While Loop to Iterate through Databases

Question

I was wondering if someone could help me with creating a while loop to iterate through several databases to obtain data from one table from two columns. this is was I have done

Answer 1

I would consider sp_MSForEachDB which is a lot easier...

Edit:

EXEC sp_MSForEachDB 'USE [?]; IF DB_NAME() LIKE ''Z%%''
BEGIN


END
'