SQL Server - What Are Cursors in SQL Server

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.

⇒Using Cursors in SQL Server Transact-SQL

⇒⇒SQL Server Transact-SQL Tutorials

2016-10-17, 740👍, 0💬

"DECLARE ... CURSOR" - Declaring Cursor Objects in SQL Server
How To Declare a Cursor with "DECLARE ... CURSOR" in SQL Server Transact-SQL? If you want to use a cursor to represent the result set of a query, you need to define a cursor name with a SELECT sub-statement using the "DECLARE ... CURSOR" statement using the following syntax format: DECLARE cursor_na... 2016-10-17, 1118👍, 0💬

Using Cursors in SQL Server Transact-SQL
Where to find answers to frequently asked questions on Using Cursors in SQL Server Transact-SQL? I want to loop through rows in a result set. Here is a list of frequently asked questions and their answers compiled by FYIcenter.com DBA team on Using Cursors in SQL Server Transact-SQL. Clear explanati... 2016-10-17, 789👍, 0💬

What Are Cursors in SQL Server
What Are Cursors in SQL Server Transact-SQL? 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 proce... 2016-10-17, 741👍, 0💬

"OPEN" - Executing the Query of a Cursor in SQL Server
How To Execute the Cursor Queries with "OPEN" Statements in SQL Server Transact-SQL? Once a cursor is declared, you need to execute the query attached to the cursor so that the result set returned from the query can be accessed through the cursor. To execute the cursor query, you should use the OPEN... 2016-10-17, 628👍, 0💬

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