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.

In SQL Server, you can use various constructs to create loops, such as WHILE, FOR, or CURSOR. However, you should avoid using loops whenever possible, especially nested loops, as they can cause ...

SQL Server 2008 provides a minimal set of tools — cursors and WHILE loops — to accomplish this task. I’ll take a closer look at each option and explain why it’s difficult to pinpoint which ...

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 ...

The cursor can only reference one row at a time, but can move to other rows of the result set as needed. To use cursors in SQL procedures, you need to do the following: Declare a cursor that defines a ...

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 ...

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 ...

It is possible to update and delete the row referenced by a cursor. For a row to be updatable, the query corresponding to the cursor must not be read-only. (For a description of what makes a query ...