g_sidhu

 Profile Answers by g_sidhu Questions by g_sidhu

• Feb 1st, 2008

Force View: creates the view regardless of whether or not the base tables exist or whether the user has privileges on them. The user still can’t execute the view, but he or she can create it. No...

Lavanya Chowdary

• May 6th, 2007

Generally we are not supposed to create a view without base table. If you want to create any view without base table that is called as Force View or invalid view.?Syntax: CREATE FORCE VIEW AS < SELEC...

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KSPRDEEP

• Oct 17th, 2012

In parameter means it will insert the values
OUT parameters means it will print out put (pass values to output). If we not assigning any value to out parameter it will take (print) NULL value.

INOUT means it take values as input and out put

krishnaindia2007

 Profile Answers by krishnaindia2007 Questions by krishnaindia2007

• May 7th, 2008

1.There is no hard and fast rule about this. Whether to use INOUT or OUT depends upon the situation.2. If not assigned anything to OUT parameter it retuns NULL value.

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krishnaindia2007

 Profile Answers by krishnaindia2007 Questions by krishnaindia2007

• May 7th, 2008

You can useUSER_ERRORSorSHOW ERRORSYou may also use DBMS_OUTPUT.PUT_LINE 

pari

• Mar 14th, 2007

The correct command isSHOW ERRORS orSHOW ERR

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prakash

• Nov 15th, 2006

Hi,        I would suggest not to pass all the records to you next procedure. You should look to redesign your next procedure so that it accepts one record and proce...

prasanna

• Nov 14th, 2006

hi friend       of course no need of sending 2lakh records but some records whatever i required

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Raghavendra

• Nov 19th, 2006

Alter table disable all trigger;

Brijesh Mishra

• Oct 9th, 2006

SQL> Spool c:tempdisable_all_triggerSQL> Select 'ALTER TRIGGER '|| trigger_name ||' disable;' from user_triggers;SQL> spool offafter that open file disable_all_trigger.lst and remove header part and save file.SQL>@c:tempdisable_all_trigger.lst

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asraf_pa

 Profile Answers by asraf_pa Questions by asraf_pa

• Oct 10th, 2010

You can use DBMS_SESSION to set & get session variable. Below is the example for the sameSQL> EXEC DBMS_SESSION.SET_CONTEXT('CLIENTCONTEXT', 'myvar', 'myvalue');PL/SQL procedure successfully co...

rampratap409

 Profile Answers by rampratap409 Questions by rampratap409

• Dec 11th, 2006

session variable can not be declared in package, variable declared in package are called global variables.  create package mypack isnum number := 7;num2 number;end ;here num, num2 are global vari...

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sankari

• Jan 9th, 2007

We can do as shown below... in the same way we can drop the table..

DECLARE
BEGIN

EXECUTE IMMEDIATE 'create table employee(empno number(3),ename varchar2(10))';

END;

gangadharam.p

 Profile Answers by gangadharam.p Questions by gangadharam.p

• Dec 26th, 2006

HI,  table can be created by using either dbms_sql or EXECUTE_IMMEDIATE in procedure or function.

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joybanerjee

 Profile Answers by joybanerjee Questions by joybanerjee

• Dec 10th, 2007

The  purity level defines  what structure the  function reads  or  modifies.the  types  of  purity level:1)wnds--write  no database  stage  I.e&n...

malik.aman

 Profile Answers by malik.aman Questions by malik.aman

• Dec 4th, 2007

To be callable from SQL statements, a stored function (and any subprograms called by that function) must obey certain "purity" rules, which are meant to control side effects:When called from a SELECT ...

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g_sidhu

 Profile Answers by g_sidhu Questions by g_sidhu

• Feb 19th, 2008

Oracle9i introduced Flashback Query to provide a simple, powerful and completely non-disruptive mechanism for recovering from human errors. It allows users to view the state of data at a point in time...

joybanerjee

 Profile Answers by joybanerjee Questions by joybanerjee

• Dec 26th, 2007

when ever  a  table  is  dropped  the  database  does  not  release  the  space  assotiated  with it the  table  is  kep...

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srini

• Feb 6th, 2007

Actually explicit cursor refers only one work area in memory,incase of ref cursor refers different work areas in memory.

ranjeetapegu

 Profile Answers by ranjeetapegu Questions by ranjeetapegu

• Jan 12th, 2007

Difference between Pl/sql tables and record is that in pl/sql tables we can store more than one row whereas in record we store only one row.TYPE rec_emp is RECORD( ename   varchar2(10), empn...

