{"id":185624,"date":"2024-11-10T23:08:23","date_gmt":"2024-11-10T15:08:23","guid":{"rendered":"https:\/\/server.hk\/cnblog\/185624\/"},"modified":"2024-11-10T23:08:24","modified_gmt":"2024-11-10T15:08:24","slug":"%e6%94%b6%e8%97%8f%ef%bc%81oracle%e5%b8%b8%e7%94%a8%e6%95%b8%e6%93%9a%e5%ad%97%e5%85%b8%e8%a1%a8%e3%80%81%e8%a6%96%e5%9c%96%e7%9a%84%e7%b8%bd%e7%b5%90%ef%bc%8c%e9%83%bd%e5%9c%a8%e9%80%99%e8%a3%a1","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/185624\/","title":{"rendered":"\u6536\u85cf\uff01Oracle\u5e38\u7528\u6578\u64da\u5b57\u5178\u8868\u3001\u8996\u5716\u7684\u7e3d\u7d50\uff0c\u90fd\u5728\u9019\u88e1\u4e86"},"content":{"rendered":"

\u6536\u85cf\uff01Oracle\u5e38\u7528\u6578\u64da\u5b57\u5178\u8868\u3001\u8996\u5716\u7684\u7e3d\u7d50\uff0c\u90fd\u5728\u9019\u88e1\u4e86<\/h1>\n

\u5728\u4f7f\u7528Oracle\u6578\u64da\u5eab\u7684\u904e\u7a0b\u4e2d\uff0c\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\u662f\u975e\u5e38\u91cd\u8981\u7684\u5de5\u5177\u3002\u5b83\u5011\u63d0\u4f9b\u4e86\u95dc\u65bc\u6578\u64da\u5eab\u7d50\u69cb\u3001\u7528\u6236\u6b0a\u9650\u3001\u6578\u64da\u5c0d\u8c61\u7b49\u7684\u8a73\u7d30\u4fe1\u606f\u3002\u672c\u6587\u5c07\u7e3d\u7d50\u4e00\u4e9b\u5e38\u7528\u7684Oracle\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\uff0c\u5e6b\u52a9\u7528\u6236\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Oracle\u6578\u64da\u5eab\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u6578\u64da\u5b57\u5178\uff1f<\/h2>\n

\u6578\u64da\u5b57\u5178\u662fOracle\u6578\u64da\u5eab\u7684\u4e00\u90e8\u5206\uff0c\u5305\u542b\u4e86\u6578\u64da\u5eab\u4e2d\u6240\u6709\u5c0d\u8c61\u7684\u5143\u6578\u64da\u3002\u9019\u4e9b\u5143\u6578\u64da\u5305\u62ec\u8868\u3001\u7d22\u5f15\u3001\u7528\u6236\u3001\u6b0a\u9650\u7b49\u4fe1\u606f\u3002\u6578\u64da\u5b57\u5178\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u5e6b\u52a9\u7528\u6236\u548c\u7ba1\u7406\u54e1\u4e86\u89e3\u6578\u64da\u5eab\u7684\u7d50\u69cb\u548c\u72c0\u614b\u3002<\/p>\n

\u5e38\u7528\u7684\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716<\/h2>\n

1. USER_TABLES<\/h3>\n

USER_TABLES\u8996\u5716\u986f\u793a\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u8868\u7684\u4fe1\u606f\u3002\u9019\u4e9b\u4fe1\u606f\u5305\u62ec\u8868\u540d\u3001\u8868\u7684\u5275\u5efa\u6642\u9593\u3001\u8868\u7684\u884c\u6578\u7b49\u3002<\/p>\n

