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Since a cursor is implemented in a stored procedure, it has all the benefits (and limitations) of an SP (access control, pre-compiled, hard to debug, etc).The official documentation on cursors is located here.In PL/SQL, you can refer to the most recent implicit cursor as the SQL cursor, which always has attributes such as %FOUND, %ISOPEN, %NOTFOUND, and %ROWCOUNT.The SQL cursor has additional attributes, %BULK_ROWCOUNT and %BULK_EXCEPTIONS, designed for use with the FORALL statement.

As cursors are a part of a Stored Procedure, we will elaborate a bit more on SP in this article as well.You can name a cursor so that it could be referred to in a program to fetch and process the rows returned by the SQL statement, one at a time.There are two types of cursors − Implicit cursors are automatically created by Oracle whenever an SQL statement is executed, when there is no explicit cursor for the statement.The SELECT FOR UPDATE statement allows you to lock the records in the cursor result set.You are not required to make changes to the records in order to use this statement.

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