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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 / 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
| Is This Answer Correct ? | 6 Yes | 0 No |
Answer / hemachandar
select * from table_name
fetch first 3 rows only;
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / viji
If there is any specific order they have to be fetched then use fetch first 3 records only.
Without order by, fetch first 3 records only will retrieve any 3 records in random order.
| Is This Answer Correct ? | 0 Yes | 0 No |
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