{"id":174857,"date":"2024-11-08T00:20:19","date_gmt":"2024-11-07T16:20:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/174857\/"},"modified":"2024-11-08T00:20:20","modified_gmt":"2024-11-07T16:20:20","slug":"%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%b7oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a1%a8%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8-oracle%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e8%a1%a8%e6%98%af%e5%90%a6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/174857\/","title":{"rendered":"\u5982\u4f55\u5224\u65b7Oracle\u6578\u64da\u5eab\u4e2d\u8868\u662f\u5426\u5b58\u5728 (oracle\u6578\u64da\u5eab\u4e2d\u8868\u662f\u5426\u5b58\u5728)"},"content":{"rendered":"

\u5982\u4f55\u5224\u65b7Oracle\u6578\u64da\u5eab\u4e2d\u8868\u662f\u5426\u5b58\u5728<\/h1>\n

\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u9032\u884c\u958b\u767c\u548c\u7ba1\u7406\u6642\uff0c\u7d93\u5e38\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u8868\u662f\u5426\u5b58\u5728\u3002\u9019\u4e0d\u50c5\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u907f\u514d\u57f7\u884c\u932f\u8aa4\u7684SQL\u8a9e\u53e5\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5224\u65b7Oracle\u6578\u64da\u5eab\u4e2d\u8868\u662f\u5426\u5b58\u5728\u7684\u65b9\u6cd5\uff0c\u4e26\u63d0\u4f9b\u76f8\u61c9\u7684\u793a\u4f8b\u4ee3\u78bc\u3002<\/p>\n

\u65b9\u6cd5\u4e00\uff1a\u67e5\u8a62USER_TABLES\u8996\u5716<\/h2>\n

Oracle\u6578\u64da\u5eab\u63d0\u4f9b\u4e86\u4e00\u500b\u540d\u70baUSER_TABLES<\/code>\u7684\u6578\u64da\u5b57\u5178\u8996\u5716\uff0c\u8a72\u8996\u5716\u5305\u542b\u4e86\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u8868\u7684\u4fe1\u606f\u3002\u53ef\u4ee5\u901a\u904e\u67e5\u8a62\u9019\u500b\u8996\u5716\u4f86\u5224\u65b7\u67d0\u500b\u8868\u662f\u5426\u5b58\u5728\u3002<\/p>\n

