{"id":199826,"date":"2025-05-06T09:23:42","date_gmt":"2025-05-06T01:23:42","guid":{"rendered":"https:\/\/server.hk\/cnblog\/199826\/"},"modified":"2025-05-06T09:23:42","modified_gmt":"2025-05-06T01:23:42","slug":"%e6%b5%8b%e8%af%95oracle%e5%ae%89%e8%a3%85%e6%98%af%e5%90%a6%e6%88%90%e5%8a%9f%e7%9a%84%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/199826\/","title":{"rendered":"\u6d4b\u8bd5Oracle\u5b89\u88c5\u662f\u5426\u6210\u529f\u7684\u65b9\u6cd5"},"content":{"rendered":"

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

\u6d4b\u8bd5Oracle\u5b89\u88c5\u662f\u5426\u6210\u529f\u7684\u65b9\u6cd5<\/h1>\n

\u73cd\u60dc\u65f6\u95f4\uff0c\u52e4\u594b\u5b66\u4e60\uff01\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u6b63\u6587\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\u7b49\u7b49\uff0c\u5982\u679c\u4f60\u6b63\u5728\u5b66\u4e60\uff0c\u6216\u8005\u662f\u5bf9\u6709\u7591\u95ee\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u6211\uff01\u540e\u9762\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u5185\u5bb9\u7684\uff0c\u5e0c\u671b\u90fd\u80fd\u5e2e\u5230\u6b63\u5728\u5b66\u4e60\u7684\u5927\u5bb6\uff01<\/p>\n

Oracle\u662f\u4e00\u6b3e\u529f\u80fd\u5f3a\u5927\u7684\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\uff0c\u5b83\u53ef\u4ee5\u5e2e\u52a9\u7528\u6237\u5b58\u50a8\u548c\u7ba1\u7406\u5927\u91cf\u6570\u636e\u3002\u6210\u529f\u5b89\u88c5Oracle\u540e\uff0c\u4e3a\u4e86\u786e\u4fdd\u7cfb\u7edf\u80fd\u591f\u6b63\u5e38\u8fd0\u884c\uff0c\u6211\u4eec\u9700\u8981\u6d4b\u8bd5\u4e00\u4e9b\u57fa\u672c\u7684\u529f\u80fd\u3002\u4e0b\u9762\u5c06\u4ecb\u7ecd\u4e00\u4e9b\u6d4b\u8bd5\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u7684\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

    \n
  1. \u8fde\u63a5\u5230Oracle\u6570\u636e\u5e93\uff1a<\/li>\n<\/ol>\n

    \u5728\u5b89\u88c5Oracle\u6570\u636e\u5e93\u540e\uff0c\u6211\u4eec\u9700\u8981\u786e\u4fdd\u80fd\u591f\u6210\u529f\u8fde\u63a5\u5230\u6570\u636e\u5e93\u3002\u53ef\u4ee5\u4f7f\u7528SQL*Plus\u6765\u8fde\u63a5\u6570\u636e\u5e93\uff0c\u5e76\u6267\u884c\u4e00\u4e9b\u7b80\u5355\u7684\u67e5\u8be2\u8bed\u53e5\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

