{"id":15960,"date":"2023-12-04T23:45:11","date_gmt":"2023-12-04T15:45:11","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15960"},"modified":"2023-12-05T00:24:08","modified_gmt":"2023-12-04T16:24:08","slug":"oracle-shu-ju-ku-suo-de-zuo-yong-shi-shen-me","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-shu-ju-ku-suo-de-zuo-yong-shi-shen-me\/","title":{"rendered":"Oracle \u6570\u636e\u5e93\u9501\u7684\u4f5c\u7528\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u9501\uff08Lock\uff09\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5e76\u53d1\u63a7\u5236\u3002\u4ee5\u4e0b\u662f\u9501\u7684\u4e3b\u8981\u4f5c\u7528\uff1a<\/p>\n

    \n
  1. \n\u6570\u636e\u4e00\u81f4\u6027\uff1a<\/strong><\/p>\n
      \n
    • \u9501\u7528\u4e8e\u4fdd\u62a4\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u9632\u6b62\u591a\u4e2a\u5e76\u53d1\u4e8b\u52a1\u540c\u65f6\u4fee\u6539\u540c\u4e00\u6570\u636e\uff0c\u4ece\u800c\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u60c5\u51b5\u3002\u9501\u786e\u4fdd\u4e86\u4e8b\u52a1\u7684\u987a\u5e8f\u6267\u884c\uff0c\u9632\u6b62\u4e86\u6570\u636e\u7684\u6df7\u4e71\u72b6\u6001\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u5e76\u53d1\u63a7\u5236\uff1a<\/strong><\/p>\n
        \n
      • \u9501\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u63a7\u5236\u5bf9\u5171\u4eab\u8d44\u6e90\u7684\u8bbf\u95ee\u3002\u591a\u4e2a\u4e8b\u52a1\u53ef\u4ee5\u5e76\u53d1\u6267\u884c\uff0c\u4f46\u9501\u786e\u4fdd\u4e86\u5728\u540c\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\u80fd\u591f\u4fee\u6539\u5171\u4eab\u6570\u636e\u3002\u8fd9\u6709\u52a9\u4e8e\u7ef4\u62a4\u6570\u636e\u7684\u6b63\u786e\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u4e8b\u52a1\u9694\u79bb\uff1a<\/strong><\/p>\n
          \n
        • \u9501\u6709\u52a9\u4e8e\u5b9e\u73b0\u4e8b\u52a1\u9694\u79bb\u3002\u6570\u636e\u5e93\u901a\u5e38\u652f\u6301\u4e0d\u540c\u7684\u4e8b\u52a1\u9694\u79bb\u7ea7\u522b\uff0c\u5982\u8bfb\u53d6\u5df2\u63d0\u4ea4\uff08Read Committed\uff09\u548c\u53ef\u91cd\u590d\u8bfb\uff08Repeatable Read\uff09\u3002\u9501\u7684\u4f7f\u7528\u6709\u52a9\u4e8e\u786e\u4fdd\u5728\u4e0d\u540c\u9694\u79bb\u7ea7\u522b\u4e0b\u4e8b\u52a1\u7684\u4e00\u81f4\u6027\u548c\u9694\u79bb\u6027\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u907f\u514d\u7ade\u4e89\u6761\u4ef6\uff1a<\/strong><\/p>\n
            \n
          • \u9501\u53ef\u9632\u6b62\u591a\u4e2a\u4e8b\u52a1\u5728\u540c\u4e00\u65f6\u523b\u4fee\u6539\u540c\u4e00\u6570\u636e\uff0c\u4ece\u800c\u907f\u514d\u7ade\u4e89\u6761\u4ef6\u3002\u7ade\u4e89\u6761\u4ef6\u53ef\u80fd\u5bfc\u81f4\u4e0d\u786e\u5b9a\u7684\u7ed3\u679c\uff0c\u800c\u9501\u786e\u4fdd\u4e86\u5728\u67d0\u4e00\u65f6\u523b\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\u80fd\u591f\u4fee\u6539\u53d7\u4fdd\u62a4\u7684\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u6b7b\u9501\u907f\u514d\uff1a<\/strong><\/p>\n
              \n
            • \u9501\u8fd8\u6709\u52a9\u4e8e\u907f\u514d\u6b7b\u9501\u7684\u53d1\u751f\u3002\u6570\u636e\u5e93\u7cfb\u7edf\u901a\u5e38\u4f1a\u4f7f\u7528\u4e0d\u540c\u7684\u9501\u7ba1\u7406\u6280\u672f\uff0c\u5982\u884c\u7ea7\u9501\u548c\u8868\u7ea7\u9501\uff0c\u4ee5\u907f\u514d\u4e8b\u52a1\u4e4b\u95f4\u5f62\u6210\u5faa\u73af\u7b49\u5f85\uff0c\u5bfc\u81f4\u6b7b\u9501\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              \u603b\u4f53\u800c\u8a00\uff0c\u9501\u5728\u6570\u636e\u5e93\u4e2d\u8d77\u5230\u4e86\u5173\u952e\u7684\u4f5c\u7528\uff0c\u786e\u4fdd\u4e86\u5e76\u53d1\u4e8b\u52a1\u7684\u6b63\u786e\u6267\u884c\uff0c\u7ef4\u62a4\u4e86\u6570\u636e\u7684\u4e00\u81f4\u6027\uff0c\u9632\u6b62\u4e86\u6f5c\u5728\u7684\u7ade\u4e89\u6761\u4ef6\u548c\u6b7b\u9501\u95ee\u9898\u3002\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4f7f\u7528\u9501\u6765\u4fdd\u62a4\u5171\u4eab\u8d44\u6e90\uff0c\u4ee5\u786e\u4fdd\u591a\u4e2a\u4e8b\u52a1\u4e4b\u95f4\u7684\u4ea4\u4e92\u662f\u53ef\u63a7\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u5728 Oracle \u6570\u636e\u5e93\u4e2d\uff0c\u9501\uff08Lock\uff09\u7684\u4e3b\u8981\u4f5c\u7528\u662f\u786e\u4fdd\u6570\u636e\u7684\u4e00\u81f4\u6027\u548c\u5e76\u53d1\u63a7\u5236\u3002\u4ee5\u4e0b\u662f\u9501\u7684\u4e3b\u8981\u4f5c\u7528\uff1a \u6570\u636e\u4e00 […]<\/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-15960","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15960","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=15960"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15960\/revisions"}],"predecessor-version":[{"id":15961,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15960\/revisions\/15961"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15960"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15960"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15960"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}