beifen

INSERT INTO `digital_market_db`.`tb_blacklist` (`id`, `clacklist_id`, `phone_number`, `blacklist_type`, `source_type`, `province_code`, `staff_id`, `black_desc`, `extend1`, `oper_desc`, `tenant_id`, `create_dept`, `create_by`, `create_time`, `update_by`, `update_time`, `last_update_time`) VALUES (5630033, NULL, '7f1799c8d185e3d5ee519fd653eaa039', '1', '1', '837', 'duhuizhi', NULL, NULL, NULL, NULL, 8, 113, '2025-02-24 09:14:13', 113, '2025-02-24 09:14:13', '2025-02-24 09:14:13');

SELECT * FROM `tb_blacklist` WHERE phone_number ="7f1799c8d185e3d5ee519fd653eaa039"




SELECT *
FROM tb_blacklist
WHERE phone_number IN (
    SELECT phone_number
    FROM tb_blacklist
    GROUP BY phone_number
    HAVING COUNT(*) > 1
);