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krishnaindia2007

 Profile Answers by krishnaindia2007 Questions by krishnaindia2007

• May 3rd, 2008

Group functions returns one result per each group of the result setWhere as analytical functions  returns multi rows per each group i.e. using analytical functions we may display group results along with individual rows.

dev

• Dec 19th, 2006

Thank u Rampratap.Dev

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ravgopal

 Profile Answers by ravgopal Questions by ravgopal

• Oct 10th, 2007

We can do either DDL or DML inside a function.1) Let us try keeping a DML inside a function  1  create or replace function test (a number) return number as  2  begin  3  ...

vaibhav Tyagi

• Sep 26th, 2007

The main difference is in Function you can perform only DDLbut in Stored
procedure you can perform DDL, DML both

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igornem

• Jun 6th, 2015

There is no term "Atomic transaction". There is term "Transaction" which is must have ACID properties, and first "A" in "ACID" is - "Atomicity", which is defines that series of operations included in ...

madhaviguthula

 Profile Answers by madhaviguthula Questions by madhaviguthula

• Feb 28th, 2007

Autonomous transactions are independent transactions that can be called from within another transaction. An autonomous transaction lets you leave the context of the calling transaction, perform some S...

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lieni

• Jul 30th, 2007

You add the psedocolumn rowid to the selected fields of the cursors body.This rowid identifies the selected record uniquely so that you can update with it, like with the primary key (just faster).Update tab where rowid=cur_rec.rowid;

nagurtilak

• Mar 15th, 2007

It can be used in cursorsIf we want to update the current record (i.e cursor holding the current? record) we can use WHERE CURRENT clauseEg. UPDATE empSET sal=sal*10FROM emp WHERE CURRENT of "cursor name"

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psingla

 Profile Answers by psingla Questions by psingla

• Apr 27th, 2010

2) Triggers cannot be called rather they are fired automatically based upon their specification.

MuralidharanR

 Profile Answers by MuralidharanR Questions by MuralidharanR

• Mar 17th, 2007

The maximum buffer size of DBMS_OUTPUT IS 1,000,000.  A database trigger is procedural code that is automatically executed in response to certain events on a particular table in a database. Trigger can not be executed manually

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shriram

• Jan 5th, 2018

To add one more point to the disadvantages of packages :
We cannot declare ref cursor in a package.
also if a dependent object is dropped the entire package body is invalid until it is recompiled.

Kavitha

• Nov 19th, 2007

Disadvantages of Triggers    It is easy to view table relationships , constraints, indexes, stored procedure in database but triggers are difficult to view.    Triggers execu...

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mittu

 Profile Answers by mittu Questions by mittu

• Jan 22nd, 2008

Right click on package and choose [execute]elseexecute package_name;

Larry

• Nov 6th, 2007

Execute package_name;

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chakraborty_sarkar

 Profile Answers by chakraborty_sarkar Questions by chakraborty_sarkar

• Jul 10th, 2007

SELECT LEV FROM (SELECT LEVEL LEV FROM dual CONNECT BY LEVEL < 10) WHERE LEV NOT IN (SELECT COLUMN1 FROM TEMP);

Amit

• Jun 14th, 2007

If I have Emp Table and id column
1
2
4
5
7
SELECT 10-id FROM Emp WHERE id in (SELECT id FROM Emp WHERE id 5)

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Kiran Birajdar

 Profile Answers by Kiran Birajdar Questions by Kiran Birajdar

• Mar 21st, 2016

EXCEPTION WHEN OTHERS THEN raise_application_error(-20001,An error was encountered - ||SQLCODE|| -ERROR- ||SQLERRM); END; Or you could log the error to a table using the SQLERRM function ...

devi

• Sep 25th, 2007

You can print the 'sqlcode'?as followsException?When others thendbms_output.put_line('error code is'||sqlcode)end;?

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g_sidhu

 Profile Answers by g_sidhu Questions by g_sidhu

• Feb 19th, 2008

We cant use functions with OUT parameter in sql statements because there is no way for you to declare a variable in a SQL query and in order to call an IN OUT -- you need a local variable (to supply a value to be read from and to supply a place to put the out value into).

ramaswamy

• Sep 26th, 2007

Functions with "out" parameters?cannot be used in?SQL statments however I disagree with you?rajeev because functions without parameters can also be called in select statments as long as they havea return()?(Eg: SYSDATE)

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