Learn how to use a cursor in SQL DB2 stored procedures to process multiple rows of data from a query result set. Find out how to declare, open, fetch, close, and deallocate a cursor.

Learn some of the best practices for optimizing cursor performance in SQL Server, such as cursor types, scope, set-based operations, and loop avoidance.

A cursor allow us to retrieve data from a result set in single means row by row. cursor are required when we need to update records in a database table one row at a time.types of cursors static ...

In SQL procedures, a cursor make it possible to define a result set (a set of data rows) and perform complex logic on a row by row basis. By using the same mechanics, an SQL procedure can also define ...

Tim Chapman discusses your iteration choices in SQL Server 2008 and explains why determining which option performs better depends on the situation.

Selecting Multiple Rows Using a Cursor To allow an application to retrieve a set of rows, SQL uses a mechanism called a cursor . To help understand the concept of a cursor, assume that the database ...

A cursor is a temporary work area created in the system memory when a SQL statement is executed. A cursor contains information on a select statement and the rows of data accessed by it. An explicit ...

2. When you can’t avoid cursors, use temp tables There may be times when you need to use a cursor. In these cases, it’s better run cursor operations against a temp table instead of a live table.

Cursor in sql cursor is used to iterate within a table. it is a pointer which iterates within a table to fetch rows.life cycle of cursor1)declare firstly you must declare a cursor by using declare ...

The cursor cannot be determined to be updatable or read only from its definition or context. This can happen when a dynamic SQL statement is encountered that could be used to change a cursor that ...