{"id":2336,"date":"2025-03-04T08:43:09","date_gmt":"2025-03-04T00:43:09","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2336"},"modified":"2025-03-04T08:43:09","modified_gmt":"2025-03-04T00:43:09","slug":"sqlite-limit-%e5%ad%90%e5%8f%a5","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/04\/sqlite-limit-%e5%ad%90%e5%8f%a5\/","title":{"rendered":"SQLite LIMIT \u5b50\u53e5"},"content":{"rendered":"\n
\n

LIMIT<\/code> \u5b50\u53e5\u7528\u4e8e\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u7684\u8fd4\u56de\u884c\u6570\u3002\u5728\u6267\u884c SELECT<\/code> \u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT<\/code> \u6765\u6307\u5b9a\u8fd4\u56de\u7684\u6700\u5927\u8bb0\u5f55\u6570\u3002\u5b83\u662f\u63a7\u5236\u7ed3\u679c\u96c6\u5927\u5c0f\u7684\u4e00\u4e2a\u5e38\u7528\u5de5\u5177\uff0c\u7279\u522b\u662f\u5728\u9700\u8981\u5206\u9875\u663e\u793a\u7ed3\u679c\u65f6\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u57fa\u672c\u8bed\u6cd5<\/strong><\/h3>\n\n\n\n
SELECT column_name(s)\nFROM table_name\nWHERE condition\nLIMIT number;<\/code><\/pre>\n\n\n\n
    \n
  • column_name(s)<\/code>: \u9700\u8981\u67e5\u8be2\u7684\u5217\u3002<\/li>\n\n\n\n
  • table_name<\/code>: \u9700\u8981\u67e5\u8be2\u7684\u8868\u3002<\/li>\n\n\n\n
  • condition<\/code>: \u53ef\u9009\u7684\u67e5\u8be2\u6761\u4ef6\u3002<\/li>\n\n\n\n
  • number<\/code>: \u8fd4\u56de\u7684\u6700\u5927\u8bb0\u5f55\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
    1. \u9650\u5236\u8fd4\u56de\u7684\u884c\u6570<\/strong><\/h3>\n\n\n\n
    LIMIT<\/code> \u6700\u5e38\u89c1\u7684\u7528\u6cd5\u662f\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u7684\u8fd4\u56de\u884c\u6570\u3002\u4f8b\u5982\uff0c\u67e5\u8be2\u8868\u4e2d\u7684\u524d 5 \u6761\u8bb0\u5f55\uff1a<\/p>\n\n\n\n
    \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
      \n
    • \u67e5\u627e\u524d 5 \u4e2a\u5458\u5de5\u8bb0\u5f55\uff1a<\/li>\n<\/ul>\n\n\n\n
        SELECT * FROM employees\n  LIMIT 5;<\/code><\/pre>\n\n\n\n
        \n
      • \u8be5\u67e5\u8be2\u8fd4\u56de\u8868 employees<\/code> \u4e2d\u7684\u524d 5 \u6761\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n\n\n\n
        2. \u4f7f\u7528 LIMIT<\/code> \u548c OFFSET<\/code> \u914d\u5408\u8fdb\u884c\u5206\u9875<\/strong><\/h3>\n\n\n\n
        LIMIT<\/code> \u5b50\u53e5\u8fd8\u53ef\u4ee5\u4e0e OFFSET<\/code> \u5b50\u53e5\u4e00\u8d77\u4f7f\u7528\uff0c\u7528\u4e8e\u5206\u9875\u67e5\u8be2\u3002OFFSET<\/code> \u7528\u4e8e\u6307\u5b9a\u8df3\u8fc7\u7684\u884c\u6570\uff0c\u800c LIMIT<\/code> \u7528\u4e8e\u6307\u5b9a\u67e5\u8be2\u8fd4\u56de\u7684\u884c\u6570\u3002<\/p>\n\n\n\n
        \u57fa\u672c\u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
        SELECT column_name(s)\nFROM table_name\nLIMIT number OFFSET offset;<\/code><\/pre>\n\n\n\n
          \n
        • number<\/code>: \u8fd4\u56de\u7684\u6700\u5927\u8bb0\u5f55\u6570\u3002<\/li>\n\n\n\n
