{"id":166679,"date":"2024-11-05T18:30:21","date_gmt":"2024-11-05T10:30:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/166679\/"},"modified":"2024-11-05T18:30:22","modified_gmt":"2024-11-05T10:30:22","slug":"%e5%bf%ab%e9%80%9f%e6%8e%8c%e6%8f%a1sql%ef%bc%9a%e5%a6%82%e4%bd%95%e5%88%97%e5%87%ba%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e6%89%80%e6%9c%89%e8%a1%a8%e7%9a%84%e4%bf%a1%e6%81%af-sql%e4%b8%ad%e5%88%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/166679\/","title":{"rendered":"\u5feb\u901f\u638c\u63e1SQL\uff1a\u5982\u4f55\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f (sql\u4e2d\u5217\u51fa\u6240\u6709\u8868\u7684\u6578\u64da\u5eab)"},"content":{"rendered":"

\u5feb\u901f\u638c\u63e1SQL\uff1a\u5982\u4f55\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u4e86\u89e3\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u53ca\u5176\u7d50\u69cb\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u7121\u8ad6\u662f\u9032\u884c\u6578\u64da\u5206\u6790\u3001\u7dad\u8b77\u6578\u64da\u5eab\uff0c\u9084\u662f\u958b\u767c\u61c9\u7528\u7a0b\u5e8f\uff0c\u80fd\u5920\u5feb\u901f\u7372\u53d6\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f\u90fd\u80fd\u5927\u5927\u63d0\u9ad8\u5de5\u4f5c\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528SQL\u8a9e\u53e5\u4f86\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u3002<\/p>\n

\u4ec0\u9ebc\u662fSQL\uff1f<\/h2>\n

SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u662f\u4e00\u7a2e\u7528\u65bc\u7ba1\u7406\u548c\u64cd\u4f5c\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7684\u6a19\u6e96\u8a9e\u8a00\u3002\u5b83\u5141\u8a31\u7528\u6236\u57f7\u884c\u5404\u7a2e\u64cd\u4f5c\uff0c\u5305\u62ec\u67e5\u8a62\u6578\u64da\u3001\u66f4\u65b0\u6578\u64da\u3001\u63d2\u5165\u6578\u64da\u548c\u522a\u9664\u6578\u64da\u3002SQL\u7684\u5f37\u5927\u4e4b\u8655\u5728\u65bc\u5176\u7c21\u6f54\u7684\u8a9e\u6cd5\u548c\u9748\u6d3b\u7684\u529f\u80fd\uff0c\u4f7f\u5f97\u7528\u6236\u80fd\u5920\u8f15\u9b06\u5730\u8207\u6578\u64da\u5eab\u9032\u884c\u4ea4\u4e92\u3002<\/p>\n

\u5982\u4f55\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868<\/h2>\n

\u5728\u4e0d\u540c\u7684\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\u4e2d\uff0c\u5217\u51fa\u6240\u6709\u8868\u7684\u65b9\u5f0f\u53ef\u80fd\u6703\u6709\u6240\u4e0d\u540c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u53ca\u5176\u76f8\u61c9\u7684SQL\u8a9e\u53e5\uff1a<\/p>\n

1. MySQL<\/h3>\n

\u5728MySQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5217\u51fa\u7576\u524d\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\uff1a<\/p>\n

