{"id":95246,"date":"2024-10-19T23:27:20","date_gmt":"2024-10-19T15:27:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95246\/"},"modified":"2024-10-19T23:27:21","modified_gmt":"2024-10-19T15:27:21","slug":"oracle%e8%87%a8%e6%99%82%e8%a1%a8%e7%9a%84%e5%b9%be%e7%a8%ae%e5%a5%bd%e7%94%a8%e6%96%b9%e6%a1%88%e4%bb%8b%e7%b4%b9","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95246\/","title":{"rendered":"Oracle\u81e8\u6642\u8868\u7684\u5e7e\u7a2e\u597d\u7528\u65b9\u6848\u4ecb\u7d39"},"content":{"rendered":"

Oracle\u81e8\u6642\u8868\u7684\u5e7e\u7a2e\u597d\u7528\u65b9\u6848\u4ecb\u7d39<\/h1>\n

\u5728\u6578\u64da\u5eab\u7ba1\u7406\u4e2d\uff0c\u81e8\u6642\u8868\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5c24\u5176\u662f\u5728Oracle\u6578\u64da\u5eab\u4e2d\u3002\u81e8\u6642\u8868\u5141\u8a31\u7528\u6236\u5728\u6703\u8a71\u6216\u4e8b\u52d9\u671f\u9593\u5b58\u5132\u6578\u64da\uff0c\u9019\u4e9b\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u6216\u4e8b\u52d9\u5b8c\u6210\u5f8c\u6703\u81ea\u52d5\u522a\u9664\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5e7e\u7a2e\u5728Oracle\u4e2d\u4f7f\u7528\u81e8\u6642\u8868\u7684\u597d\u7528\u65b9\u6848\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u6709\u6548\u5730\u7ba1\u7406\u6578\u64da\u3002<\/p>\n

1. \u57fa\u672c\u7684\u81e8\u6642\u8868\u5275\u5efa<\/h2>\n

\u5728Oracle\u4e2d\uff0c\u5275\u5efa\u81e8\u6642\u8868\u7684\u8a9e\u6cd5\u8207\u666e\u901a\u8868\u985e\u4f3c\uff0c\u4f46\u9700\u8981\u4f7f\u7528\u95dc\u9375\u5b57 TEMPORARY<\/code>\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u4f8b\u5b50\uff1a<\/p>\n

