1mysql> select distinct(TABLE_SCHEMA) from information_schema.tables; 2+--------------------+ 3| TABLE_SCHEMA | 4+--------------------+ 5| information_schema | 6| drcongo | 7| mysql | 8| performance_schema | 9| pseademo | 10| pseairaq | 11| sys | 12+--------------------+ 1314mysql> select count(*) from …