it is quite simple if you want to limit the number of records return from the query execution in SQL Server
Select top N Rows from your table..
However DB2 did not support the select Top N Rows, there is a work around function
like this
Select * from your table order by column Desc fetch first N rows only
since the fetch first N rows only will return random number of rows. we must use order by column name to enforece the same records return by sorting the column.
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