Friday, September 3, 2010

Obtaining information about the installed DB2 version (level)

Somehow, I had a mental blackout earlier today when I tried to obtain information about the installed DB2 version and couldn't remember the command. Of course, you can always look into the db2diag.log file. Because DB2 writes an entry with version information and data about the system it is running on to that diagnostic file whenever it starts up.

However, the command I couldn't come up with is db2level. This command prints out the same information. And then, for those who need to obtain that information using plain SQL, they can utilize a special administrative view, ENV_INST_INFO.

How does the output look like?

From my db2diag.log:

DATA #1 : Build Level, 128 bytes
Instance "hloeser" uses "32" bits and DB2 code release "SQL09071"
with level identifier "08020107".
Informational tokens are "DB2 v9.7.0.1", "s091114", "IP23033", Fix Pack "1".

Output from db2level:
DB21085I  Instance "hloeser" uses "32" bits and DB2 code release "SQL09071"
with level identifier "08020107".
Informational tokens are "DB2 v9.7.0.1", "s091114", "IP23033", and Fix Pack
"1".
Product is installed at "/opt/ibm/db2/V9.7".

I spare you the output from "select * from sysibmadm.env_inst_info". And why did I want to look at it? I was checking whether I already had applied the fixpack 2.

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