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 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 pointer to this context area. PL/SQL controls the context area through a cursor. A cursor holds the rows (one or more) returned by a SQL statement. The set of rows the cursor holds is ...

possible in PL/SQL (and any other language). That way, you give the compiler maximum freedom to optimization. -- Create Driver for Test I generate 100,000 rows for my cursor using by CONNECT BY LEVEL ...

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