How to test the connection to a db2 database

Question

I need to test the connection to a db2 database.

With oracle databases I\'d execute a \'select * from dual\' in order to do this.

But dual is specific for o

Answer 1

SELECT 1 FROM SYSIBM.SYSDUMMY1

cheaper then

SELECT CURRENT SQLID FROM SYSIBM.SYSDUMMY1

Answer 2

LIST DB DIRECTORY

or

LIST TABLES

Answer 3

I ended up using

SELECT CURRENT SQLID FROM SYSIBM.SYSDUMMY1

which seems to work nice.