What Are Cursors in SQL Server

Q

What Are Cursors in SQL Server Transact-SQL?

✍: FYIcenter.com

A

A cursor is a special data type that represents a result set returned by a SELECT query statement. There are several notes about cursor you need to remember:

Cursor data type can not be used to define table columns.
Cursor data type is used on store procedures, functions, and triggers to help you loop through result sets returned by queries.
Cursor data type can be used to define cursor variables.
There are special Transact-SQL statements dedicated to work with cursors variables: OPEN, FETCH, CLOSE, and DEALLOCATE.
Cursor variables can be passed as procedure or function parameters.
There is a special function, CURSOR_STATUS(), for check cursor statuses.

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â‡’Using Cursors in SQL Server Transact-SQL

â‡’â‡’SQL Server Transact-SQL Tutorials

2016-10-17, 975👍, 0💬

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"@@FETCH_STATUS" - Looping through Result Set in SQL Server
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Using Cursors in SQL Server Transact-SQL
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What Are Cursors in SQL Server
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"FETCH" - Transferring Data from Cursors to Variables in SQL Server
How To Transfer Data from a Cursor to Variables with a "FETCH" Statement in SQL Server Transact-SQL? By default, a FETCH statement will display the fetched row on the client program window. If you want to transfer the output data to variables, you can specify an INTO clause with a list of variables ... 2016-10-17, 911👍, 0💬

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