SQL - Offset and Fetch Clause
• SQL - Offeset and Fetc...
SQL | OFFSET-FETCH Clause
OFFSET and FETCH Clause are used in conjunction with SELECT and ORDER BY clause
to provide a means to retrieve a range of records.
OFFSET
The OFFSET argument is used to identify the starting point to return rows from a result set.
Basically, it excludes the first set of records.
Note:
OFFSET can only be used with the ORDER BY clause. It cannot be used on its own.
OFFSET value must be greater than or equal to zero. It cannot be negative, or else return error.
oFFSET- 12 VERSION and above
Syntax:
SELECT column_name(s)
FROM table_name
WHERE condition
ORDER BY column_name
OFFSET rows_to_skip ROWS;
FETCH
The FETCH argument is used to return a set of number of rows.
FETCH can’t be used itself, it is used in conjunction with OFFSET.
Syntax:
SELECT column_name(s)
FROM table_name
WHERE condition
ORDER BY column_name
OFFSET rows_to_skip
FETCH NEXT number_of_rows ROWS ONLY;
EXAMPLE:-
--after 10000 5000
select * from Person.Person
order by BusinessEntityID
offset 10000 rows
-- fetch
select * from Person.Person
order by BusinessEntityID
offset 10000 rows
fetch next 5000 rows only
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