Answer / swapna

Implicit Cursor are declared and used by the oracle
internally. whereas the explicit cursors are declared and
used by the user.

more over implicitly cursors are no need to declare oracle
creates and process and closes autometically. the explicit
cursor should be declared and closed by the user.

More over Explicit Cursors were used to retrieve values
from two or more rows.

Answer / l..l.n.reddy

IMPLICT CURSOR:- Automatically porvide by oracle which
perform DML statements. queries returns only one row.

EXPLICT CURSOR:- Defined by user. queries returns more
than rows.

Answer / madhuri

The implicit cursor is used to process INSERT, UPDATE,
DELETE, and SELECT INTO statements. During the processing of
an implicit cursor,Oracle automatically performs the OPEN,
FETCH, and CLOSE operations.

Where as in explicit cursors,the process of its working is
done in 4 steps namely DECLARE a cursor,OPEN a cursor,
FETCH from cursor and CLOSE a cursor.

Answer / selvaraj v , anna university c

Implicit Curosr : When a query return s Single Row Value
then Implicit Cursor is used.
It's return Only One Row. Curosr Name is assigned
Implicitly.

Implicit Cursor used for all SQL Stmts, that,
DECLARE,OPEN,FETCH,CLOSE.

It's defined by the Oracle Server wherenever the Opertions
Single Row.

Implicit Curosrs Automatically provides by Oracle which
performs DML Statements. Qureies return only one row.

We are able to handle NO_DATA_FOUND Exception in implicit
Cursor.

Explicit Curosr :

A subquery returns more than one row Explicit Curosr is
Created.

The rows returned by the query is called Active Set. It's
return multiple rows.

Curosr is assigned Explicitly. It's used to process
Multirow SELECT Statements.

Retrieving multiple rows the Programmer declare cursors
Explicitly.

Explicit Cursors defined by the User. Queries return more
than rows.

We are Not able to handle NO_DATA_FOUND Exception.

Answer / nageswara rao orsu

Implicit cursors: used for all DML statements and
single-row queries
Explicit cursors: used for queries of zero, one, or
more rows

Answer / bhavesh shah

Implicit cursor:- It always return one row, and no loop is
used in.
Explicit cursor:- It returns more than one row and here loop
is used.

Answer / pradeep

Explicit Cursor:-We are not able to Handle NO_DATA_FOUND
Exception.

Implicit Cursor:-We are able to Handle NO_DATA_FOUND
Exception.

How do you update a value in sql?

0 Answers  

What is informix sql?

0 Answers  

List the different type of joins?

0 Answers  

type type_name is table of varchar2(30) index by binary_integer for the above type you have to create a identifier... like identifier_name type_name; for the above type you can use the below methods..like first , last , prior, next , delege..etc...like this.. if you create a cursor...like cursor cursor_name is select * from scott.emp; is there any methods like above to use prior, fist , last , next , trim ,etc...

1 Answers   Satyam,

How many clustered indexes can you have?

0 Answers  

I have 2 packages A and B. Now package A references Package B and Package B references Package A. How do you compile such inter-dependent objects in PL/SQL

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Enlist the characteristics of pl/sql?

0 Answers  

i don't want the message as 14 rows updated just it should update what it will do

4 Answers  

What is the advantage of index in sql?

0 Answers  

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0 Answers  

What is application trigger?

0 Answers  

Is a table valued function object?

0 Answers