{"id":15532,"date":"2023-12-04T20:34:57","date_gmt":"2023-12-04T12:34:57","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15532"},"modified":"2023-12-04T20:35:59","modified_gmt":"2023-12-04T12:35:59","slug":"oracle-zhong-shu-ju-de-ge-li-ji-bie-shi-shen-me-fe","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-shu-ju-de-ge-li-ji-bie-shi-shen-me-fe\/","title":{"rendered":"Oracle \u4e2d\u6570\u636e\u7684\u9694\u79bb\u7ea7\u522b\u662f\u4ec0\u4e48\u5206\u522b\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898\uff1f"},"content":{"rendered":"

\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u662f\u6307\u5728\u5e76\u53d1\u4e8b\u52a1\u5904\u7406\u8fc7\u7a0b\u4e2d\u63a7\u5236\u6570\u636e\u8bbf\u95ee\u548c\u4fee\u6539\u7684\u89c4\u5219\u548c\u673a\u5236\u3002Oracle \u63d0\u4f9b\u4e86\u6807\u51c6\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u5305\u62ec\uff1a<\/p>\n

    \n
  1. \nREAD UNCOMMITTED\uff08\u8bfb\u672a\u63d0\u4ea4\uff09<\/strong>\uff1a<\/p>\n
      \n
    • \u5141\u8bb8\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u53e6\u4e00\u4e2a\u672a\u63d0\u4ea4\u7684\u4e8b\u52a1\u6240\u505a\u7684\u4fee\u6539\uff0c\u53ef\u80fd\u5bfc\u81f4\u810f\u8bfb\uff08\u8bfb\u53d6\u4e86\u672a\u63d0\u4ea4\u7684\u6570\u636e\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \nREAD COMMITTED\uff08\u8bfb\u5df2\u63d0\u4ea4\uff09<\/strong>\uff1a<\/p>\n
        \n
      • \u786e\u4fdd\u4e00\u4e2a\u4e8b\u52a1\u53ea\u80fd\u8bfb\u53d6\u5df2\u7ecf\u63d0\u4ea4\u7684\u6570\u636e\uff0c\u907f\u514d\u4e86\u810f\u8bfb\uff0c\u4f46\u4ecd\u53ef\u80fd\u5b58\u5728\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u5e7b\u8bfb\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nREPEATABLE READ\uff08\u53ef\u91cd\u590d\u8bfb\uff09<\/strong>\uff1a<\/p>\n
          \n
        • \u786e\u4fdd\u5728\u4e00\u4e2a\u4e8b\u52a1\u5185\uff0c\u591a\u6b21\u8bfb\u53d6\u540c\u4e00\u6570\u636e\u4f1a\u5f97\u5230\u4e00\u81f4\u7684\u7ed3\u679c\uff0c\u907f\u514d\u4e86\u4e0d\u53ef\u91cd\u590d\u8bfb\u7684\u95ee\u9898\uff0c\u4f46\u4ecd\u53ef\u80fd\u5b58\u5728\u5e7b\u8bfb\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \nSERIALIZABLE\uff08\u4e32\u884c\u5316\uff09<\/strong>\uff1a<\/p>\n
            \n
          • \u63d0\u4f9b\u6700\u9ad8\u7684\u9694\u79bb\u7ea7\u522b\uff0c\u786e\u4fdd\u6bcf\u4e2a\u4e8b\u52a1\u90fd\u662f\u6309\u987a\u5e8f\u6267\u884c\u7684\uff0c\u5b8c\u5168\u907f\u514d\u4e86\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u5e7b\u8bfb\uff0c\u4f46\u53ef\u80fd\u4f1a\u5f71\u54cd\u5e76\u53d1\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

            \u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\u89e3\u51b3\u4e86\u4e0d\u540c\u7684\u5e76\u53d1\u8bbf\u95ee\u95ee\u9898\uff1a<\/p>\n

              \n
            • \u810f\u8bfb\uff08Dirty Read\uff09<\/strong>\uff1a\u4e00\u4e2a\u4e8b\u52a1\u8bfb\u53d6\u4e86\u53e6\u4e00\u4e2a\u4e8b\u52a1\u672a\u63d0\u4ea4\u7684\u6570\u636e\u3002<\/li>\n
            • \u4e0d\u53ef\u91cd\u590d\u8bfb\uff08Non-Repeatable Read\uff09<\/strong>\uff1a\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u5185\uff0c\u4e24\u6b21\u8bfb\u53d6\u540c\u4e00\u884c\u6570\u636e\u65f6\u5f97\u5230\u7684\u7ed3\u679c\u4e0d\u4e00\u81f4\u3002<\/li>\n
            • \u5e7b\u8bfb\uff08Phantom Read\uff09<\/strong>\uff1a\u5728\u540c\u4e00\u4e2a\u4e8b\u52a1\u5185\uff0c\u4e24\u6b21\u67e5\u8be2\u7ed3\u679c\u96c6\u4e0d\u4e00\u81f4\uff0c\u5373\u7b2c\u4e8c\u6b21\u67e5\u8be2\u65f6\u51fa\u73b0\u4e86\u65b0\u7684\u884c\u6216\u8005\u9057\u6f0f\u4e86\u539f\u6709\u7684\u884c\u3002<\/li>\n<\/ul>\n

              \u4e0d\u540c\u7684\u9694\u79bb\u7ea7\u522b\u63d0\u4f9b\u4e86\u4e0d\u540c\u7a0b\u5ea6\u7684\u5e76\u53d1\u6027\u548c\u6570\u636e\u4e00\u81f4\u6027\uff0c\u5f00\u53d1\u8005\u9700\u8981\u6839\u636e\u5177\u4f53\u4e1a\u52a1\u9700\u6c42\u548c\u5bf9\u5e76\u53d1\u95ee\u9898\u7684\u8981\u6c42\u9009\u62e9\u5408\u9002\u7684\u9694\u79bb\u7ea7\u522b\u3002\u66f4\u9ad8\u7684\u9694\u79bb\u7ea7\u522b\u901a\u5e38\u4f1a\u5e26\u6765\u66f4\u4e25\u683c\u7684\u6570\u636e\u4e00\u81f4\u6027\uff0c\u4f46\u4e5f\u53ef\u80fd\u5bfc\u81f4\u66f4\u591a\u7684\u5e76\u53d1\u95ee\u9898\u548c\u6027\u80fd\u635f\u5931\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\u662f\u6307\u5728\u5e76\u53d1\u4e8b\u52a1\u5904\u7406\u8fc7\u7a0b\u4e2d\u63a7\u5236\u6570\u636e\u8bbf\u95ee\u548c\u4fee\u6539\u7684\u89c4\u5219\u548c\u673a\u5236\u3002Oracle […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[120],"tags":[],"class_list":["post-15532","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=15532"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15532\/revisions"}],"predecessor-version":[{"id":15533,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15532\/revisions\/15533"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15532"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}