Oracle creates a memory area, known as context area, for processing an SQL statement, which contains all information needed for processing the statement, for example, number of rows processed, etc. A ...

In MySQL for example you can do updates using inner joins between tables, but you can't do this in PL/SQL. So one of the most efficient approaches in my opinion is to use the Cursor and For Loop ...

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 ...

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 ...