Nikhil_4_Oracle

• Mar 26th, 2007

Both are same....-Nikhil

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How to Create Sequence and insert data using Alter command to a new column?

callmesomu

• Apr 17th, 2007

ALTER SEQUENCE SEQUENCE_NAMEINCREMENT BY 10

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START <filename> or @<filename>

Lavanya Chowdary

• May 6th, 2007

@

Anshul

• Oct 17th, 2005

START

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Tushar

• May 9th, 2007

Use Export and Import tools for backups and restore resp.you can use exp and imp as well

shuaib

• Nov 11th, 2005

U can backup the sql files through backup utilities or some backup command in sql . SAP is ERP software for the organization to integrate the software .

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FLOOR

Tushar

• May 9th, 2007

TRUNC will give same output as FLOOR

sahu

 Profile Answers by sahu Questions by sahu

• Jan 27th, 2006

Ans:Yes ,we can find the largest integer less than or equal to a specific valueFLOOR

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naveen_vangapalli1

• May 26th, 2007

The select statement goes to oracle server and the server responds

shashi

• Oct 25th, 2005

First it will look into the System Global Area (SGA) weather the query is been exectued earlier.If it exist, it would retrive the same output present in memory.If not the query we typed...

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rangunagaraj

 Profile Answers by rangunagaraj Questions by rangunagaraj

• Jul 6th, 2007

NORMALIZATION is a body of rules addressing analysis and conversion of data structures into relations that exhibit more desirable properties of internal consistency,minimal redundancy and maximum stab...

Ranjeev

• Apr 26th, 2006

Normalisation can be defined as a process to minimize, infact eliminate redundancy of data within the database. It first requires that redundancy is detected through the proper use of FD's( Functional...

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intelmental4

 Profile Answers by intelmental4 Questions by intelmental4

• Jul 23rd, 2007

BLOB is Binary Large ObjectWhen you declare any variable as image, text, ntext ... they would be BLOB data typesText = 2^31-1text = 2^30-1ntext = 2^31-1-Each text, ntext, image colum can in a table ca...

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B

sivaganeshb

• Aug 14th, 2007

Here, you are de-referring an un-intialized pointer(segmentation fault). A file called?"core" will create and it contains the "images of that program"

sabeena

• Apr 20th, 2007

I want to know what Core Dump means.

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A

swetha

• Aug 16th, 2007

The answer is A. Extern

robin singh

• Jun 11th, 2006

A: extern becoz v can access it any where

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meenakvasulochanan

 Profile Answers by meenakvasulochanan Questions by meenakvasulochanan

• Aug 17th, 2007

The column "duration" in all_tables will tell us whether the temporary table is defined with "on commit preserve row" or "on commit delete rows"The values :SYS$TRANSACTIO...

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Bharath

• Sep 6th, 2007

Actually the query returns an error like "expected NUMBER got CHAR"

SQL Devotee

• Jan 15th, 2007

Use coalesce.Eg:select coalesce(NULL,NULL,NULL,NULL,1,NULL,NULL,'a')This will give you 1 as the result.

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SELECT TRUNC(1234.5678,-2) FROM DUAL;1200

gemini burj

 Profile Answers by gemini burj Questions by gemini burj

• Oct 23rd, 2007

if the -ive parameter is passed under TRUNC function truncation will be used to below decimal place i.e-1 means Trunc to 10th (1234 becomes 1230)-2 means trunc to 100th (1234 becomes 1200)-3 means tru...

thumati_nagaraju@yahoo.co.in

• Nov 17th, 2006

This is -ve no given so it remove the digits before decimal point ... and replace it by zero if want to check it just try with -1 or -2 or -3 ok seeu byeee

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The main difference between the IN and EXISTS predicate in subquery is the way in which the query gets executed.IN -- The inner query is executed first and the list of values obtained as its result is used by the outer query.The inner query is executed for only once.EXISTS -- The first row from the outer query is selected ,then the inner query is executed and , the outer query output uses this result...

gemini burj

 Profile Answers by gemini burj Questions by gemini burj

• Oct 23rd, 2007

In case of a big number of list from the select list IN operator should not be used but the exists shall be used with the proper condition this will definetely make the query optimal query.

Mahesh

• Jul 24th, 2007

In operaor scan all the values inside the IN block where as EXIST quit after 1st occurrence.

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prabakaran

• Sep 18th, 2005

To retrieve data with SQL one row at a time you need to use cursor processing.Not all relational databases support this, but many do.Here I show this in Oracle with PL/SQL, which is Procedural Languag...

Prabakaran

• Sep 17th, 2005

To retrieve data with SQL one row at a time you need to use cursor processing. Not all relational databases support this, but many do.Here I show this in Oracle with PL/SQL, which is Procedural Langua...

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gemini burj

 Profile Answers by gemini burj Questions by gemini burj

• Nov 18th, 2007

 the translate function replaces a sequence of characters in a string with another set of characters. However, it replaces a single character at a time. For example, it will replace the 1st chara...

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gemini burj

 Profile Answers by gemini burj Questions by gemini burj

• Nov 18th, 2007

Pipelined functions are useful if there is a need for a data source other than a table in a select statementFor more details, following link is available.http://www.adp-gmbh.ch/ora/plsql/pipeline.html

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This is one of the questions I have on my interview exam. It is a take home exam and I have not learned SQL but the employers want to know my know my skills to find answers using any means possible. Question: Review the following SQL code and give a brief explanation SELECT 'AD', B.AccountID,'Change' FROM (SELECT DISTINCT A.sAMAccountName As AccountID from (select AG.sAMAccountName...

ajith007

 Profile Answers by ajith007 Questions by ajith007

• Dec 6th, 2007

Use of distinct, not in keywords make this code altogether complicated. But what I discern from this code 'catch' lies in FULL OUTER JOIN since it retreives all the data including your null values.The union here returns the cross product of query mentioned that includes your null values.

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anugrah17

 Profile Answers by anugrah17 Questions by anugrah17

• Jan 9th, 2008

above solution is also correct, but a join is always better :)--------------------------------------------------------------------------SELECT     Country.Name AS Country, Senator....

rajakumar_na

 Profile Answers by rajakumar_na Questions by rajakumar_na

• Nov 22nd, 2007

Try this,SELECT  c.name county,  s.name senatorFROM county c, senator sWHERE s.cid = c.cidORDERY BY county; Result;COUNTY          &nbs...

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what is the difference between the null in C and one in SQL?

Sudhir Sorout

 Profile Answers by Sudhir Sorout Questions by Sudhir Sorout

• Feb 4th, 2008

Null is a special marker used to indicate that a data value is unknown in the sql. But in case of ‘C’ A "null statement" is a statement containing only a semicolon; it can appear...

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