An application can use several cursors concurrently. Each cursor requires its own set of DECLARE CURSOR, OPEN, CLOSE, and FETCH statements. See "Example Cursor Program" for an example of how an ...

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 ...

A cursor is a database object that can be created at runtime. it is used to get data from a result set line by line(or row by row) rather than executing all the rows in the result set at a single time ...

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

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.

Implicit cursors are automatically created by Oracle whenever an SQL statement is executed, when there is no explicit cursor for the statement. Programmers cannot control the implicit cursors and the ...