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Answer Posted / s
Bufferpools are areas of virtual storage where DB2
temporarily stores the pages of tablespaces and indexes.
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How can the duplicate values be eliminated from db2 select?
What does db2 blu stand for?
What is the role of schema in the db2 database?
What is the picture clause of null indicator variable?
What types of tables are there in the db2 database?
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 a system catalog table in db2?
run jcl for cobol+db2 pgm?.. //jobcard //step001 exec pgm=ikjeft01 //systin dd * DSNSYSTEM(--------) RUN PROGRAM(MYPGMNAME) PLAN(-----), LIB(-------), PARMS(------) /* WHAT WILL U GIVE INSIDE THE BRACKETS... WHAT IS PLAN,PACKAGE,BIND?..PLAN N PACAKGES ARE GENERATED BY ?...
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Which are the db2 tools to protect integrity of the database?
Explain the benefits you can get from mainframe connect?
What is host variable?
How do I import a csv file into db2?
