How can you count the number of rows from a table tab?
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Shall i use this query to retrieve first 4 records, Select empno, sal from emptbl where empno < 5. like this can we fetch first 100 records?
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what will be the output of the below given query, if no matching records are found : (a.) 0 (b.) null (c.) error select Avg(salary) from TableA where Deptno = 'insurance'
how can u retrieve the data from null values using applicaion program.
What is db2 command?
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