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

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Answered by: Chandra Shekhar

• Oct 3rd, 2005

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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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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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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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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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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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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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Nand Kumar Sahu

• Jul 13th, 2017

Bulk binding is very useful in performance tunning scenarios. BULK COLLECT and FORALL are tow main key of bulk binding. in bulk binding any DML operation is performed in a single execute so context swiching is not going to happening.

Rajan

• Mar 17th, 2017

Within a PL SQL code if there is any DML statement, it involves context switching. Every time there is a context switch, the cost is more. To handle this we have a functionality called bulk binding w...

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Create an anonymous PL/SQL block to enroll a student in a particular class. You will use the ENROLLMENTS table. Accept a STU_ID and CLASS_ID as input parameters. Use "today's date" for the ENROLLMENT_DATE and the string "Enrolled" for the STATUS.

Mohana Thangavelu

• Sep 9th, 2017

Begin
Insert into enrollments values(&stud_Id,&class_Id,sysdate);
Commit;
End;

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How can we hide a package from other users?

Anshul soni

• Sep 27th, 2017

Answer 1: using wrapper utility
Answer 2: using authid definer.

Arundhati

• Apr 20th, 2017

To Hide a object, dont give any grants

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What is Global temporary table? and what are the benefits of it?

Prabhat Sahu

 Profile Answers by Prabhat Sahu Questions by Prabhat Sahu

• Oct 24th, 2017

Global Temporary Table(GTT): --------------------------------------- --> GTT operation perform in-memory(RAM) so reading data from GTT is a "Logical Read" -> hence its faster. --> GTT are of 2 type...

vanishavadlya

 Profile Answers by vanishavadlya Questions by vanishavadlya

• Oct 24th, 2009

The data in a global temporary table is private, such that data inserted by a session can only be accessed by that session. The session-specific rows in a global temporary table can be preserved for t...

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krishnaindia2007  

 Profile Answers by krishnaindia2007 Questions by krishnaindia2007

• Member Since Sep-2007 | May 13th, 2008

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DUAL is a part data dictionary and owned by SYS. You should not make modifications to this   table. 
It contains only one row and  one column of VARCHAR2 datatype.
Used to refer an object which does not have any pysical reference in database table.
Ex:- Select sysdate from dual.

Aditya Kumar

• Dec 17th, 2017

If it contains only one column with varchar2 data type then how can it return a date through sysdate.

krishnaindia2007

 Profile Answers by krishnaindia2007 Questions by krishnaindia2007

• May 13th, 2008

DUAL is a part data dictionary and owned by SYS. You should not make modifications to this   table. It contains only one row and  one column of VARCHAR2 datatype.Used to refer an object which does not have any pysical reference in database table.Ex:- Select sysdate from dual.

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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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Explain what is Simple Cursor and What is Parameterized Cursor? And Difference between both??

sandeep

• Feb 1st, 2018

In real time we are using more than one cursor in PL/SQL block. so in this we are sending one cursor values into another cursor so the receiving cursor must be parameterised cursor

Akash Mohan singh

• Dec 26th, 2017

A parameterized cursor are static cursor that can accept passed in parameter values when they are opened. Parameterized can only reference to its own parameter parameterized cursor cannot reference to local variable.

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