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

Cursors and For Loops - PL/SQL How to work with cursors and for loops in PLSQL (Procedural Language SQL for Oracle Databases).

Oracle's PL/SQL language has two basic mechanisms for getting data from the database: SELECT and cursors. SELECT is designed to return a single row into ...