{"id":65475,"date":"2024-10-14T13:49:05","date_gmt":"2024-10-14T05:49:05","guid":{"rendered":"https:\/\/server.hk\/cnblog\/65475\/"},"modified":"2024-10-14T13:49:05","modified_gmt":"2024-10-14T05:49:05","slug":"mssql%e7%b5%95%e4%bd%b3%e6%8a%80%e5%b7%a7%ef%bc%9a%e5%bf%ab%e9%80%9f%e6%b8%85%e7%a9%ba%e8%a1%a8%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88mssql%e6%b8%85%e7%a9%ba%e8%a1%a8%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/65475\/","title":{"rendered":"MSSQL\u7d55\u4f73\u6280\u5de7\uff1a\u5feb\u901f\u6e05\u7a7a\u8868\u4e2d\u7684\u6578\u64da\uff08mssql\u6e05\u7a7a\u8868\u6578\u64da\u5eab\uff09"},"content":{"rendered":"

MSSQL\u7d55\u4f73\u6280\u5de7\uff1a\u5feb\u901f\u6e05\u7a7a\u8868\u4e2d\u7684\u6578\u64da\uff08mssql\u6e05\u7a7a\u8868\u6578\u64da\u5eab\uff09<\/h1>\n

\u5728\u4f7f\u7528Microsoft SQL Server\uff08MSSQL\uff09\u9032\u884c\u6578\u64da\u7ba1\u7406\u6642\uff0c\u6e05\u7a7a\u8868\u4e2d\u7684\u6578\u64da\u662f\u4e00\u500b\u5e38\u898b\u7684\u9700\u6c42\u3002\u7121\u8ad6\u662f\u70ba\u4e86\u91cd\u7f6e\u6e2c\u8a66\u74b0\u5883\uff0c\u9084\u662f\u70ba\u4e86\u6e05\u7406\u4e0d\u518d\u9700\u8981\u7684\u6578\u64da\uff0c\u5feb\u901f\u6709\u6548\u5730\u6e05\u7a7a\u8868\u4e2d\u7684\u6578\u64da\u90fd\u662f\u4e00\u9805\u91cd\u8981\u7684\u6280\u80fd\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728MSSQL\u4e2d\u6e05\u7a7a\u8868\u6578\u64da\u7684\u6280\u5de7\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

1. \u4f7f\u7528TRUNCATE TABLE<\/h2>\n

\u6700\u5e38\u7528\u7684\u6e05\u7a7a\u8868\u6578\u64da\u7684\u65b9\u6cd5\u662f\u4f7f\u7528TRUNCATE TABLE<\/code>\u8a9e\u53e5\u3002\u9019\u500b\u547d\u4ee4\u6703\u5feb\u901f\u522a\u9664\u8868\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4e26\u91cd\u7f6e\u8868\u7684\u8eab\u4efd\u5217\uff08\u5982\u679c\u6709\u7684\u8a71\uff09\u3002<\/p>\n