SHOW TABLES;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u7576\u524d\u9078\u5b9a\u6578\u64da\u5eab\u4e2d\u7684\u6240\u6709\u8868\u540d\u3002\u5982\u679c\u9700\u8981\u67e5\u770b\u7279\u5b9a\u6578\u64da\u5eab\u7684\u8868\uff0c\u53ef\u4ee5\u5148\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u9078\u64c7\u6578\u64da\u5eab\uff1a<\/p>\n
USE database_name;<\/code><\/pre>\n
2. PostgreSQL<\/h3>\n
\u5728PostgreSQL\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5217\u51fa\u6240\u6709\u8868\uff1a<\/p>\n
SELECT table_name FROM information_schema.tables WHERE table_schema = 'public';<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u201cpublic\u201d\u6a21\u5f0f\u4e0b\u7684\u6240\u6709\u8868\u540d\u3002\u5982\u679c\u9700\u8981\u67e5\u770b\u5176\u4ed6\u6a21\u5f0f\u7684\u8868\uff0c\u53ef\u4ee5\u4fee\u6539\u201ctable_schema\u201d\u7684\u503c\u3002<\/p>\n
3. SQL Server<\/h3>\n
\u5728SQL Server\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5217\u51fa\u6240\u6709\u8868\uff1a<\/p>\n
SELECT * FROM information_schema.tables WHERE table_type = 'BASE TABLE';<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u6240\u6709\u57fa\u672c\u8868\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u8868\u540d\u3001\u8868\u985e\u578b\u7b49\u3002<\/p>\n
4. Oracle<\/h3>\n
\u5728Oracle\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u5217\u51fa\u6240\u6709\u8868\uff1a<\/p>\n
SELECT table_name FROM user_tables;<\/code><\/pre>\n
\u9019\u689d\u8a9e\u53e5\u5c07\u8fd4\u56de\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u8868\u540d\u3002\u5982\u679c\u9700\u8981\u67e5\u770b\u6240\u6709\u7528\u6236\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\uff1a<\/p>\n
SELECT table_name FROM all_tables;<\/code><\/pre>\n
\u7372\u53d6\u8868\u7684\u8a73\u7d30\u4fe1\u606f<\/h2>\n
\u9664\u4e86\u5217\u51fa\u6240\u6709\u8868\u540d\u5916\uff0c\u9084\u53ef\u4ee5\u7372\u53d6\u6bcf\u500b\u8868\u7684\u8a73\u7d30\u4fe1\u606f\uff0c\u4f8b\u5982\u5217\u540d\u3001\u6578\u64da\u985e\u578b\u7b49\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n
MySQL\u793a\u4f8b<\/h3>\n
DESCRIBE table_name;<\/code><\/pre>\n
PostgreSQL\u793a\u4f8b<\/h3>\n
SELECT column_name, data_type FROM information_schema.columns WHERE table_name = 'table_name';<\/code><\/pre>\n
SQL Server\u793a\u4f8b<\/h3>\n
EXEC sp_help 'table_name';<\/code><\/pre>\n
Oracle\u793a\u4f8b<\/h3>\n
SELECT column_name, data_type FROM user_tab_columns WHERE table_name = 'TABLE_NAME';<\/code><\/pre>\n
\u7e3d\u7d50<\/h2>\n
\u638c\u63e1\u5982\u4f55\u5217\u51fa\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f\u662f\u6578\u64da\u5eab\u7ba1\u7406\u7684\u91cd\u8981\u6280\u80fd\u3002\u7121\u8ad6\u60a8\u4f7f\u7528\u7684\u662fMySQL\u3001PostgreSQL\u3001SQL Server\u9084\u662fOracle\uff0c\u4ee5\u4e0a\u63d0\u4f9b\u7684SQL\u8a9e\u53e5\u90fd\u80fd\u5e6b\u52a9\u60a8\u5feb\u901f\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u900f\u904e\u9019\u4e9b\u57fa\u672c\u7684\u67e5\u8a62\uff0c\u60a8\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u548c\u5206\u6790\u6578\u64da\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684\u6578\u64da\u5eab\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u7528\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u670d\u52d9\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5feb\u901f\u638c\u63e1SQL\uff0c\u5b78\u7fd2\u5982\u4f55\u5728\u6578\u64da\u5eab\u4e2d\u5217\u51fa\u6240\u6709\u8868\u7684\u4fe1\u606f\uff0c\u63d0\u5347\u6578\u64da\u7ba1\u7406\u8207\u67e5\u8a62\u6548\u7387\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-166679","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166679","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=166679"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166679\/revisions"}],"predecessor-version":[{"id":166680,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/166679\/revisions\/166680"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=166679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=166679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=166679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}