zOs/SQL/CATDBL

select dbName, count(*)
    from sysibm.sysTables
    where dbName like 'QZ%'
    group by dbName
    order by dbname
$*(
QZMAPTB
QZ01A1P
QZ02A1P
QZ03A1P
QZ04A1P
QZ10A1P
QZ11A1P
QZ91A1S
QZ92A1T
$*)