Question

This is my query:

SELECT id, DeviceName, DeviceTypeId
FROM device
WHERE DeviceTypeId LIKE (SELECT DeviceId FROM net_backupdevice WHERE CustomerId = '1');

after execution following error display.

ERROR 1242 (21000): Subquery returns more than 1 row

This table net_backupdevice return 2 records and I want both record information id, DeviceName, DeviceTypeId stored in device table.

so please help.

Answer 1

SELECT id, DeviceName, DeviceTypeId FROM device WHERE DeviceTypeId IN (select DeviceId from net_backupdevice where CustomerId = '1');

Please notice the IN instead of Like