3 days ago · Let’s do the following in this SQL tutorial: Look at an example cursor; Break down the components of the cursor; Provide additional cursor examples; Analyze the pros and cons of cursor usage; Let’s first provide a SQL Server cursor example and then answer all pertinent questions in this SQL tutorial. SQL Cursor Example

DECLARE CURSOR defines the attributes of a Transact-SQL server cursor, such as its scrolling behavior and the query used to build the result set on which the cursor operates. The OPEN statement populates the result set, and FETCH returns a row from the result set.

In this tutorial, you will learn how to use the SQL Server cursor to process a result set, one row at a time.

Dec 7, 2023 · Request a cursor. SQL Server supports two methods for requesting a cursor: Transact-SQL. The Transact-SQL language supports a syntax for using cursors modeled after the ISO cursor syntax. Database application programming interface (API) cursor functions. SQL Server supports the cursor functionality of these database APIs: ADO (Microsoft ActiveX ...

Jun 4, 2014 · This article provides an explanation for what SQL Server cursors can be used , as well as a basic example that you can run for yourself to test.

Cursors in SQL. Imagine you're at a buffet (mmm, food ?). You have a plate (your cursor), and you're going down the line, picking up one item at a time. That's essentially what a cursor does in SQL – it allows you to process rows from a result set one at a time, rather than all at once.

Cursor Examples for SQL Server. Here’s an easy example of a cursor that loops through MyTable and gets an ID and a string from each row:

Jun 22, 2020 · SQL Server supports 3 different implementations of cursors – Transact-SQL cursors, API cursors, and Client cursors. In this article, we’ll focus on Transact-SQL cursors. You’ll easily recognize them because they are based on the DECLARE CURSOR syntax.

Feb 5, 2020 · This tip provides 5 different examples of how a cursor can be written in SQL Server. Each of the examples does not include the optional cursor type arguments in the declaration, such as whether the cursor is local, global, forward only, static and so on.

Nov 22, 2024 · Opening a cursor on a result set allows processing the result set one row at a time. You can assign a cursor to a variable or parameter with a cursor data type. Cursor operations are supported on these statements: CLOSE. CREATE PROCEDURE. DEALLOCATE. DECLARE CURSOR. DECLARE @local_variable. DELETE. FETCH. OPEN. UPDATE. SET