        • offset<\/code>: \u8df3\u8fc7\u7684\u884c\u6570\u3002<\/li>\n<\/ul>\n\n\n\n
          \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
            \n
          • \u67e5\u627e\u4ece\u7b2c 6 \u6761\u8bb0\u5f55\u5f00\u59cb\u7684 5 \u6761\u8bb0\u5f55\uff08\u5373\u7b2c 6 \u5230\u7b2c 10 \u6761\u8bb0\u5f55\uff09\uff1a<\/li>\n<\/ul>\n\n\n\n
              SELECT * FROM employees\n  LIMIT 5 OFFSET 5;<\/code><\/pre>\n\n\n\n
              \n
            • \u8be5\u67e5\u8be2\u8df3\u8fc7\u524d 5 \u6761\u8bb0\u5f55\uff0c\u5e76\u8fd4\u56de\u63a5\u4e0b\u6765\u7684 5 \u6761\u8bb0\u5f55\u3002<\/li>\n<\/ul>\n\n\n\n
              3. \u4f7f\u7528 LIMIT<\/code> \u548c OFFSET<\/code> \u4f5c\u4e3a\u5206\u9875<\/strong><\/h3>\n\n\n\n
              \u5206\u9875\u67e5\u8be2\u901a\u5e38\u4f7f\u7528 LIMIT<\/code> \u548c OFFSET<\/code> \u7684\u7ec4\u5408\u6765\u83b7\u53d6\u6bcf\u4e00\u9875\u7684\u6570\u636e\u3002<\/p>\n\n\n\n
              \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
              \u5047\u8bbe\u6bcf\u9875\u663e\u793a 10 \u6761\u8bb0\u5f55\uff0c\u67e5\u8be2\u7b2c 3 \u9875\u7684\u6570\u636e\uff1a<\/p>\n\n\n\n
                \n
              • \u7b2c 1 \u9875\uff1aLIMIT 10 OFFSET 0<\/code><\/li>\n\n\n\n
              • \u7b2c 2 \u9875\uff1aLIMIT 10 OFFSET 10<\/code><\/li>\n\n\n\n
              • \u7b2c 3 \u9875\uff1aLIMIT 10 OFFSET 20<\/code><\/li>\n\n\n\n
              • \u7b2c 4 \u9875\uff1aLIMIT 10 OFFSET 30<\/code><\/li>\n<\/ul>\n\n\n\n
                \u67e5\u8be2\u7b2c 3 \u9875\u7684\u8bb0\u5f55\uff1a<\/p>\n\n\n\n
                SELECT * FROM employees\nLIMIT 10 OFFSET 20;<\/code><\/pre>\n\n\n\n
                \u8be5\u67e5\u8be2\u8df3\u8fc7\u524d 20 \u6761\u8bb0\u5f55\uff0c\u8fd4\u56de\u7b2c 21 \u5230\u7b2c 30 \u6761\u8bb0\u5f55\u3002<\/p>\n\n\n\n
                4. \u4f7f\u7528 LIMIT<\/code> \u548c ORDER BY<\/code> \u7ed3\u5408<\/strong><\/h3>\n\n\n\n
                LIMIT<\/code> \u901a\u5e38\u4e0e ORDER BY<\/code> \u5b50\u53e5\u4e00\u8d77\u4f7f\u7528\uff0c\u4ee5\u786e\u4fdd\u8fd4\u56de\u7684\u6570\u636e\u662f\u6309\u7279\u5b9a\u987a\u5e8f\u6392\u5217\u7684\u3002\u7ed3\u5408 ORDER BY<\/code> \u53ef\u4ee5\u786e\u4fdd\u8fd4\u56de\u7684\u662f\u6309\u6392\u5e8f\u987a\u5e8f\u7684\u524d\u51e0\u6761\u8bb0\u5f55\u3002<\/p>\n\n\n\n
                \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
                  \n
                • \u67e5\u627e\u85aa\u8d44\u6700\u9ad8\u7684\u524d 3 \u540d\u5458\u5de5\uff1a<\/li>\n<\/ul>\n\n\n\n
                    SELECT * FROM employees\n  ORDER BY salary DESC\n  LIMIT 3;<\/code><\/pre>\n\n\n\n
                    \n
                  • \u8be5\u67e5\u8be2\u8fd4\u56de\u85aa\u8d44\u6700\u9ad8\u7684 3 \u4e2a\u5458\u5de5\uff0c\u6309\u964d\u5e8f\u6392\u5217\u3002<\/li>\n<\/ul>\n\n\n\n
