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Answer Posted / haribabu
yes , we can use symbolic parameters in our job
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What is cobol db2?
SET is the ANSI standard for variable assignment, SELECT is not. SET can only assign one variable at a time, SELECT can make multiple assignments at once. If assigning from a query, SET can only assign a scalar value. If the query returns multiple values/rows then SET will raise an error. SELECT will assign one of the values to the variable and hide the fact that multiple values were returned (so you'd likely never know why something was going wrong elsewhere - have fun troubleshooting that one) When assigning from a query if there is no value returned then SET will assign NULL, where SELECT will not make the assignment at all (so the variable will not be changed from it's previous value) As far as speed differences - there are no direct differences between SET and SELECT. However SELECT's ability to make multiple assignments in one shot does give it a slight speed advantage over SET.
What is host variable in db2 cobol?
Why do we use cursor?
by using cursors , we can access particular records from the table based on some condition, i want to delete those selected records, how can we write a query for this in the program?
Can one database have multiple instances?
Can there be more than one cursor open for any program?
What is a plan and package in db2?
Comment whether the cursor is closed during commit or not.
What is a db2 package?
How to rename a table in DB2 ?
Name the lockable units in DB2?
Is db2 free?
Comment whether dclgen is mandatorily used. If not, then what is the point of using it?
What is db2 look?