CREATE GLOBAL TEMPORARY TABLE temp_table (\n    id NUMBER,\n    name VARCHAR2(50)\n) ON COMMIT DELETE ROWS;<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cON COMMIT DELETE ROWS<\/code> \u8868\u793a\u5728\u6bcf\u6b21\u63d0\u4ea4\u5f8c\uff0c\u81e8\u6642\u8868\u4e2d\u7684\u6578\u64da\u5c07\u88ab\u522a\u9664\u3002\u9019\u5c0d\u65bc\u9700\u8981\u5728\u4e8b\u52d9\u671f\u9593\u5b58\u5132\u6578\u64da\u7684\u60c5\u6cc1\u975e\u5e38\u6709\u7528\u3002<\/p>\n
2. \u4f7f\u7528\u81e8\u6642\u8868\u9032\u884c\u6578\u64da\u8655\u7406<\/h2>\n
\u81e8\u6642\u8868\u53ef\u4ee5\u7528\u4f86\u5b58\u5132\u4e2d\u9593\u7d50\u679c\uff0c\u7279\u5225\u662f\u5728\u9032\u884c\u8907\u96dc\u67e5\u8a62\u6642\u3002\u4f8b\u5982\uff0c\u7576\u9700\u8981\u5f9e\u591a\u500b\u8868\u4e2d\u63d0\u53d6\u6578\u64da\u4e26\u9032\u884c\u8a08\u7b97\u6642\uff0c\u53ef\u4ee5\u5148\u5c07\u7d50\u679c\u5b58\u5132\u5728\u81e8\u6642\u8868\u4e2d\uff0c\u7136\u5f8c\u518d\u9032\u884c\u9032\u4e00\u6b65\u7684\u8655\u7406\uff1a<\/p>\n
INSERT INTO temp_table (id, name)\nSELECT id, name FROM employees WHERE department_id = 10;\n\nSELECT * FROM temp_table WHERE name LIKE 'A%';<\/code><\/pre>\n
\u9019\u6a23\u7684\u505a\u6cd5\u4e0d\u50c5\u63d0\u9ad8\u4e86\u67e5\u8a62\u7684\u6548\u7387\uff0c\u9084\u4f7f\u5f97\u4ee3\u78bc\u66f4\u52a0\u6e05\u6670\u6613\u61c2\u3002<\/p>\n
3. \u6703\u8a71\u7d1a\u548c\u4e8b\u52d9\u7d1a\u81e8\u6642\u8868<\/h2>\n
Oracle\u652f\u6301\u5169\u7a2e\u81e8\u6642\u8868\uff1a\u6703\u8a71\u7d1a\u81e8\u6642\u8868\u548c\u4e8b\u52d9\u7d1a\u81e8\u6642\u8868\u3002\u6703\u8a71\u7d1a\u81e8\u6642\u8868\u7684\u6578\u64da\u5728\u6703\u8a71\u7d50\u675f\u6642\u522a\u9664\uff0c\u800c\u4e8b\u52d9\u7d1a\u81e8\u6642\u8868\u7684\u6578\u64da\u5728\u4e8b\u52d9\u63d0\u4ea4\u6216\u56de\u6efe\u6642\u522a\u9664\u3002\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u81e8\u6642\u8868\u985e\u578b\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u8655\u7406\u7684\u9748\u6d3b\u6027\u3002<\/p>\n
3.1 \u6703\u8a71\u7d1a\u81e8\u6642\u8868<\/h3>\n
CREATE GLOBAL TEMPORARY TABLE session_temp_table (\n    id NUMBER,\n    name VARCHAR2(50)\n) ON COMMIT PRESERVE ROWS;<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0cON COMMIT PRESERVE ROWS<\/code> \u8868\u793a\u6578\u64da\u5728\u4e8b\u52d9\u63d0\u4ea4\u5f8c\u4ecd\u7136\u4fdd\u7559\uff0c\u76f4\u5230\u6703\u8a71\u7d50\u675f\u3002<\/p>\n
3.2 \u4e8b\u52d9\u7d1a\u81e8\u6642\u8868<\/h3>\n
CREATE GLOBAL TEMPORARY TABLE transaction_temp_table (\n    id NUMBER,\n    name VARCHAR2(50)\n) ON COMMIT DELETE ROWS;<\/code><\/pre>\n
\u9019\u6a23\u7684\u8a2d\u7f6e\u9069\u5408\u9700\u8981\u5728\u4e8b\u52d9\u5167\u90e8\u9032\u884c\u6578\u64da\u8655\u7406\u7684\u5834\u666f\u3002<\/p>\n
4. \u6027\u80fd\u8003\u91cf<\/h2>\n
\u4f7f\u7528\u81e8\u6642\u8868\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u67e5\u8a62\u6027\u80fd\uff0c\u7279\u5225\u662f\u5728\u8655\u7406\u5927\u91cf\u6578\u64da\u6642\u3002\u7531\u65bc\u81e8\u6642\u8868\u7684\u6578\u64da\u4e0d\u6703\u5f71\u97ff\u5230\u5176\u4ed6\u7528\u6236\u7684\u67e5\u8a62\uff0c\u56e0\u6b64\u53ef\u4ee5\u6e1b\u5c11\u9396\u5b9a\u548c\u7b49\u5f85\u6642\u9593\u3002\u6b64\u5916\uff0c\u81e8\u6642\u8868\u7684\u6578\u64da\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u9019\u4f7f\u5f97\u6578\u64da\u7684\u8b80\u53d6\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n
5. \u6e05\u7406\u81e8\u6642\u8868<\/h2>\n
\u96d6\u7136\u81e8\u6642\u8868\u7684\u6578\u64da\u6703\u5728\u6703\u8a71\u6216\u4e8b\u52d9\u7d50\u675f\u6642\u81ea\u52d5\u522a\u9664\uff0c\u4f46\u5728\u67d0\u4e9b\u60c5\u6cc1\u4e0b\uff0c\u958b\u767c\u8005\u53ef\u80fd\u9700\u8981\u624b\u52d5\u6e05\u7406\u81e8\u6642\u8868\u4e2d\u7684\u6578\u64da\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u53e5\u4f86\u6e05\u7a7a\u81e8\u6642\u8868\uff1a<\/p>\n
DELETE FROM temp_table;<\/code><\/pre>\n
\u9019\u6a23\u53ef\u4ee5\u78ba\u4fdd\u81e8\u6642\u8868\u5728\u4e0b\u6b21\u4f7f\u7528\u524d\u662f\u7a7a\u7684\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6578\u64da\u5e72\u64fe\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
Oracle\u81e8\u6642\u8868\u662f\u4e00\u500b\u5f37\u5927\u7684\u5de5\u5177\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5728\u6578\u64da\u8655\u7406\u904e\u7a0b\u4e2d\u63d0\u9ad8\u6548\u7387\u548c\u9748\u6d3b\u6027\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5b58\u5132\u4e2d\u9593\u7d50\u679c\uff0c\u9084\u662f\u9032\u884c\u8907\u96dc\u67e5\u8a62\uff0c\u81e8\u6642\u8868\u90fd\u80fd\u63d0\u4f9b\u826f\u597d\u7684\u652f\u6301\u3002\u4e86\u89e3\u5982\u4f55\u6709\u6548\u5730\u4f7f\u7528\u81e8\u6642\u8868\uff0c\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6578\u64da\u5eab\u64cd\u4f5c\u7684\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u5c0d\u65bc \u9999\u6e2fVPS<\/a> \u670d\u52d9\u6709\u8208\u8da3\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u89e3\u6c7a\u65b9\u6848\uff0c\u5e6b\u52a9\u60a8\u66f4\u597d\u5730\u7ba1\u7406\u60a8\u7684\u6578\u64da\u5eab\u548c\u61c9\u7528\u7a0b\u5e8f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u81e8\u6642\u8868\u7684\u5e7e\u7a2e\u5be6\u7528\u65b9\u6848\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u512a\u5316\u67e5\u8a62\u6027\u80fd\uff0c\u52a9\u529b\u6578\u64da\u7ba1\u7406\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-95246","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95246","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=95246"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95246\/revisions"}],"predecessor-version":[{"id":95247,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95246\/revisions\/95247"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95246"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95246"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95246"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}