Web Reference: This tutorial introduces you to the PL/SQL cursor and how to use it effectively to fetch data from a table. May 17, 2024 · The cursor is used to retrieve data one row at a time from the results set, unlike other SQL commands that operate on all rows at once. Cursors update table records in a singleton or row-by-row manner. Implicit cursors are automatically created by Oracle whenever an SQL statement is executed, when there is no explicit cursor for the statement. Programmers cannot control the implicit cursors and the information in it. Whenever a DML statement (INSERT, UPDATE and DELETE) is issued, an implicit cursor is associated with this statement. For INSERT op...
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