SELECT table_name, created, num_rows \nFROM user_tables;<\/code><\/pre>\n
2. ALL_TABLES<\/h3>\n
ALL_TABLES\u8996\u5716\u986f\u793a\u7576\u524d\u7528\u6236\u53ef\u4ee5\u8a2a\u554f\u7684\u6240\u6709\u8868\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u5176\u4ed6\u7528\u6236\u7684\u8868\u3002\u9019\u5c0d\u65bc\u9700\u8981\u8de8\u7528\u6236\u8a2a\u554f\u6578\u64da\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/p>\n
SELECT owner, table_name, num_rows \nFROM all_tables;<\/code><\/pre>\n
3. DBA_TABLES<\/h3>\n
DBA_TABLES\u8996\u5716\u986f\u793a\u6578\u64da\u5eab\u4e2d\u6240\u6709\u8868\u7684\u4fe1\u606f\uff0c\u50c5\u9650\u65bc\u64c1\u6709DBA\u6b0a\u9650\u7684\u7528\u6236\u4f7f\u7528\u3002\u9019\u662f\u7ba1\u7406\u54e1\u67e5\u770b\u6574\u500b\u6578\u64da\u5eab\u7d50\u69cb\u7684\u91cd\u8981\u5de5\u5177\u3002<\/p>\n
SELECT owner, table_name, num_rows \nFROM dba_tables;<\/code><\/pre>\n
4. USER_TAB_COLUMNS<\/h3>\n
USER_TAB_COLUMNS\u8996\u5716\u63d0\u4f9b\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\uff0c\u5305\u62ec\u5217\u540d\u3001\u6578\u64da\u985e\u578b\u3001\u662f\u5426\u53ef\u4ee5\u70baNULL\u7b49\u3002<\/p>\n
SELECT table_name, column_name, data_type, nullable \nFROM user_tab_columns;<\/code><\/pre>\n
5. ALL_TAB_COLUMNS<\/h3>\n
ALL_TAB_COLUMNS\u8996\u5716\u986f\u793a\u7576\u524d\u7528\u6236\u53ef\u4ee5\u8a2a\u554f\u7684\u6240\u6709\u8868\u7684\u5217\u4fe1\u606f\uff0c\u9019\u5c0d\u65bc\u9700\u8981\u4e86\u89e3\u5176\u4ed6\u7528\u6236\u8868\u7d50\u69cb\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/p>\n
SELECT owner, table_name, column_name, data_type \nFROM all_tab_columns;<\/code><\/pre>\n
6. USER_INDEXES<\/h3>\n
USER_INDEXES\u8996\u5716\u986f\u793a\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u7d22\u5f15\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u7d22\u5f15\u540d\u3001\u8868\u540d\u3001\u7d22\u5f15\u985e\u578b\u7b49\u3002<\/p>\n
SELECT index_name, table_name, uniqueness \nFROM user_indexes;<\/code><\/pre>\n
7. USER_CONSTRAINTS<\/h3>\n
USER_CONSTRAINTS\u8996\u5716\u63d0\u4f9b\u7576\u524d\u7528\u6236\u64c1\u6709\u7684\u6240\u6709\u7d04\u675f\u7684\u4fe1\u606f\uff0c\u5305\u62ec\u4e3b\u9375\u3001\u5916\u9375\u3001\u552f\u4e00\u7d04\u675f\u7b49\u3002<\/p>\n
SELECT constraint_name, constraint_type, table_name \nFROM user_constraints;<\/code><\/pre>\n
\u5982\u4f55\u4f7f\u7528\u6578\u64da\u5b57\u5178<\/h2>\n
\u4f7f\u7528\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\u6642\uff0c\u5efa\u8b70\u7528\u6236\u6839\u64da\u81ea\u5df1\u7684\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u8996\u5716\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u53ea\u9700\u8981\u67e5\u770b\u81ea\u5df1\u64c1\u6709\u7684\u8868\uff0c\u53ef\u4ee5\u4f7f\u7528USER_TABLES\uff1b\u5982\u679c\u9700\u8981\u67e5\u770b\u6240\u6709\u53ef\u8a2a\u554f\u7684\u8868\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528ALL_TABLES\u3002\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u67e5\u8a62\u6548\u7387\uff0c\u6e1b\u5c11\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u8655\u7406\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Oracle\u7684\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\u662f\u6578\u64da\u5eab\u7ba1\u7406\u548c\u64cd\u4f5c\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u5de5\u5177\u3002\u901a\u904e\u719f\u6089\u9019\u4e9b\u5e38\u7528\u7684\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\uff0c\u4f7f\u7528\u8005\u53ef\u4ee5\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u5eab\uff0c\u7372\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002\u7121\u8ad6\u662f\u958b\u767c\u8005\u9084\u662f\u6578\u64da\u5eab\u7ba1\u7406\u54e1\uff0c\u638c\u63e1\u9019\u4e9b\u5de5\u5177\u90fd\u80fd\u63d0\u5347\u5de5\u4f5c\u6548\u7387\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\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\u53ef\u9760\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6536\u85cf\uff01\u9019\u88e1\u7e3d\u7d50\u4e86Oracle\u5e38\u7528\u6578\u64da\u5b57\u5178\u8868\u548c\u8996\u5716\uff0c\u65b9\u4fbf\u67e5\u8a62\u548c\u5b78\u7fd2\uff0c\u52a9\u4f60\u63d0\u5347\u6578\u64da\u5eab\u7ba1\u7406\u6280\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-185624","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185624","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=185624"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185624\/revisions"}],"predecessor-version":[{"id":185625,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/185624\/revisions\/185625"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=185624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=185624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=185624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}