You can use like
Select * FROM database1.products WHERE field = ?
UNION ALL 
SELECT * FROM database2.products  field = ?
UNION ALL 
SELECT * FROM database3.products field = ?
1
solved access multiple my sql database at a time? [closed]
 
You can use like
Select * FROM database1.products WHERE field = ?
UNION ALL 
SELECT * FROM database2.products  field = ?
UNION ALL 
SELECT * FROM database3.products field = ?
1
solved access multiple my sql database at a time? [closed]