How do you find the impact for the change and how to find the tables which are connected to this procedure or package?

Nand Kumar Sahu

• Jul 13th, 2017

You can check any object which is going to referred by any other objects using dba_dependency data dictionary.

SELECT * FROM dba_dependencies WHERE refereced_name = OBJECT_NAME;

Arundhati

• Apr 20th, 2017

You can check ALL_DEPENDENCIES, DBA_DEPENDENCIES, user_DEPENDENCIES

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gauravy

• Jul 5th, 2017

Use pipeline functions

durgadas.menon

 Profile Answers by durgadas.menon Questions by durgadas.menon

• Aug 13th, 2008

Unlike tables ref cursors do not store data. They act like mold to hold data during the execution of the piece of code so proper coding and use of bind variables can help decrease the burden of proces...

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If have 5 procedures in my specification part and used 4 in my body part while compiling will it throw error or not?

Shridevi Bhat

• Jun 30th, 2017

Yes it will throw error. all the declared procedures and functions must be there in package body with implementation.

Error(15,22): PLS-00323: subprogram or cursor GET_REPORT_URL1 is declared in a package specification and must be defined in the package body

vishal pathak

• Jun 7th, 2017

Yes, If procedure declared in specification not defined in body will through compilation error saying:- "procedure declared in package specification must defined in body". but vice-versa will not throw any error

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How many types of PL/SQL Triggers are there? What are they?

Chandra sekhar

• Jun 23rd, 2017

Two types
ROW LEVEL
STATEMENT LEVEL

Yogesh

• Jun 2nd, 2017

Basically the are 5 type of trigger on basis of triggering events
1. DML
2. DDL
3. System or schema level
4. Compound
5. Instead of

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adarh katiyar

• Jun 17th, 2017

Use PRAGMA AUTONOMOUS_TRANSACTION in trigger block,
issue never comes ...

Amit Bhardwaj

• Feb 9th, 2017

If you are trying to access or modify the triggering table into the same trigger and that too for a row level trigger then Mutating Trigger error occurred.

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 A set of related declarations and procedural statements is called block.

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Editorial / Best Answer

Answered by: Chandra Shekhar

• Oct 3rd, 2005

---

PL/SQL Block contains :

Declare : optional

Variable declaration

Begin  : Manadatory

Procedural statements.

Exception : Optional

any errors to be trapped

End :  Mandatory

So only begin and end keywords are required, as needed, to process a pl/sql block.

vamsi

• Jun 8th, 2017

Cursors
collections
procedures
functions
triggers

Kevin Korir

• Dec 10th, 2016

Declare: optional
Begin:mandatory-program logic of SQL&plsql statements
Exception: optional (error handling)
End:mandatory
(Forward slash / terminates)

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Which is faster, Drop or Truncate? Explain

masthan

• May 30th, 2017

Truncate is faster compared to Drop

Rajan

• Mar 17th, 2017

1. TRUNCATE is a DDL command whereas DELETE is a DML command. 2. TRUNCATE is much faster than DELETE. Reason:When you type DELETE.all the data get copied into the Rollback Tablespace first, then del...

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tejascool

• May 23rd, 2017

A unique key constraint can be applied to single field or combination of fields which uniquely identifies a record.
unique key constraint allows null values as null !=null. so multiple null values are allowed

Piyush Kumar Sharma

• Dec 28th, 2016

We can insert multiple NULL values in Unique key constraints.

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Atiqur Rahman

• May 18th, 2017

There is a tables called ALL_TRIGGERS which contains column STATUS (ENABLE/DISABLE). This column tells us that whether a trigger is enable or disable. Also current user can modify these values if user have CREATE ANY TRIGGER privilege.

Kumar Prateek

• May 4th, 2017

To know weather the Trigger status is Active/Inactive AND which trigger is used on which Table, SELECT T.[name] as TableName, TR.[Name] as TriggerName, CASE WHEN 1=OBJECTPROPERTY(TR.[id], ExecIsTri...

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What is Private Procedure in Oracle PL/SQL?

