3002<\/p>\n
\u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u78ba\u4fdd\u8868\u8b8a\u91cf\u5df2\u6b63\u78ba\u5b9a\u7fa9\u4e26\u4e14\u5728JOIN\u64cd\u4f5c\u4e2d\u4f7f\u7528\u6b63\u78ba\u7684\u8a9e\u6cd5\u3002\u4f8b\u5982\uff1a<\/p>\n
SELECT a.ID, b.Name\nFROM @MyTableVar a\nJOIN AnotherTable b ON a.ID = b.ID;<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
SQL Server 2000\u7684\u8868\u8b8a\u91cf\u5728\u8cc7\u6599\u8655\u7406\u4e2d\u63d0\u4f9b\u4e86\u9748\u6d3b\u6027\uff0c\u4f46\u5728\u5f15\u5165\u548c\u4f7f\u7528\u904e\u7a0b\u4e2d\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u6311\u6230\u3002\u4e86\u89e3\u9019\u4e9b\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u5229\u7528\u8868\u8b8a\u91cf\u3002\u5c0d\u65bc\u9700\u8981\u9ad8\u6548\u80fd\u548c\u9748\u6d3b\u6027\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u8cc7\u6599\u7d50\u69cb\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 \u9999\u6e2fVPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK\u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\u4ee5\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22SQL Server 2000\u4e2d\u8868\u8b8a\u91cf\u5f15\u5165\u7684\u5e38\u898b\u554f\u984c\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\u8207\u6027\u80fd\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-135189","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135189","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=135189"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135189\/revisions"}],"predecessor-version":[{"id":135190,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/135189\/revisions\/135190"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=135189"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=135189"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=135189"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}