{"id":199988,"date":"2025-05-06T09:34:43","date_gmt":"2025-05-06T01:34:43","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199988\/"},"modified":"2025-05-06T09:34:43","modified_gmt":"2025-05-06T01:34:43","slug":"%e9%80%a0%e6%88%90oracle%e6%95%b0%e6%8d%ae%e5%ba%93%e8%a1%a8%e8%a2%ab%e9%94%81%e5%ae%9a%e7%9a%84%e5%8e%9f%e5%9b%a0%e6%9c%89%e5%93%aa%e4%ba%9b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199988\/","title":{"rendered":"\u9020\u6210Oracle\u6570\u636e\u5e93\u8868\u88ab\u9501\u5b9a\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u9020\u6210Oracle\u6570\u636e\u5e93\u8868\u88ab\u9501\u5b9a\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f<\/h1>\n

\u7f16\u7a0b\u5e76\u4e0d\u662f\u4e00\u4e2a\u673a\u68b0\u6027\u7684\u5de5\u4f5c\uff0c\u800c\u662f\u9700\u8981\u6709\u601d\u8003\uff0c\u6709\u521b\u65b0\u7684\u5de5\u4f5c\uff0c\u8bed\u6cd5\u662f\u56fa\u5b9a\u7684\uff0c\u4f46\u89e3\u51b3\u95ee\u9898\u7684\u601d\u8def\u5219\u662f\u4f9d\u9760\u4eba\u7684\u601d\u7ef4\uff0c\u8fd9\u5c31\u9700\u8981\u6211\u4eec\u575a\u6301\u5b66\u4e60\u548c\u66f4\u65b0\u81ea\u5df1\u7684\u77e5\u8bc6\u3002\u4eca\u5929\u4e3b\u673a\u5b9d\u8d1d\u5c31\u6574\u7406\u5206\u4eab\u300a\u9020\u6210Oracle\u6570\u636e\u5e93\u8868\u88ab\u9501\u5b9a\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f\u300b\uff0c\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec\uff0c\u5982\u679c\u4f60\u5bf9\u6570\u636e\u5e93\u65b9\u9762\u7684\u77e5\u8bc6\u70b9\u611f\u5174\u8da3\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u4e3b\u673a\u5b9d\u8d1d\uff0c\u5728\u8fd9\u53ef\u4ee5\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5f00\u53d1\u80fd\u529b\u7684\u63d0\u5347\u3002<\/p>\n

Oracle\u6570\u636e\u5e93\u4e2d\u54ea\u4e9b\u60c5\u51b5\u4f1a\u5bfc\u81f4\u8868\u88ab\u9501\u5b9a\uff1f<\/p>\n

