{"id":549,"date":"2010-10-01T03:44:24","date_gmt":"2010-10-01T03:44:24","guid":{"rendered":"http:\/\/enjoyasp.net\/?p=549"},"modified":"2010-10-01T03:44:24","modified_gmt":"2010-10-01T03:44:24","slug":"sqlserver%e7%b3%bb%e7%bb%9f%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/enjoyasp.net\/index.php\/2010\/10\/01\/sqlserver%e7%b3%bb%e7%bb%9f%e5%87%bd%e6%95%b0\/","title":{"rendered":"SqlServer\u7cfb\u7edf\u51fd\u6570"},"content":{"rendered":"

1\uff0c@@SERVERNAME \u8fd4\u56de\u8fd0\u884c Microsoft? SQL Server? \u7684\u672c\u5730\u670d\u52a1\u5668\u540d\u79f0\u3002<\/p>\n

2\uff0c@@SERVICENAME \u8fd4\u56de Microsoft? SQL Server? \u6b63\u5728\u5176\u4e0b\u8fd0\u884c\u7684\u6ce8\u518c\u8868\u952e\u540d\uff0cSQL Server \u4f5c\u4e3a\u540d\u4e3a MSSQLServer \u7684\u670d\u52a1\u5728 Microsoft Windows NT? \u4e0a\u8fd0\u884c<\/p>\n

3\uff0c
\n?HOST_ID() –\u4e3b\u673a\u7f16\u53f7
\n?HOST_NAME()–\u4e3b\u673a\u540d
\n?DB_ID(‘master’) –\u6570\u636e\u5e93\u7f16\u53f7
\n?DB_NAME(1)????? –\u6570\u636e\u5e93\u540d\u79f0
\n?OBJECT_ID(‘sysobjects’)? –\u6570\u636e\u5e93\u5bf9\u8c61\u7f16\u53f7
\n?File_ID(‘master’)??????? –\u8fd4\u56de\u8be5\u903b\u8f91\u6587\u4ef6\u540d\u7684\u7f16\u53f7
\n?File_NAME(1)????????????? –\u8fd4\u56de\u8be5\u6587\u4ef6\u7f16\u53f7\u7684\u903b\u8f91\u6587\u4ef6\u540d
\n?FILEGROUP_ID(‘primary’)???? –\u8fd4\u56de\u6587\u4ef6\u7ec4\u7f16\u53f7
\n?FILEGROUP_NAME(1)?????????? –\u8fd4\u56de\u6587\u4ef6\u7ec4\u540d\u79f0<\/p>\n

4\uff0c COL_NAME(OBJECT_ID(‘sysobjects’),1)? –\u8868\u4e2d\u5217\u7684\u540d\u79f0\uff0c\u6bcf\u4e2a\u8868\u4e2d\u5217\u662f\u4ece\u2026n\u987a\u5e8f\u7f16\u53f7
\n?????? INDEX_COL(‘sysobjects’,1,1)?? –\u8fd4\u56desysobjects\u4e2d\u7b2c\u4e00\u4e2a\u7d22\u5f15\u7b2c\u4e00\u4e2a\u952e\u7684\u540d\u79f0
\n?????? APP_NAME() –\u8fd4\u56de\u5f53\u524d\u4f7f\u7528\u7684\u5de5\u5177\u540d\u79f0\uff0c\u5982\uff1aSQL \u67e5\u8be2\u5206\u6790\u5668
\n? ? ? @@SPID????? –\u8fd4\u56de\u5f53\u524d\u8fde\u63a5\u5728SQL SERVER\u4e2d\u7684\u7f16\u53f7
\n?? ?? @@PROCID??? –\u5728SP\u4e2d\u4f7f\u7528\uff0c\u67e5\u770b\u81ea\u5df1\u7684ID
\n????? Suser_Sid()????? –\u8fd4\u56de\u767b\u5f55\u7684SID\uff0c\u53ef\u4f20\u53c2\uff0c\u9ed8\u8ba4\u8fd4\u56de\u5f53\u524d\u503c
\n????? Suser_Sname()??? –\u8fd4\u56de\u767b\u5f55\u7684\u540d\u79f0\uff0c\u53ef\u4f20\u53c2\uff0c\u9ed8\u8ba4\u8fd4\u56de\u5f53\u524d\u503c
\n????? System_User????? –\u7b49\u4ef7\u4e8e\u4e0d\u5e26\u53c2\u6570\u7684SUER_SNAME()
\n????? User_Id()????????? –\u8fd4\u56de\u6570\u636e\u5e93\u7528\u6237ID\uff0c\u53ef\u4f20\u53c2\uff0c\u9ed8\u8ba4\u8fd4\u56de\u5f53\u524d\u503c
\n?? ?? User_Name()?????? –\u8fd4\u56de\u6570\u636e\u5e93\u7528\u6237\u540d\uff0c\u53ef\u4f20\u53c2\uff0c\u9ed8\u8ba4\u8fd4\u56de\u5f53\u524d\u503c
\n? ? ? User??????????????? –\u7b49\u4ef7\u4e8e\u4e0d\u5e26\u53c2\u6570\u7684USER_NAME()
\n?? ?? Current_User????? –\u7b49\u4ef7\u4e8e\u4e0d\u5e26\u53c2\u6570\u7684USER_NAME()
\n????? Session_User????? –\u7b49\u4ef7\u4e8e\u4e0d\u5e26\u53c2\u6570\u7684USER_NAME()<\/p>\n

5\uff0c
\n\u83b7\u53d6\u957f\u5ea6
\nDATALENGTH(‘s\u6211s’) –\u8fd4\u56de\u8868\u8fbe\u5f0f\u5360\u7528\u7684\u5b57\u8282\u6570
\nCOL_LENGTH(‘sysobjects’,’name’) –\u8fd4\u56de\u5217\u7684\u5b9a\u4e49\u957f\u5ea6(byte)
\n\u65e5\u671f\u65f6\u95f4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32<\/p>\n

6\uff0c
\n\u65e5\u671f\u65f6\u95f4\u8f6c\u6362\u4e3a\u5b57\u7b26\u4e32
\nconvert(varchar(20),getdate(),120)<\/p>\n

7\uff0c@@IDENTITY ????? \u59cb\u7ec8\u8fd4\u56de\u5f53\u524d\u4f1a\u8bdd\u6700\u540e\u7684\u6807\u8bc6\u503c<\/p>\n","protected":false},"excerpt":{"rendered":"

1\uff0c@@SERVERNAME \u8fd4\u56de\u8fd0\u884c Microsoft? SQL Server? \u7684\u672c\u5730\u670d\u52a1\u5668\u540d\u79f0\u3002 2\uff0c […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-549","post","type-post","status-publish","format-standard","hentry","category-sql-server"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/549","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/comments?post=549"}],"version-history":[{"count":0,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/posts\/549\/revisions"}],"wp:attachment":[{"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/media?parent=549"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/categories?post=549"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/enjoyasp.net\/index.php\/wp-json\/wp\/v2\/tags?post=549"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}