{"id":2326,"date":"2025-03-04T08:39:35","date_gmt":"2025-03-04T00:39:35","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2326"},"modified":"2025-03-04T08:39:35","modified_gmt":"2025-03-04T00:39:35","slug":"sqlite-and-or-%e8%bf%90%e7%ae%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/04\/sqlite-and-or-%e8%bf%90%e7%ae%97%e7%ac%a6\/","title":{"rendered":"SQLite AND\/OR \u8fd0\u7b97\u7b26"},"content":{"rendered":"\n
\n

\u5728 SQLite \u4e2d\uff0cAND<\/code> \u548c OR<\/code> \u8fd0\u7b97\u7b26\u7528\u4e8e\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u5e2e\u52a9\u6784\u5efa\u66f4\u590d\u6742\u7684\u67e5\u8be2\u3002\u5b83\u4eec\u7528\u4e8e\u5728 WHERE<\/code> \u5b50\u53e5\u4e2d\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\u3002<\/p>\n<\/blockquote>\n\n\n\n

1. AND \u8fd0\u7b97\u7b26<\/strong><\/h3>\n\n\n\n

AND<\/code> \u8fd0\u7b97\u7b26\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\uff0c\u53ea\u6709\u5728\u6240\u6709\u6761\u4ef6\u90fd\u6ee1\u8db3\u65f6\uff0c\u6574\u4e2a\u8868\u8fbe\u5f0f\u624d\u4e3a TRUE<\/code>\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cAND<\/code> \u8fd0\u7b97\u7b26\u4f1a\u8981\u6c42\u6240\u6709\u7684\u6761\u4ef6\u540c\u65f6\u4e3a TRUE<\/code>\u3002<\/p>\n\n\n\n

\u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
SELECT column1, column2\nFROM table_name\nWHERE condition1 AND condition2;<\/code><\/pre>\n\n\n\n
\u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
SELECT * FROM employees\nWHERE age > 30 AND department = 'HR';<\/code><\/pre>\n\n\n\n
    \n
  • \u8be5\u67e5\u8be2\u9009\u51fa\u6240\u6709\u5e74\u9f84\u5927\u4e8e 30 \u4e14\u5c5e\u4e8e HR<\/code> \u90e8\u95e8\u7684\u5458\u5de5\u3002\u53ea\u6709\u540c\u65f6\u6ee1\u8db3\u4e24\u4e2a\u6761\u4ef6\u7684\u8bb0\u5f55\u624d\u4f1a\u88ab\u9009\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n
    2. OR \u8fd0\u7b97\u7b26<\/strong><\/h3>\n\n\n\n
    OR<\/code> \u8fd0\u7b97\u7b26\u7528\u4e8e\u8fde\u63a5\u591a\u4e2a\u6761\u4ef6\uff0c\u53ea\u8981\u6709\u4e00\u4e2a\u6761\u4ef6\u4e3a TRUE<\/code>\uff0c\u6574\u4e2a\u8868\u8fbe\u5f0f\u5c31\u4e3a TRUE<\/code>\u3002\u6362\u53e5\u8bdd\u8bf4\uff0cOR<\/code> \u8fd0\u7b97\u7b26\u8981\u6c42\u81f3\u5c11\u6709\u4e00\u4e2a\u6761\u4ef6\u6ee1\u8db3\u3002<\/p>\n\n\n\n
    \u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
    SELECT column1, column2\nFROM table_name\nWHERE condition1 OR condition2;<\/code><\/pre>\n\n\n\n
    \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
    SELECT * FROM employees\nWHERE department = 'HR' OR department = 'IT';<\/code><\/pre>\n\n\n\n
      \n
    • \u8be5\u67e5\u8be2\u9009\u51fa\u6240\u6709\u5c5e\u4e8e HR<\/code> \u90e8\u95e8\u6216 IT<\/code> \u90e8\u95e8\u7684\u5458\u5de5\u3002\u53ea\u8981\u5176\u4e2d\u4e00\u4e2a\u6761\u4ef6\u4e3a TRUE<\/code>\uff0c\u8be5\u8bb0\u5f55\u5c31\u4f1a\u88ab\u9009\u4e2d\u3002<\/li>\n<\/ul>\n\n\n\n
      3. AND \u4e0e OR \u7ec4\u5408<\/strong><\/h3>\n\n\n\n
      AND<\/code> \u548c OR<\/code> \u8fd0\u7b97\u7b26\u53ef\u4ee5\u4e00\u8d77\u4f7f\u7528\u6765\u5904\u7406\u66f4\u590d\u6742\u7684\u6761\u4ef6\u8868\u8fbe\u5f0f\u3002\u5728\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6\u65f6\uff0cAND<\/code> \u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e OR<\/code>\uff0c\u5373 AND<\/code> \u4f1a\u5148\u4e8e OR<\/code> \u88ab\u8ba1\u7b97\u3002\u5982\u679c\u4f60\u5e0c\u671b\u6539\u53d8\u8ba1\u7b97\u7684\u987a\u5e8f\uff0c\u53ef\u4ee5\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u4f18\u5148\u7ea7\u3002<\/p>\n\n\n\n
