{"id":95402,"date":"2024-10-20T00:45:17","date_gmt":"2024-10-19T16:45:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/95402\/"},"modified":"2024-10-20T00:45:18","modified_gmt":"2024-10-19T16:45:18","slug":"oracle%e6%95%b8%e6%93%9a%e6%8f%92%e5%85%a5%e7%9a%84%e6%80%a7%e8%83%bd%e5%84%aa%e5%8c%96%e7%9a%84%e6%8f%8f%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/95402\/","title":{"rendered":"Oracle\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u512a\u5316\u7684\u63cf\u8ff0"},"content":{"rendered":"

Oracle\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u512a\u5316\u7684\u63cf\u8ff0<\/h1>\n

\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u6578\u64da\u5eab\u7684\u6027\u80fd\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6574\u9ad4\u6548\u7387\u81f3\u95dc\u91cd\u8981\u3002Oracle\u6578\u64da\u5eab\u4f5c\u70ba\u4e00\u500b\u5f37\u5927\u7684\u95dc\u4fc2\u578b\u6578\u64da\u5eab\u7ba1\u7406\u7cfb\u7d71\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u65b9\u6cd5\u4f86\u512a\u5316\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u4e00\u4e9b\u6709\u6548\u7684\u6027\u80fd\u512a\u5316\u7b56\u7565\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u63d0\u9ad8\u6578\u64da\u63d2\u5165\u7684\u6548\u7387\u3002<\/p>\n

1. \u6279\u91cf\u63d2\u5165<\/h2>\n

\u6279\u91cf\u63d2\u5165\u662f\u63d0\u9ad8\u6578\u64da\u63d2\u5165\u6027\u80fd\u7684\u4e00\u7a2e\u6709\u6548\u65b9\u6cd5\u3002\u8207\u9010\u884c\u63d2\u5165\u76f8\u6bd4\uff0c\u6279\u91cf\u63d2\u5165\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u8207\u6578\u64da\u5eab\u7684\u4ea4\u4e92\u6b21\u6578\uff0c\u5f9e\u800c\u964d\u4f4e\u7db2\u7d61\u5ef6\u9072\u548c\u4e8b\u52d9\u958b\u92b7\u3002<\/p>\n

