The oracle automation tools support oracle database 11g release 2 and oracle database 12c.
Other related questions:
Is Oracle Database 12c still supported?
Yes, Oracle Database 12c is still supported.
Is Oracle 11.2 still supported?
Yes, Oracle 11.2 is still supported.
Is Oracle Database 11G still supported?
Yes, Oracle Database 11g is still supported.
Is Oracle 19c still supported?
Yes, Oracle 19c is still supported.