\u5728Oracle\u6570\u636e\u5e93\u4e2d\uff0c\u8868\u88ab\u9501\u5b9a\u662f\u4e00\u4e2a\u6bd4\u8f83\u5e38\u89c1\u7684\u60c5\u51b5\uff0c\u4e00\u822c\u662f\u7531\u4e8e\u7528\u6237\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\u65f6\u5bfc\u81f4\u7684\u3002\u5e38\u89c1\u7684\u8868\u88ab\u9501\u5b9a\u7684\u60c5\u51b5\u5305\u62ec\u884c\u7ea7\u9501\u5b9a\u3001\u4e8b\u52a1\u7ea7\u9501\u5b9a\uff0c\u4ee5\u53caDDL\u64cd\u4f5c\u7b49\u3002\u4e0b\u9762\u5c06\u5177\u4f53\u4ecb\u7ecd\u8fd9\u4e9b\u60c5\u51b5\u5e76\u7ed9\u51fa\u76f8\u5e94\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u884c\u7ea7\u9501\u5b9a\uff1a
    \u5f53\u7528\u6237\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u5bf9\u8868\u8fdb\u884c\u66f4\u65b0\u64cd\u4f5c\u65f6\uff0c\u6570\u636e\u5e93\u4f1a\u5bf9\u76f8\u5e94\u7684\u6570\u636e\u884c\u8fdb\u884c\u9501\u5b9a\uff0c\u9632\u6b62\u5176\u4ed6\u4e8b\u52a1\u540c\u65f6\u4fee\u6539\u8be5\u6570\u636e\u3002\u5982\u679c\u4e8b\u52a1\u6ca1\u6709\u63d0\u4ea4\u6216\u56de\u6eda\uff0c\u90a3\u4e48\u5176\u4ed6\u4e8b\u52a1\u5c06\u65e0\u6cd5\u4fee\u6539\u8be5\u6570\u636e\uff0c\u4ece\u800c\u5bfc\u81f4\u8868\u88ab\u9501\u5b9a\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u884c\u7ea7\u9501\u5b9a\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n
    -- \u4e8b\u52a11\nBEGIN\n    UPDATE employees\n    SET salary = salary * 1.1\n    WHERE department_id = 10\n    FOR UPDATE;\n\n    COMMIT;\nEND;\n\n-- \u4e8b\u52a12\nBEGIN\n    UPDATE employees\n    SET salary = salary * 1.2\n    WHERE employee_id = 100;\n\n    -- \u6b64\u65f6\u56e0\u4e3aemployee_id=100\u88ab\u4e8b\u52a11\u9501\u5b9a\uff0c\u5bfc\u81f4\u4e8b\u52a12\u65e0\u6cd5\u6267\u884c\nEND;<\/pre>\n
      \n
    1. \u4e8b\u52a1\u7ea7\u9501\u5b9a\uff1a
      \u9664\u4e86\u884c\u7ea7\u9501\u5b9a\u5916\uff0c\u6574\u4e2a\u4e8b\u52a1\u4e5f\u4f1a\u5bfc\u81f4\u8868\u88ab\u9501\u5b9a\u3002\u5728\u4e00\u4e2a\u4e8b\u52a1\u4e2d\u5bf9\u8868\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\uff0c\u76f4\u5230\u8be5\u4e8b\u52a1\u63d0\u4ea4\u6216\u56de\u6eda\uff0c\u5176\u4ed6\u4e8b\u52a1\u5c06\u65e0\u6cd5\u4fee\u6539\u8be5\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4e8b\u52a1\u7ea7\u9501\u5b9a\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n
      -- \u4e8b\u52a11\nBEGIN\n    UPDATE employees\n    SET salary = salary * 1.1\n    WHERE department_id = 10;\n\n    -- \u7531\u4e8e\u4f7f\u7528\u4e86\u4e8b\u52a1\uff0c\u6574\u4e2aemployees\u8868\u4f1a\u88ab\u9501\u5b9a\uff0c\u5176\u4ed6\u4e8b\u52a1\u65e0\u6cd5\u4fee\u6539\u6570\u636e\n    COMMIT;\nEND;<\/pre>\n
        \n
      1. DDL\u64cd\u4f5c\uff1a
        \u5728\u8fdb\u884cDDL\u64cd\u4f5c\uff08\u5982ALTER TABLE\u3001DROP TABLE\u7b49\uff09\u65f6\uff0c\u8868\u4f1a\u88ab\u9501\u5b9a\uff0c\u907f\u514d\u5176\u4ed6\u4e8b\u52a1\u5bf9\u8868\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\uff0c\u76f4\u5230DDL\u64cd\u4f5c\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2aDDL\u64cd\u4f5c\u5bfc\u81f4\u8868\u88ab\u9501\u5b9a\u7684\u793a\u4f8b\uff1a<\/li>\n<\/ol>\n
        -- \u4e8b\u52a11\nBEGIN\n    ALTER TABLE employees ADD COLUMN email VARCHAR2(100);\n\n    -- \u7531\u4e8eALTER TABLE\u64cd\u4f5c\uff0cemployees\u8868\u4f1a\u88ab\u9501\u5b9a\uff0c\u5176\u4ed6\u4e8b\u52a1\u65e0\u6cd5\u5bf9\u8868\u8fdb\u884c\u6570\u636e\u64cd\u4f5c\n    COMMIT;\nEND;<\/pre>\n
        \u603b\u4e4b\uff0c\u8868\u88ab\u9501\u5b9a\u662f\u4e00\u4e2a\u5e38\u89c1\u7684\u6570\u636e\u5e93\u64cd\u4f5c\u73b0\u8c61\uff0c\u9700\u8981\u6ce8\u610f\u5728\u7f16\u5199\u4ee3\u7801\u65f6\u907f\u514d\u51fa\u73b0\u4e0d\u5fc5\u8981\u7684\u8868\u9501\u5b9a\uff0c\u4ee5\u63d0\u9ad8\u6570\u636e\u5e93\u7684\u5e76\u53d1\u6027\u80fd\u3002<\/p>\n
        \u5230\u8fd9\u91cc\uff0c\u6211\u4eec\u4e5f\u5c31\u8bb2\u5b8c\u4e86\u300a\u9020\u6210Oracle\u6570\u636e\u5e93\u8868\u88ab\u9501\u5b9a\u7684\u539f\u56e0\u6709\u54ea\u4e9b\uff1f\u300b\u7684\u5185\u5bb9\u4e86\u3002\u4e2a\u4eba\u8ba4\u4e3a\uff0c\u57fa\u7840\u77e5\u8bc6\u7684\u5b66\u4e60\u548c\u5de9\u56fa\uff0c\u662f\u4e3a\u4e86\u66f4\u597d\u7684\u5c06\u5176\u8fd0\u7528\u5230\u9879\u76ee\u4e2d\uff0c\u6b22\u8fce\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff0c\u5e26\u4f60\u4e86\u89e3\u66f4\u591a\u5173\u4e8eOracle,\u9501\u5b9a,\u8868\u7684\u77e5\u8bc6\u70b9\uff01<\/p>\n
        \n
        \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
        \u9020\u6210Oracle\u6570\u636e\u5e93\u8868\u88ab\u9501\u5b9a\u7684...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-199988","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199988","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=199988"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199988\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199988"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199988"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199988"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}