if there is a table with huge number of records and if i
want to extract only first 3 records from the table, what
query i have to provide to retreive first 3 records
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Answer Posted / andank
SELECT * FROM <qualifier>.<table_name>
FETCH FIRST 3 ROWS ONLY
WITH UR;
The above query holds good, if you are thinking to fetch
rows in any specific order. Otherwise make use of "ORDER
BY".
If you want to filter the records bases on some condition
and fetch first 3 rows, make use of WHERE clause. For
example, if you want to see first 3 records of ACCOUNTS
department, use WHERE DEPTID ='Accounts' FETCH FIRST 3 ROWS
ONLY
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