{"id":15569,"date":"2023-12-04T20:55:59","date_gmt":"2023-12-04T12:55:59","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=15569"},"modified":"2023-12-04T20:56:56","modified_gmt":"2023-12-04T12:56:56","slug":"oracle-zhong-shuo-xia-oracle-de-suo-you-ji-zhong-d","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/12\/04\/oracle-zhong-shuo-xia-oracle-de-suo-you-ji-zhong-d\/","title":{"rendered":"Oracle \u4e2d\u8bf4\u4e0b Oracle \u7684\u9501\u6709\u51e0\u79cd\uff0c\u5b9a\u4e49\u5206\u522b\u662f\u4ec0\u4e48\uff1f"},"content":{"rendered":"

\u5728 Oracle \u4e2d\uff0c\u4e3b\u8981\u7684\u9501\u7c7b\u578b\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a<\/p>\n

    \n
  1. \n\u5171\u4eab\u9501\uff08Shared Lock\uff09<\/strong>\uff1a<\/p>\n
      \n
    • \u5b9a\u4e49<\/strong>\uff1a\u4e5f\u79f0\u4e3a\u8bfb\u9501\uff0c\u5141\u8bb8\u591a\u4e2a\u4e8b\u52a1\u540c\u65f6\u8bfb\u53d6\u5171\u4eab\u8d44\u6e90\uff0c\u4f46\u4e0d\u5141\u8bb8\u4e8b\u52a1\u4fee\u6539\u8be5\u8d44\u6e90\uff0c\u786e\u4fdd\u4e86\u5e76\u53d1\u8bfb\u53d6\u7684\u4e00\u81f4\u6027\u3002<\/li>\n
    • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4e8b\u52a1\u9700\u8981\u8bfb\u53d6\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u83b7\u5f97\u5171\u4eab\u9501\uff0c\u591a\u4e2a\u4e8b\u52a1\u53ef\u4ee5\u5171\u4eab\u8bfb\u53d6\u76f8\u540c\u8d44\u6e90\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u6392\u4ed6\u9501\uff08Exclusive Lock\uff09<\/strong>\uff1a<\/p>\n
        \n
      • \u5b9a\u4e49<\/strong>\uff1a\u4e5f\u79f0\u4e3a\u5199\u9501\uff0c\u53ea\u5141\u8bb8\u6301\u6709\u9501\u7684\u4e8b\u52a1\u5bf9\u8d44\u6e90\u8fdb\u884c\u5199\u64cd\u4f5c\uff0c\u5176\u4ed6\u4e8b\u52a1\u65e0\u6cd5\u8bfb\u53d6\u6216\u4fee\u6539\u8be5\u8d44\u6e90\uff0c\u786e\u4fdd\u4e86\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/li>\n
      • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4e8b\u52a1\u9700\u8981\u5bf9\u6570\u636e\u8fdb\u884c\u4fee\u6539\u6216\u5199\u5165\u65f6\uff0c\u4f1a\u7533\u8bf7\u6392\u4ed6\u9501\uff0c\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u4e8b\u52a1\u80fd\u591f\u4fee\u6539\u6570\u636e\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \n\u884c\u7ea7\u9501\uff08Row-level Lock\uff09<\/strong>\uff1a<\/p>\n
          \n
        • \u5b9a\u4e49<\/strong>\uff1a\u9488\u5bf9\u6570\u636e\u884c\u7ea7\u522b\u7684\u9501\uff0c\u5141\u8bb8\u5bf9\u6570\u636e\u8868\u4e2d\u7684\u7279\u5b9a\u884c\u8fdb\u884c\u9501\u5b9a\uff0c\u800c\u4e0d\u662f\u9501\u5b9a\u6574\u4e2a\u8868\u3002<\/li>\n
        • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5f53\u4e8b\u52a1\u9700\u8981\u5bf9\u8868\u4e2d\u7279\u5b9a\u884c\u8fdb\u884c\u64cd\u4f5c\u65f6\uff0c\u53ef\u4ee5\u7533\u8bf7\u884c\u7ea7\u9501\uff0c\u907f\u514d\u5176\u4ed6\u4e8b\u52a1\u5bf9\u76f8\u540c\u884c\u7684\u5e72\u6270\u3002<\/li>\n<\/ul>\n<\/li>\n
        • \n\u8868\u7ea7\u9501\uff08Table-level Lock\uff09<\/strong>\uff1a<\/p>\n
            \n
          • \u5b9a\u4e49<\/strong>\uff1a\u9501\u5b9a\u6574\u4e2a\u8868\uff0c\u9650\u5236\u5bf9\u6574\u4e2a\u8868\u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/li>\n
          • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u4e00\u4e9b\u7279\u5b9a\u7684\u60c5\u51b5\u4e0b\uff0c\u53ef\u80fd\u9700\u8981\u9501\u5b9a\u6574\u4e2a\u8868\u6765\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\uff0c\u4f46\u901a\u5e38\u4e0d\u63a8\u8350\u4f7f\u7528\u8868\u7ea7\u9501\uff0c\u56e0\u4e3a\u4f1a\u5f71\u54cd\u5e76\u53d1\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n
          • \n\u884c\u5171\u4eab\u9501\uff08Row Share Lock\uff09\u548c<\/strong>\u884c\u6392\u4ed6\u9501\uff08Row Exclusive Lock\uff09<\/strong>\uff1a<\/p>\n
              \n
            • \u5b9a\u4e49<\/strong>\uff1a\u5728\u884c\u7ea7\u522b\u4e0a\u8fdb\u884c\u5171\u4eab\u6216\u6392\u4ed6\u9501\u5b9a\u3002<\/li>\n
            • \u9002\u7528\u573a\u666f<\/strong>\uff1a\u5bf9\u884c\u7ea7\u6570\u636e\u8fdb\u884c\u8bfb\u53d6\u6216\u5199\u5165\u65f6\uff0c\u53ef\u4ee5\u7533\u8bf7\u76f8\u5e94\u7684\u884c\u7ea7\u9501\uff0c\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n

              Oracle\u63d0\u4f9b\u4e86\u591a\u79cd\u9501\u673a\u5236\uff0c\u8fd9\u4e9b\u9501\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u7528\u4e8e\u63a7\u5236\u5e76\u53d1\u8bbf\u95ee\u548c\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u3002\u5408\u7406\u4f7f\u7528\u4e0d\u540c\u7c7b\u578b\u7684\u9501\u5bf9\u6570\u636e\u8fdb\u884c\u63a7\u5236\uff0c\u53ef\u4ee5\u907f\u514d\u5e76\u53d1\u8bbf\u95ee\u9020\u6210\u7684\u95ee\u9898\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e00\u81f4\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

              \u5728 Oracle \u4e2d\uff0c\u4e3b\u8981\u7684\u9501\u7c7b\u578b\u5305\u62ec\u4ee5\u4e0b\u51e0\u79cd\uff1a \u5171\u4eab\u9501\uff08Shared Lock\uff09\uff1a \u5b9a\u4e49\uff1a\u4e5f\u79f0\u4e3a\u8bfb\u9501\uff0c\u5141\u8bb8\u591a […]<\/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-15569","post","type-post","status-publish","format-standard","hentry","category-oracel"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15569","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=15569"}],"version-history":[{"count":1,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15569\/revisions"}],"predecessor-version":[{"id":15570,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/15569\/revisions\/15570"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=15569"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=15569"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=15569"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}