A record pointer in a database. When a database file is selected and the cursor is opened, the cursor points to the first record in the file. Using various commands, the cursor can be moved forward, ...

Allowing positioning at specific rows of the result set. Retrieving one row or block of rows from the current position in the result set. Supporting data modifications to the rows at the current ...

Abstract: Web applications have gained an enormous increase in popularity for providing various facilities online, such as e-shopping, e-banking, e-ticketing, e-learning etc. As the use of web ...