sql，SELECT phone_number, COUNT(*) as count FROM call_records GROUP BY phone_number HAVING count > 1;，``，，这段代码会返回所有重复的电话号码以及它们出现的次数。sql，SELECT phone_number, COUNT(*) as count FROM call_records GROUP BY phone_number HAVING count > 1;，``，，这段代码会返回所有重复的电话号码以及它们出现的次数。Powered By Z-BlogPHP 1.7.3