      \u8bed\u6cd5\uff1a<\/strong><\/h4>\n\n\n\n
      SELECT column1, column2\nFROM table_name\nWHERE (condition1 AND condition2) OR condition3;<\/code><\/pre>\n\n\n\n
      \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
      SELECT * FROM employees\nWHERE (age > 30 AND department = 'HR') OR salary > 5000;<\/code><\/pre>\n\n\n\n
        \n
      • \u8be5\u67e5\u8be2\u9009\u51fa\u7b26\u5408\u4ee5\u4e0b\u6761\u4ef6\u4e4b\u4e00\u7684\u5458\u5de5\uff1a<\/li>\n<\/ul>\n\n\n\n
          \n
        1. \u5e74\u9f84\u5927\u4e8e 30 \u4e14\u5c5e\u4e8e HR<\/code> \u90e8\u95e8\u3002<\/li>\n\n\n\n
        2. \u5de5\u8d44\u5927\u4e8e 5000\u3002<\/li>\n<\/ol>\n\n\n\n
          4. \u4f7f\u7528 AND\/OR \u4e0e NOT \u7ec4\u5408<\/strong><\/h3>\n\n\n\n
          NOT<\/code> \u8fd0\u7b97\u7b26\u53ef\u4ee5\u4e0e AND<\/code> \u548c OR<\/code> \u7ed3\u5408\u4f7f\u7528\uff0c\u7528\u6765\u5bf9\u6761\u4ef6\u53d6\u53cd\u3002<\/p>\n\n\n\n
          \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
          SELECT * FROM employees\nWHERE NOT (age < 30 OR department = 'IT');<\/code><\/pre>\n\n\n\n
            \n
          • \u8be5\u67e5\u8be2\u9009\u51fa\u6240\u6709 \u4e0d\u662f<\/strong> \u5e74\u9f84\u5c0f\u4e8e 30 \u4e14\u4e0d\u5c5e\u4e8e IT<\/code> \u90e8\u95e8\u7684\u5458\u5de5\uff0c\u5373\u5e74\u9f84\u5927\u4e8e\u7b49\u4e8e 30 \u6216\u8005\u5c5e\u4e8e IT<\/code> \u90e8\u95e8\u7684\u5458\u5de5\u3002<\/li>\n<\/ul>\n\n\n\n
            5. AND\/OR \u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7<\/strong><\/h3>\n\n\n\n
              \n
            • AND<\/code> \u8fd0\u7b97\u7b26\u7684\u4f18\u5148\u7ea7\u9ad8\u4e8e OR<\/code> \u8fd0\u7b97\u7b26\u3002\u5982\u679c\u4f60\u5728\u6ca1\u6709\u62ec\u53f7\u7684\u60c5\u51b5\u4e0b\u540c\u65f6\u4f7f\u7528 AND<\/code> \u548c OR<\/code>\uff0cAND<\/code> \u4f1a\u5148\u8ba1\u7b97\u3002<\/li>\n\n\n\n
            • \u4e3a\u4e86\u786e\u4fdd\u67e5\u8be2\u7684\u903b\u8f91\u7b26\u5408\u9884\u671f\uff0c\u63a8\u8350\u5728\u590d\u6742\u67e5\u8be2\u4e2d\u4f7f\u7528\u62ec\u53f7\u6765\u660e\u786e\u8fd0\u7b97\u987a\u5e8f\u3002<\/li>\n<\/ul>\n\n\n\n
              \u793a\u4f8b\uff1a<\/strong><\/h4>\n\n\n\n
              SELECT * FROM employees\nWHERE age > 30 AND department = 'HR' OR salary > 5000;<\/code><\/pre>\n\n\n\n
                \n
              • \u8be5\u67e5\u8be2\u7684\u5b9e\u9645\u542b\u4e49\u662f\uff1a\u67e5\u8be2\u6ee1\u8db3 \uff08age > 30<\/code> \u4e14 department = 'HR'<\/code>\uff09<\/strong> \u6216 salary > 5000<\/code> \u7684\u5458\u5de5\u3002\u56e0\u4e3a AND<\/code> \u4f18\u5148\u4e8e OR<\/code>\uff0c\u6240\u4ee5\u9996\u5148\u8ba1\u7b97 age > 30 AND department = 'HR'<\/code>\u3002<\/li>\n<\/ul>\n\n\n\n
                6. \u591a\u6761\u4ef6 AND\/OR \u7684\u5b9e\u9645\u793a\u4f8b<\/strong><\/h3>\n\n\n\n
                \u793a\u4f8b 1\uff1a\u67e5\u627e\u591a\u4e2a\u6761\u4ef6\u6ee1\u8db3\u7684\u5458\u5de5<\/strong><\/h4>\n\n\n\n
                SELECT * FROM employees\nWHERE age > 25 AND department = 'IT' AND salary > 3000;<\/code><\/pre>\n\n\n\n