Atiqur Rahman

• May 18th, 2017

Private Procedure: If a procedure is declared and defined within the package body known as private procedures. Also this cannot be executed by other procs of the package. Public Procedure: If a proce...

arundhati

• Apr 20th, 2017

A procedure define only in package body is a private procedure this is not available for external calls

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ANIL KUMAR PASUPULETI

• Mar 27th, 2017

Use SQL%NOTFOUND to check whether the update is success or not and then take the action accordingly

ddkdhar

 Profile Answers by ddkdhar Questions by ddkdhar

• Mar 7th, 2007

Question was not clearsorrythis is my questionupdate a table A using cursor if it updated then insert into another table B.if not insert into same table A and insert into B.handle every exceptions in the code.nikhil ok

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Can you invoke a Procedure inside Package P1 from the other package P2 in the same schema? Explain

Tanvi Singh

• Mar 24th, 2017

Yes we can invoke a procedure from another package if the procedure is of type public.

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Can we use nested procedures? What is the limit?

Ram

• Mar 15th, 2017

Yes, we can use and the limit is 255

Raghabendra Sahoo

• Feb 6th, 2017

Yes , We can Use

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How will you check performance of the query, if the query was running earlier but today its taking time to run?

inamdnik

 Profile Answers by inamdnik Questions by inamdnik

• Feb 10th, 2017

There are various ways to check performance of query. 1. Use EXPLAIN PLAN if you want to check execution plan used by oracle optimizer to run a query(This is more session specific.) 2. Use AUTOTRACE...

Subhapratim

• Feb 9th, 2017

We can check from AWR report

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Abdul

• Oct 1st, 2016

We can use DBMS_job.isubmit procedure to schedule the job automatically..

Pran

• Jul 12th, 2016

I am trying this, but it says that procedure name is already exist.

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Can we keep trigger name same as table name? Explain

Manisha

• Sep 21st, 2016

Trigger names must be unique with respect to other triggers in the same schema. Trigger names need not be unique with respect to other schema objects, such as tables, views, and subprograms. For examp...

Govind

• Sep 13th, 2016

No. Object Names should be unique.

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aak

• Sep 15th, 2016

No, You can add the proc in body and not declare it in the spec.. this is ok as it would mean that that proc is a private procedure but visa versa is not possible. It would give compilation error.

Sudhanshu

• Jul 26th, 2016

"oracle8 Create or replace package Test_pkg as 2 procedure Proc1; 3 end; 4 / Package created create or replace package body Test_pkg as 2 3 procedure proc1 is...

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Delete duplicate records without using sub query? Is That possible

Aak

• Sep 15th, 2016

Use a temp table, store distinct rows. Either delete the old table and rename this new table with the old table name or truncate old table and insert rows from temp table to the old table.

kadari ashok

• Jul 14th, 2016

We can do through co-related sub query

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vinodkumar

• Jul 14th, 2016

In cursor we dont have the facility of moving directly to a nth record.
We have to loop through the cursor to reach the nth record but even though after reaching you cant move backward.
Its good to use PL/SQL tables for this kind of situation

Habib Ali

• May 10th, 2016

Cursor is bi-directional.... You have to start either from FIRST or LAST record. You can however access nth record directly too, if not required by any logic

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How to optimise your pl/sql code? Not using explain plan which is for tuning the quey

Nikhil Inamdar

 Profile Answers by Nikhil Inamdar Questions by Nikhil Inamdar

• Jul 8th, 2016

You can use DBMS_PROFILER to check performance bottlenecks and then change the code where the PLSQL code is taking more time and improve performence.

For more details go through below link.
https://docs.oracle.com/cd/B28359_01/appdev.111/b28419/d_profil.htm

ace1234567

 Profile Answers by ace1234567 Questions by ace1234567

• Mar 4th, 2015

The best technique used is to avoid repeatative coding by putting repeated logic in a subroutine/function. Save the DML operations after a specific interval or records insertion/updation/deletions , depending on your archive log size.

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