    sqlplus username\/password@database_instance<\/pre>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cusername<\/code>\u662f\u6570\u636e\u5e93\u7528\u6237\u7684\u7528\u6237\u540d\uff0cpassword<\/code>\u662f\u7528\u6237\u7684\u5bc6\u7801\uff0cdatabase_instance<\/code>\u662f\u6570\u636e\u5e93\u5b9e\u4f8b\u7684\u540d\u79f0\u3002\u6210\u529f\u8fde\u63a5\u540e\uff0c\u53ef\u4ee5\u6267\u884c\u4e00\u4e9b\u57fa\u672c\u7684\u67e5\u8be2\u8bed\u53e5\uff0c\u4f8b\u5982\uff1a<\/p>\n
    SELECT * FROM dual;<\/pre>\n
    \u5982\u679c\u80fd\u591f\u6210\u529f\u6267\u884c\u67e5\u8be2\u8bed\u53e5\u5e76\u5f97\u5230\u6b63\u786e\u7684\u7ed3\u679c\uff0c\u90a3\u4e48\u8bf4\u660e\u8fde\u63a5\u6210\u529f\u3002<\/p>\n
      \n
    1. \u521b\u5efa\u8868\u548c\u63d2\u5165\u6570\u636e\uff1a<\/li>\n<\/ol>\n
      \u6d4b\u8bd5\u6570\u636e\u5e93\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u65b9\u9762\u662f\u786e\u4fdd\u80fd\u591f\u6210\u529f\u521b\u5efa\u8868\u5e76\u63d2\u5165\u6570\u636e\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u521b\u5efa\u8868\u548c\u63d2\u5165\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      CREATE TABLE employees (\n    employee_id NUMBER,\n    employee_name VARCHAR2(50),\n    department VARCHAR2(50)\n);\n\nINSERT INTO employees VALUES (1, 'Alice', 'HR');\nINSERT INTO employees VALUES (2, 'Bob', 'IT');<\/pre>\n
      \u901a\u8fc7\u6267\u884c\u4e0a\u9762\u7684\u4ee3\u7801\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u540d\u4e3aemployees<\/code>\u7684\u8868\uff0c\u5e76\u63d2\u5165\u4e00\u4e9b\u6570\u636e\u3002\u53ef\u4ee5\u4f7f\u7528SELECT\u8bed\u53e5\u9a8c\u8bc1\u6570\u636e\u662f\u5426\u6210\u529f\u63d2\u5165\u3002<\/p>\n
        \n
      1. \u67e5\u8be2\u6570\u636e\uff1a<\/li>\n<\/ol>\n
        \u6d4b\u8bd5\u6570\u636e\u5e93\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6267\u884c\u5404\u79cd\u67e5\u8be2\u64cd\u4f5c\u3002\u4e0b\u9762\u662f\u4e00\u4e9b\u67e5\u8be2\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
        -- \u67e5\u8be2\u6240\u6709\u5458\u5de5\u4fe1\u606f\nSELECT * FROM employees;\n\n-- \u67e5\u8be2\u90e8\u95e8\u4e3a\u2018IT\u2019\u7684\u5458\u5de5\u4fe1\u606f\nSELECT * FROM employees WHERE department = 'IT';\n\n-- \u67e5\u8be2\u5458\u5de5\u6570\u91cf\nSELECT COUNT(*) FROM employees;<\/pre>\n
        \u901a\u8fc7\u6267\u884c\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u6d4b\u8bd5\u67e5\u8be2\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002<\/p>\n
          \n
        1. \u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\uff1a<\/li>\n<\/ol>\n
          \u9664\u4e86\u67e5\u8be2\u5916\uff0c\u8fd8\u9700\u8981\u6d4b\u8bd5\u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\u7684\u529f\u80fd\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
          -- \u66f4\u65b0\u5458\u5de5Alice\u7684\u90e8\u95e8\u4e3a\u2018Finance\u2019\nUPDATE employees SET department = 'Finance' WHERE employee_name = 'Alice';\n\n-- \u5220\u9664\u90e8\u95e8\u4e3a\u2018IT\u2019\u7684\u5458\u5de5\u4fe1\u606f\nDELETE FROM employees WHERE department = 'IT';<\/pre>\n
          \u901a\u8fc7\u6267\u884c\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u6d4b\u8bd5\u66f4\u65b0\u548c\u5220\u9664\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002<\/p>\n
            \n
          1. \u4e8b\u52a1\u7ba1\u7406\uff1a<\/li>\n<\/ol>\n
            \u6700\u540e\u4e00\u4e2a\u91cd\u8981\u7684\u6d4b\u8bd5\u662f\u4e8b\u52a1\u7ba1\u7406\u3002\u5728Oracle\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u52a1\u6765\u786e\u4fdd\u4e00\u7ec4\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u6267\u884c\uff0c\u8981\u4e48\u5168\u90e8\u4e0d\u6267\u884c\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u4e8b\u52a1\u7ba1\u7406\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
            BEGIN\n    INSERT INTO employees VALUES (3, 'Charlie', 'Sales');\n    UPDATE employees SET department = 'Marketing' WHERE employee_id = 1;\n    DELETE FROM employees WHERE employee_id = 2;\n    COMMIT;\nEND;<\/pre>\n
            \u901a\u8fc7\u6267\u884c\u4e0a\u9762\u7684\u4ee3\u7801\u53ef\u4ee5\u6d4b\u8bd5\u4e8b\u52a1\u7ba1\u7406\u529f\u80fd\u662f\u5426\u6b63\u5e38\u3002<\/p>\n
            \u603b\u7ed3\uff1a\u6210\u529f\u5b89\u88c5Oracle\u540e\uff0c\u6d4b\u8bd5\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3001\u521b\u5efa\u8868\u3001\u63d2\u5165\u6570\u636e\u3001\u67e5\u8be2\u6570\u636e\u3001\u66f4\u65b0\u548c\u5220\u9664\u6570\u636e\u4ee5\u53ca\u4e8b\u52a1\u7ba1\u7406\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u901a\u8fc7\u4ee5\u4e0a\u4ecb\u7ecd\u7684\u6d4b\u8bd5\u65b9\u6cd5\u548c\u4ee3\u7801\u793a\u4f8b\uff0c\u53ef\u4ee5\u5e2e\u52a9\u60a8\u9a8c\u8bc1\u6570\u636e\u5e93\u662f\u5426\u6b63\u5e38\u8fd0\u884c\uff0c\u5e76\u786e\u4fdd\u5176\u7a33\u5b9a\u6027\u548c\u53ef\u9760\u6027\u3002\u5e0c\u671b\u4ee5\u4e0a\u5185\u5bb9\u80fd\u5bf9\u60a8\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
            \u672c\u7bc7\u5173\u4e8e\u300a\u6d4b\u8bd5Oracle\u5b89\u88c5\u662f\u5426\u6210\u529f\u7684\u65b9\u6cd5\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8e\u6570\u636e\u5e93\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\uff01<\/p>\n
            \n
            \n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u6d4b\u8bd5Oracle\u5b89\u88c5\u662f\u5426\u6210\u529f\u7684\u65b9...<\/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-199826","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199826","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=199826"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/199826\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=199826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=199826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=199826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}