                  \n
                • \u8be5\u67e5\u8be2\u9009\u51fa\u6240\u6709\u5e74\u9f84\u5927\u4e8e 25 \u4e14\u5c5e\u4e8e IT<\/code> \u90e8\u95e8\uff0c\u4e14\u5de5\u8d44\u5927\u4e8e 3000 \u7684\u5458\u5de5\u3002<\/li>\n<\/ul>\n\n\n\n
                  \u793a\u4f8b 2\uff1a\u67e5\u627e\u7b26\u5408\u5176\u4e2d\u4e00\u4e2a\u6761\u4ef6\u7684\u5458\u5de5<\/strong><\/h4>\n\n\n\n
                  SELECT * FROM employees\nWHERE department = 'HR' OR department = 'Finance';<\/code><\/pre>\n\n\n\n
                    \n
                  • \u8be5\u67e5\u8be2\u9009\u51fa\u6240\u6709\u5c5e\u4e8e HR<\/code> \u6216 Finance<\/code> \u90e8\u95e8\u7684\u5458\u5de5\u3002<\/li>\n<\/ul>\n\n\n\n
                    \u793a\u4f8b 3\uff1a\u7ed3\u5408 AND<\/code> \u548c OR<\/code><\/strong><\/h4>\n\n\n\n
                    SELECT * FROM employees\nWHERE (age > 30 AND department = 'HR') OR (salary > 5000 AND department = 'IT');<\/code><\/pre>\n\n\n\n
                      \n
                    • \u8be5\u67e5\u8be2\u9009\u51fa\u7b26\u5408\u4ee5\u4e0b\u6761\u4ef6\u7684\u5458\u5de5\uff1a<\/li>\n<\/ul>\n\n\n\n
                        \n
                      1. \u5e74\u9f84\u5927\u4e8e 30 \u4e14\u5c5e\u4e8e HR<\/code> \u90e8\u95e8\u3002<\/li>\n\n\n\n
                      2. \u5de5\u8d44\u5927\u4e8e 5000 \u4e14\u5c5e\u4e8e IT<\/code> \u90e8\u95e8\u3002<\/li>\n<\/ol>\n\n\n\n
                        \u603b\u7ed3<\/strong><\/h3>\n\n\n\n
                          \n
                        • AND<\/code> \u7528\u4e8e\u8981\u6c42\u591a\u4e2a\u6761\u4ef6\u90fd\u4e3a TRUE<\/code>\u3002<\/li>\n\n\n\n
                        • OR<\/code> \u7528\u4e8e\u8981\u6c42\u591a\u4e2a\u6761\u4ef6\u4e2d\u81f3\u5c11\u6709\u4e00\u4e2a\u4e3a TRUE<\/code>\u3002<\/li>\n\n\n\n
                        • AND<\/code> \u548c OR<\/code> \u8fd0\u7b97\u7b26\u53ef\u4ee5\u7ed3\u5408\u4f7f\u7528\uff0c\u62ec\u53f7\u53ef\u7528\u4e8e\u63a7\u5236\u8fd0\u7b97\u4f18\u5148\u7ea7\u3002<\/li>\n\n\n\n
                        • \u5728\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6\u65f6\uff0c\u786e\u4fdd\u903b\u8f91\u7684\u6b63\u786e\u6027\uff0c\u5fc5\u8981\u65f6\u4f7f\u7528\u62ec\u53f7\u660e\u786e\u4f18\u5148\u7ea7\u3002<\/li>\n<\/ul>\n\n\n\n
                          \u901a\u8fc7\u7075\u6d3b\u4f7f\u7528 AND<\/code> \u548c OR<\/code> \u8fd0\u7b97\u7b26\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u6784\u5efa\u5f3a\u5927\u4e14\u7075\u6d3b\u7684\u67e5\u8be2\u6761\u4ef6\u3002\u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                          \u5728 SQLite \u4e2d\uff0cAND \u548c OR \u8fd0\u7b97\u7b26\u7528\u4e8e\u7ec4\u5408\u591a\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u5e2e\u52a9\u6784\u5efa\u66f4\u590d\u6742\u7684\u67e5\u8be2\u3002\u5b83\u4eec\u7528\u4e8e\u5728 WHE […]<\/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-2326","post","type-post","status-publish","format-standard","hentry","category-sqlite"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2326","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=2326"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2326\/revisions"}],"predecessor-version":[{"id":2327,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2326\/revisions\/2327"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}