SELECT table_name \nFROM user_tables \nWHERE table_name = 'YOUR_TABLE_NAME';\n<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u5c07YOUR_TABLE_NAME<\/code>\u66ff\u63db\u70ba\u4f60\u8981\u67e5\u8a62\u7684\u8868\u540d\u3002\u6ce8\u610f\uff0cOracle\u6578\u64da\u5eab\u4e2d\u7684\u8868\u540d\u662f\u5340\u5206\u5927\u5c0f\u5beb\u7684\uff0c\u56e0\u6b64\u5728\u67e5\u8a62\u6642\u9700\u8981\u78ba\u4fdd\u8868\u540d\u7684\u5927\u5c0f\u5beb\u6b63\u78ba\u3002<\/p>\n
\u65b9\u6cd5\u4e8c\uff1a\u67e5\u8a62ALL_TABLES\u8996\u5716<\/h2>\n
\u5982\u679c\u4f60\u9700\u8981\u6aa2\u67e5\u67d0\u500b\u8868\u662f\u5426\u5b58\u5728\u65bc\u6240\u6709\u7528\u6236\u7684\u6578\u64da\u5eab\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528ALL_TABLES<\/code>\u8996\u5716\u3002\u9019\u500b\u8996\u5716\u5305\u542b\u4e86\u7576\u524d\u7528\u6236\u6709\u6b0a\u8a2a\u554f\u7684\u6240\u6709\u8868\u7684\u4fe1\u606f\u3002<\/p>\n
SELECT table_name \nFROM all_tables \nWHERE table_name = 'YOUR_TABLE_NAME';\n<\/code><\/pre>\n
\u540c\u6a23\uff0c\u5c07YOUR_TABLE_NAME<\/code>\u66ff\u63db\u70ba\u4f60\u8981\u67e5\u8a62\u7684\u8868\u540d\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u7576\u4f60\u9700\u8981\u78ba\u8a8d\u67d0\u500b\u8868\u662f\u5426\u5b58\u5728\u65bc\u5176\u4ed6\u7528\u6236\u7684\u6a21\u5f0f\u4e0b\u6642\u3002<\/p>\n
\u65b9\u6cd5\u4e09\uff1a\u67e5\u8a62DBA_TABLES\u8996\u5716<\/h2>\n
\u5c0d\u65bc\u64c1\u6709DBA\u6b0a\u9650\u7684\u7528\u6236\uff0c\u53ef\u4ee5\u4f7f\u7528DBA_TABLES<\/code>\u8996\u5716\u4f86\u6aa2\u67e5\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f\u3002\u9019\u500b\u8996\u5716\u5305\u542b\u4e86\u6240\u6709\u7528\u6236\u7684\u8868\u4fe1\u606f\uff0c\u9069\u5408\u65bc\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u4f7f\u7528\u3002<\/p>\n
SELECT table_name \nFROM dba_tables \nWHERE table_name = 'YOUR_TABLE_NAME';\n<\/code><\/pre>\n
\u9019\u88e1\u7684\u67e5\u8a62\u65b9\u5f0f\u8207\u524d\u9762\u5169\u7a2e\u65b9\u6cd5\u76f8\u4f3c\uff0c\u53ea\u662f\u8996\u5716\u4e0d\u540c\u3002\u4f7f\u7528DBA_TABLES<\/code>\u8996\u5716\u53ef\u4ee5\u7372\u5f97\u66f4\u5168\u9762\u7684\u6578\u64da\u5eab\u8868\u4fe1\u606f\u3002<\/p>\n
\u65b9\u6cd5\u56db\uff1a\u4f7f\u7528PL\/SQL\u584a<\/h2>\n
\u9664\u4e86\u76f4\u63a5\u67e5\u8a62\u6578\u64da\u5b57\u5178\u8996\u5716\u5916\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528PL\/SQL\u584a\u4f86\u5224\u65b7\u8868\u662f\u5426\u5b58\u5728\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5728\u57f7\u884c\u5176\u4ed6\u64cd\u4f5c\u4e4b\u524d\u9032\u884c\u6aa2\u67e5\uff0c\u5f9e\u800c\u63d0\u9ad8\u4ee3\u78bc\u7684\u9748\u6d3b\u6027\u3002<\/p>\n
DECLARE\n    v_count NUMBER;\nBEGIN\n    SELECT COUNT(*) INTO v_count \n    FROM user_tables \n    WHERE table_name = 'YOUR_TABLE_NAME';\n\n    IF v_count > 0 THEN\n        DBMS_OUTPUT.PUT_LINE('\u8868\u5b58\u5728');\n    ELSE\n        DBMS_OUTPUT.PUT_LINE('\u8868\u4e0d\u5b58\u5728');\n    END IF;\nEND;\n<\/code><\/pre>\n
\u5728\u9019\u6bb5PL\/SQL\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u9996\u5148\u67e5\u8a62\u8868\u7684\u6578\u91cf\uff0c\u7136\u5f8c\u6839\u64da\u7d50\u679c\u8f38\u51fa\u76f8\u61c9\u7684\u4fe1\u606f\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u5728\u9700\u8981\u9032\u884c\u591a\u6b21\u6aa2\u67e5\u6642\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5224\u65b7\u8868\u662f\u5426\u5b58\u5728\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u7121\u8ad6\u662f\u901a\u904e\u67e5\u8a62\u6578\u64da\u5b57\u5178\u8996\u5716\u9084\u662f\u4f7f\u7528PL\/SQL\u584a\uff0c\u90fd\u80fd\u6709\u6548\u5730\u9054\u5230\u76ee\u7684\u3002\u6839\u64da\u5177\u9ad4\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6548\u7387\u548c\u6e96\u78ba\u6027\u3002\u5982\u679c\u4f60\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684\u6578\u64da\u5eab\u89e3\u6c7a\u65b9\u6848\uff0c\u8003\u616e\u4f7f\u7528\u9999\u6e2fVPS<\/a>\u4f86\u642d\u5efa\u4f60\u7684\u6578\u64da\u5eab\u74b0\u5883\uff0c\u4eab\u53d7\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u670d\u52d9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5b78\u7fd2\u5982\u4f55\u5728Oracle\u6578\u64da\u5eab\u4e2d\u5224\u65b7\u8868\u662f\u5426\u5b58\u5728\uff0c\u638c\u63e1\u6709\u6548\u7684\u67e5\u8a62\u6280\u5de7\uff0c\u78ba\u4fdd\u6578\u64da\u7ba1\u7406\u7684\u6e96\u78ba\u6027\u8207\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-174857","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174857","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=174857"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174857\/revisions"}],"predecessor-version":[{"id":174858,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/174857\/revisions\/174858"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=174857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=174857"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=174857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}