Oracle Cursors and Types of Cursors

The Cursor is a handle (name or a pointer) for the memory associated with a specific statement.  A cursor is basically an Area alocated by Oracle for executing the Sql Statements.  Oracle Uses an Implicit Cursor statement for a single row query and Explicit Cursor for a multi row query.

Types of Cursor :

I) Implicit
2) Expicit

Flow in Explicit Cursor
 I. Declaring a cursor :- Involves assign a name to cursor and associating a query with it..
 II. Open the cursor   :-  Executes the query and identify the result set.
 III. Fetch the cursor :-  gets the result set and Loops through to process them
 IV. Close the cursor :- Releases the cursor

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