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A cursor is a temporary work area created in the system memory when a SQL statement is executed. A cursor contains information on a select statement and the rows of data accessed by it. An explicit ...
This structure is the most basic of all the loop constructs including FOR LOOP and WHILE LOOP. This basic LOOP statement consists of a LOOP keyword, a body of executable code, and the END LOOP ...
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 local variables; cursors give you the ability ...