TRUNCATE TABLE \u8868\u540d;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u5982\u679c\u6211\u5011\u6709\u4e00\u500b\u540d\u70baEmployees<\/code>\u7684\u8868\uff0c\u60f3\u8981\u6e05\u7a7a\u5b83\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n
TRUNCATE TABLE Employees;<\/code><\/pre>\n
\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0cTRUNCATE TABLE<\/code>\u7121\u6cd5\u5728\u6709\u5916\u9375\u7d04\u675f\u7684\u8868\u4e0a\u4f7f\u7528\u3002\u5982\u679c\u8868\u4e2d\u6709\u5176\u4ed6\u8868\u4f9d\u8cf4\u65bc\u5b83\uff0c\u5247\u5fc5\u9808\u5148\u522a\u9664\u9019\u4e9b\u4f9d\u8cf4\u3002<\/p>\n
2. \u4f7f\u7528DELETE\u8a9e\u53e5<\/h2>\n
\u53e6\u4e00\u7a2e\u6e05\u7a7a\u8868\u6578\u64da\u7684\u65b9\u6cd5\u662f\u4f7f\u7528DELETE<\/code>\u8a9e\u53e5\u3002\u9019\u500b\u65b9\u6cd5\u96d6\u7136\u6bd4TRUNCATE TABLE<\/code>\u6162\uff0c\u4f46\u5b83\u5141\u8a31\u5728\u522a\u9664\u6578\u64da\u6642\u4f7f\u7528\u689d\u4ef6\u3002<\/p>\n
DELETE FROM \u8868\u540d;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u6e05\u7a7aEmployees<\/code>\u8868\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
DELETE FROM Employees;<\/code><\/pre>\n
\u5982\u679c\u9700\u8981\u6839\u64da\u67d0\u4e9b\u689d\u4ef6\u522a\u9664\u6578\u64da\uff0c\u53ef\u4ee5\u5728DELETE<\/code>\u8a9e\u53e5\u4e2d\u6dfb\u52a0WHERE<\/code>\u5b50\u53e5\uff1a<\/p>\n
DELETE FROM Employees WHERE Department = 'Sales';<\/code><\/pre>\n
3. \u4f7f\u7528DROP TABLE<\/h2>\n
\u5982\u679c\u60a8\u5e0c\u671b\u5b8c\u5168\u522a\u9664\u8868\u53ca\u5176\u7d50\u69cb\uff0c\u53ef\u4ee5\u4f7f\u7528DROP TABLE<\/code>\u547d\u4ee4\u3002\u9019\u5c07\u522a\u9664\u6574\u500b\u8868\uff0c\u5305\u62ec\u6240\u6709\u6578\u64da\u548c\u7d50\u69cb\u3002<\/p>\n
DROP TABLE \u8868\u540d;<\/code><\/pre>\n
\u4f8b\u5982\uff0c\u522a\u9664Employees<\/code>\u8868\u7684\u547d\u4ee4\u5982\u4e0b\uff1a<\/p>\n
DROP TABLE Employees;<\/code><\/pre>\n
\u5728\u4f7f\u7528DROP TABLE<\/code>\u4e4b\u524d\uff0c\u8acb\u78ba\u4fdd\u60a8\u4e0d\u518d\u9700\u8981\u8a72\u8868\uff0c\u56e0\u70ba\u9019\u500b\u64cd\u4f5c\u662f\u4e0d\u53ef\u9006\u7684\u3002<\/p>\n
4. \u4f7f\u7528\u5b58\u5132\u904e\u7a0b<\/h2>\n
\u5982\u679c\u60a8\u7d93\u5e38\u9700\u8981\u6e05\u7a7a\u67d0\u4e9b\u8868\uff0c\u53ef\u4ee5\u8003\u616e\u5275\u5efa\u4e00\u500b\u5b58\u5132\u904e\u7a0b\u4f86\u7c21\u5316\u9019\u4e00\u904e\u7a0b\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u5b58\u5132\u904e\u7a0b\u793a\u4f8b\uff1a<\/p>\n
CREATE PROCEDURE ClearTable\n    @TableName NVARCHAR(128)\nAS\nBEGIN\n    DECLARE @Sql NVARCHAR(MAX);\n    SET @Sql = 'TRUNCATE TABLE ' + QUOTENAME(@TableName);\n    EXEC sp_executesql @Sql;\nEND;<\/code><\/pre>\n
\u9019\u500b\u5b58\u5132\u904e\u7a0b\u63a5\u53d7\u4e00\u500b\u8868\u540d\u4f5c\u70ba\u53c3\u6578\uff0c\u4e26\u4f7f\u7528TRUNCATE TABLE<\/code>\u547d\u4ee4\u6e05\u7a7a\u8a72\u8868\u3002\u4f7f\u7528\u6642\uff0c\u53ea\u9700\u8abf\u7528\u5b58\u5132\u904e\u7a0b\u4e26\u50b3\u5165\u8868\u540d\uff1a<\/p>\n
EXEC ClearTable 'Employees';<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u5728MSSQL\u4e2d\u6e05\u7a7a\u8868\u6578\u64da\u6709\u591a\u7a2e\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528TRUNCATE TABLE<\/code>\u3001DELETE<\/code>\u3001DROP TABLE<\/code>\u4ee5\u53ca\u5275\u5efa\u5b58\u5132\u904e\u7a0b\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u7ba1\u7406\u7684\u6548\u7387\u3002\u7121\u8ad6\u60a8\u662f\u4f7f\u7528TRUNCATE TABLE<\/code>\u5feb\u901f\u6e05\u7a7a\u6578\u64da\uff0c\u9084\u662f\u4f7f\u7528DELETE<\/code>\u9032\u884c\u689d\u4ef6\u522a\u9664\uff0c\u4e86\u89e3\u9019\u4e9b\u6280\u5de7\u5c07\u6709\u52a9\u65bc\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n
\u5982\u679c\u60a8\u9700\u8981\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u6211\u5011\u7684\u9999\u6e2fVPS<\/a>\u670d\u52d9\uff0c\u63d0\u4f9b\u7a69\u5b9a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u7684\u914d\u7f6e\u9078\u64c7\uff0c\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u6578\u64da\u5eab\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u638c\u63e1MSSQL\u7d55\u4f73\u6280\u5de7\uff0c\u5feb\u901f\u6e05\u7a7a\u8868\u4e2d\u6578\u64da\uff0c\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6548\u7387\uff0c\u7c21\u5316\u7dad\u8b77\u6d41\u7a0b\uff0c\u8b93\u64cd\u4f5c\u66f4\u4fbf\u6377\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-65475","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65475","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=65475"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65475\/revisions"}],"predecessor-version":[{"id":65476,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/65475\/revisions\/65476"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=65475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=65475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=65475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}