                    5. \u4f7f\u7528\u8d1f\u6570\u503c<\/strong><\/h3>\n\n\n\n
                    \u5728\u67d0\u4e9b\u6570\u636e\u5e93\u7ba1\u7406\u7cfb\u7edf\u4e2d\uff0cLIMIT<\/code> \u548c OFFSET<\/code> \u53ef\u4ee5\u4f7f\u7528\u8d1f\u6570\u503c\u6765\u6307\u5b9a\u4ece\u7ed3\u679c\u96c6\u7684\u672b\u5c3e\u5f00\u59cb\u8ba1\u6570\u3002\u4f46\u662f\u5728 SQLite \u4e2d\uff0cLIMIT<\/code> \u548c OFFSET<\/code> \u4e0d\u652f\u6301\u8d1f\u503c\u3002\u9700\u8981\u5728\u67e5\u8be2\u7ed3\u679c\u4e2d\u8fdb\u884c\u6392\u5e8f\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u6548\u679c\u3002<\/p>\n\n\n\n
                    \n\n\n\n
                    \u603b\u7ed3<\/strong><\/h2>\n\n\n\n
                      \n
                    • LIMIT<\/code><\/strong> \u7528\u4e8e\u9650\u5236\u67e5\u8be2\u8fd4\u56de\u7684\u8bb0\u5f55\u6570\uff0c\u53ef\u4ee5\u7528\u4e8e\u9650\u5236\u7ed3\u679c\u96c6\u7684\u5927\u5c0f\u3002<\/li>\n\n\n\n
                    • LIMIT<\/code><\/strong> \u548c OFFSET<\/code><\/strong> \u53ef\u4ee5\u4e00\u8d77\u4f7f\u7528\u6765\u5b9e\u73b0\u5206\u9875\u67e5\u8be2\uff0cLIMIT<\/code> \u9650\u5236\u6bcf\u9875\u8fd4\u56de\u7684\u884c\u6570\uff0cOFFSET<\/code> \u6307\u5b9a\u4ece\u54ea\u4e00\u884c\u5f00\u59cb\u67e5\u8be2\u3002<\/li>\n\n\n\n
                    • \u53ef\u4ee5\u7ed3\u5408 ORDER BY<\/code><\/strong> \u5b50\u53e5\u6765\u786e\u4fdd\u8fd4\u56de\u7684\u6570\u636e\u6309\u7279\u5b9a\u987a\u5e8f\u6392\u5217\u3002<\/li>\n\n\n\n
                    • LIMIT<\/code><\/strong> \u662f\u5bf9\u67e5\u8be2\u7ed3\u679c\u7684\u884c\u6570\u8fdb\u884c\u9650\u5236\u7684\u6709\u6548\u5de5\u5177\uff0c\u5c24\u5176\u9002\u7528\u4e8e\u5206\u9875\u67e5\u8be2\u3002<\/li>\n<\/ul>\n\n\n\n
                      LIMIT<\/code> \u5b50\u53e5\u975e\u5e38\u9002\u5408\u7528\u4e8e\u5927\u6570\u636e\u96c6\u7684\u67e5\u8be2\u548c\u7ed3\u679c\u7684\u5206\u9875\u663e\u793a\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                      LIMIT \u5b50\u53e5\u7528\u4e8e\u9650\u5236\u67e5\u8be2\u7ed3\u679c\u7684\u8fd4\u56de\u884c\u6570\u3002\u5728\u6267\u884c SELECT \u67e5\u8be2\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528 LIMIT \u6765\u6307\u5b9a\u8fd4\u56de\u7684\u6700 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[76],"tags":[],"class_list":["post-2336","post","type-post","status-publish","format-standard","hentry","category-sqlite"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2336","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2336"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2336\/revisions"}],"predecessor-version":[{"id":2337,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2336\/revisions\/2337"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2336"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2336"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2336"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}