INSERT ALL\n    INTO employees (id, name, department) VALUES (1, 'Alice', 'HR')\n    INTO employees (id, name, department) VALUES (2, 'Bob', 'IT')\n    INTO employees (id, name, department) VALUES (3, 'Charlie', 'Finance')\nSELECT * FROM dual;<\/code><\/pre>\n
\u4e0a\u8ff0\u793a\u4f8b\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528INSERT ALL\u8a9e\u53e5\u9032\u884c\u6279\u91cf\u63d2\u5165\uff0c\u9019\u6a23\u53ef\u4ee5\u5728\u4e00\u6b21\u64cd\u4f5c\u4e2d\u63d2\u5165\u591a\u689d\u8a18\u9304\u3002<\/p>\n
2. \u4f7f\u7528\u76f4\u63a5\u8def\u5f91\u63d2\u5165<\/h2>\n
\u76f4\u63a5\u8def\u5f91\u63d2\u5165\uff08Direct Path Insert\uff09\u662f\u4e00\u7a2e\u5c07\u6578\u64da\u76f4\u63a5\u5beb\u5165\u6578\u64da\u6587\u4ef6\u7684\u65b9\u6cd5\uff0c\u7e5e\u904e\u4e86\u7de9\u885d\u5340\u548c\u65e5\u8a8c\u8a18\u9304\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u5927\u91cf\u6578\u64da\u7684\u63d2\u5165\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u63d2\u5165\u901f\u5ea6\u3002<\/p>\n
INSERT \/*+ APPEND *\/ INTO employees\nSELECT * FROM new_employees;<\/code><\/pre>\n
\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u4e86APPEND\u63d0\u793a\u4f86\u544a\u8a34Oracle\u4f7f\u7528\u76f4\u63a5\u8def\u5f91\u63d2\u5165\uff0c\u9019\u6a23\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/p>\n
3. \u7981\u7528\u7d22\u5f15\u548c\u7d04\u675f<\/h2>\n
\u5728\u9032\u884c\u5927\u91cf\u6578\u64da\u63d2\u5165\u6642\uff0c\u7981\u7528\u7d22\u5f15\u548c\u7d04\u675f\u53ef\u4ee5\u986f\u8457\u63d0\u9ad8\u6027\u80fd\u3002\u56e0\u70ba\u5728\u63d2\u5165\u6578\u64da\u6642\uff0cOracle\u9700\u8981\u66f4\u65b0\u7d22\u5f15\u548c\u6aa2\u67e5\u7d04\u675f\uff0c\u9019\u6703\u589e\u52a0\u958b\u92b7\u3002<\/p>\n
ALTER TABLE employees DISABLE CONSTRAINT emp_dept_fk;\nALTER INDEX emp_idx UNUSABLE;<\/code><\/pre>\n
\u5728\u63d2\u5165\u5b8c\u6210\u5f8c\uff0c\u53ef\u4ee5\u91cd\u65b0\u555f\u7528\u7d04\u675f\u548c\u91cd\u5efa\u7d22\u5f15\uff1a<\/p>\n
ALTER TABLE employees ENABLE CONSTRAINT emp_dept_fk;\nALTER INDEX emp_idx REBUILD;<\/code><\/pre>\n
4. \u4f7f\u7528\u9069\u7576\u7684\u4e8b\u52d9\u7ba1\u7406<\/h2>\n
\u4e8b\u52d9\u7ba1\u7406\u5c0d\u65bc\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u4e5f\u6709\u91cd\u8981\u5f71\u97ff\u3002\u5c07\u591a\u500b\u63d2\u5165\u64cd\u4f5c\u653e\u5728\u540c\u4e00\u4e8b\u52d9\u4e2d\uff0c\u53ef\u4ee5\u6e1b\u5c11\u4e8b\u52d9\u7684\u958b\u92b7\u3002<\/p>\n
BEGIN\n    INSERT INTO employees (id, name, department) VALUES (4, 'David', 'HR');\n    INSERT INTO employees (id, name, department) VALUES (5, 'Eva', 'IT');\n    COMMIT;\nEND;<\/code><\/pre>\n
5. \u8abf\u6574\u521d\u59cb\u5316\u53c3\u6578<\/h2>\n
Oracle\u6578\u64da\u5eab\u7684\u521d\u59cb\u5316\u53c3\u6578\u5c0d\u6027\u80fd\u6709\u76f4\u63a5\u5f71\u97ff\u3002\u4f8b\u5982\uff0c\u8abf\u6574SGA\uff08System Global Area\uff09\u548cPGA\uff08Program Global Area\uff09\u7684\u5927\u5c0f\uff0c\u53ef\u4ee5\u63d0\u9ad8\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u3002\u9069\u7576\u7684\u5167\u5b58\u914d\u7f6e\u53ef\u4ee5\u6e1b\u5c11\u78c1\u789fI\/O\uff0c\u5f9e\u800c\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n
6. \u4f7f\u7528\u5206\u5340\u8868<\/h2>\n
\u5c0d\u65bc\u5927\u578b\u6578\u64da\u96c6\uff0c\u4f7f\u7528\u5206\u5340\u8868\u53ef\u4ee5\u63d0\u9ad8\u63d2\u5165\u6027\u80fd\u3002\u5206\u5340\u8868\u5141\u8a31\u5c07\u6578\u64da\u5206\u6563\u5230\u4e0d\u540c\u7684\u7269\u7406\u5340\u57df\uff0c\u9019\u6a23\u53ef\u4ee5\u6e1b\u5c11\u9396\u7af6\u722d\u548c\u63d0\u9ad8\u4e26\u884c\u63d2\u5165\u7684\u80fd\u529b\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
\u512a\u5316Oracle\u6578\u64da\u63d2\u5165\u6027\u80fd\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5305\u62ec\u6279\u91cf\u63d2\u5165\u3001\u76f4\u63a5\u8def\u5f91\u63d2\u5165\u3001\u7981\u7528\u7d22\u5f15\u548c\u7d04\u675f\u3001\u9069\u7576\u7684\u4e8b\u52d9\u7ba1\u7406\u3001\u8abf\u6574\u521d\u59cb\u5316\u53c3\u6578\u4ee5\u53ca\u4f7f\u7528\u5206\u5340\u8868\u7b49\u3002\u9019\u4e9b\u7b56\u7565\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u548c\u6578\u64da\u5eab\u7ba1\u7406\u54e1\u63d0\u9ad8\u6578\u64da\u63d2\u5165\u7684\u6548\u7387\uff0c\u5f9e\u800c\u63d0\u5347\u6574\u9ad4\u7cfb\u7d71\u7684\u6027\u80fd\u3002<\/p>\n
\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u64cd\u4f5c\uff0cServer.HK \u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f \u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6 \u4e91\u670d\u52a1\u5668<\/a> \u65b9\u6848\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22Oracle\u6578\u64da\u63d2\u5165\u7684\u6027\u80fd\u512a\u5316\u6280\u5de7\uff0c\u63d0\u9ad8\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u6e1b\u5c11\u5ef6\u9072\uff0c\u78ba\u4fdd\u7cfb\u7d71\u7a69\u5b9a\u904b\u884c\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-95402","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95402","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=95402"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95402\/revisions"}],"predecessor-version":[{"id":95403,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/95402\/revisions\/95403"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=95402"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=95402"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=95402"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}