CoolInterview.com - World's Largest Collection of Interview Questions & Answers, FAQs, queries, sample papers, exam papers, dumps, what, why, how, where, when questions
Our Services
Get 9,000 Interview Questions & Answers in an eBook.




Get it now !!
Send your Resume to 6000 Companies

Search Interview Questions

Question: What is a basic difference between having and where clause?

Answer: WHERE clause will restrict the no of rows to be retrieved while where
HAVING clause will restrict groups.



Category Oracle Interview Questions & Answers - Exam Mode / Learning Mode
Rating (0.6) By 494 users
Added on 11/30/2012
Views 4497
Rate it!
Question: What is a basic difference between having and where clause?
Answer:

WHERE clause will restrict the no of rows to be retrieved while where
HAVING clause will restrict groups. Source: CoolInterview.com

Answered by: Madhavi | Date: 1/24/2008 | Contact Madhavi Contact Madhavi

HAVING clause is used to restrict the group functions.
WHERE clause is used to restrict the rows returned by the query. Source: CoolInterview.com

Answered by: Aniket Govilkar | Date: 1/29/2008 | Contact Aniket Govilkar Contact Aniket Govilkar

Where clause is used to filter individual rows but Having clause is used to filter group of rows. Source: CoolInterview.com

Answered by: Ankit Vohra | Date: 1/30/2008 | Contact Ankit Vohra Contact Ankit Vohra

where clause is used in single row functions and having clause is used in multi row functions Source: CoolInterview.com

Answered by: GOMATHI | Date: 2/7/2008 | Contact GOMATHI Contact GOMATHI

Where clause is used to enforce condition on select statement and it comes prior to group by clause.
Having clause is used to enforce condition on group function and it comes after the group by clause.
Using where clause we can elimiate rows before it going to group and having clause used to restrict rows of the group and applies on group function. Source: CoolInterview.com

Answered by: Bindhu balan | Date: 2/21/2008 | Contact Bindhu balan Contact Bindhu balan

basically, having and where clause
use for filter purpose.where clause use for restrict the particular rows.
Having clause used to restrict the particular groups that means, using having clause
we can restrict which groups to be shown. Source: CoolInterview.com

Answered by: sudipta das | Date: 2/27/2008 | Contact sudipta das Contact sudipta das

The where can't be used to filter the records based on a group function where as a having clause can be used. Source: CoolInterview.com

Answered by: sirisha | Date: 3/3/2008 | Contact sirisha Contact sirisha


If you have the better answer, then send it to us. We will display your answer after the approval

Rules to Post Answers in CoolInterview.com:-

  • There should not be any Spelling Mistakes.
  • There should not be any Gramatical Errors.
  • Answers must not contain any bad words.
  • Answers should not be the repeat of same answer, already approved.
  • Answer should be complete in itself.

Post your answer here

Inform me about updated answers to this question.
Related Questions
View Answer
Why oracle is the best database?
View Answer
I WANT TO BECOME A DBA ADMINISTRATOR.
SO,FOR THAT WHAT CAN I PREPARE NOW?
View Answer
What is Trigger at one Line?
View Answer
If the application is running very slow? At what points you need to go about the database in order to improve the performance?

View Answer
Explaint the nvl2 function

View Answer
what is place holder column?
where we can use other than formula column?

View Answer
What is the difference between groupby and orderby?

View Answer
What is the process of upgrading oracle forms /reports from older version to new versions?

View Answer
How many codds rule should oracle satisfies

View Answer
What is the difference between object library and pl/sql library

View Answer
List out differences between Oracle Server 9i and Oracle Server 10g.

View Answer
Explain truncate with restore option with example

View Answer
What is the difference between Anonymous Block and subprogram?
Can we call a procedure from Anonymous PL/SQL block?


View Answer
How to get a calender in date field in oracle forms?

View Answer
I have a server with 2GB RAM.Who is the optimal size for the shared pool size
The shared pool reserved size is 1/10 to shared pool size
Is there a mathematic type for compute the shared pool size ?


View Answer
I want to know that..is there any special way to login into oracle SQL*PLUS Editor directly..Rather than every time u have enter user,password,host string...what should i do with login.sql script.. i Put it in /Bin directory..but not working..

View Answer
Explaint the nvl2 function

View Answer
When transporting a tablespace from one database to another, it should be
a. Read-only.
b. Offline.
c. Online.
d. Tablespace status does not matter.
View Answer

Which NLS parameter can be specified only as an environment variable?
a. NLS_LANGUAGE
b. NLS_LANG
c. NLS_TERRIROTY
d. NLS_SORT

View Answer
Which parameter in the export file is used to specify a structure ?only export (no rows)?
a. ROWS
b. TABLE
c. NODATA
d. DIRECT

View Answer

Please Note: We keep on updating better answers to this site. In case you are looking for Jobs, Pls Click Here Vyoms.com - Best Freshers & Experienced Jobs Website.

View All Oracle Interview Questions & Answers - Exam Mode / Learning Mode




India News Network
Latest 20 Questions
Payment of time- barred debt is: (a) Valid (b) Void (c) Illegal (d) Voidable
Consideration is defined in the Indian Contract Act,1872 in: (a) Section 2(f) (b) Section 2(e) (c) Section 2(g) (d) Section 2(d)
Which of the following is not an exception to the rule, "No consideration, No contract": (a) Natural love and affection (b) Compensation for involuntary services (c) Completed gift (d) Agency
Consideration must move at the desire of: (a) The promisor (b) The promisee (c) The promisor or any other party (d) Both the promisor and the promisee
An offer which is open for acceptance over a period of time is: (a) Cross Offer (b) Counter Offer (c) Standing Offer (d) Implied Offer
Specific offer can be communicated to__________ (a) All the parties of contract (b) General public in universe (c) Specific person (d) None of the above
_________ amounts to rejection of the original offer. (a) Cross offer (b) Special offer (c) Standing offer (d) Counter offer
A advertises to sell his old car by advertising in a newspaper. This offer is caleed: (a) General Offer (b) Special Offer (c) Continuing Offer (d) None of the above
In case a counter offer is made, the original offer stands: (a) Rejected (b) Accepted automatically (c) Accepted subject to certain modifications and variations (d) None of the above
In case of unenforceable contract having some technical defect, parties (a) Can sue upon it (b) Cannot sue upon it (c) Should consider it to be illegal (d) None of the above
If entire specified goods is perished before entering into contract of sale, the contract is (a) Valid (b) Void (c) Voidable (d) Cancelled
______________ contracts are also caled contracts with executed consideration. (a) Unilateral (b) Completed (c) Bilateral (d) Executory
A offers B to supply books @ Rs 100 each but B accepts the same with condition of 10% discount. This is a case of (a) Counter Offer (b) Cross Offer (c) Specific Offer (d) General Offer
_____________ is a game of chance. (a) Conditional Contract (b) Contingent Contract (c) Wagering Contract (d) Quasi Contract
There is no binding contract in case of _______ as one's offer cannot be constructed as acceptance (a) Cross Offer (b) Standing Offer (c) Counter Offer (d) Special Offer
An offer is made with an intention to have negotiation from other party. This type of offer is: (a) Invitation to offer (b) Valid offer (c) Voidable (d) None of the above
When an offer is made to the world at large, it is ____________ offer. (a) Counter (b) Special (c) General (d) None of the above
Implied contract even if not in writing or express words is perfectly _______________ if all the conditions are satisfied:- (a) Void (b) Voidable (c) Valid (d) Illegal
A specific offer can be accepted by ___________. (a) Any person (b) Any friend to offeror (c) The person to whom it is made (d) Any friend of offeree
An agreement toput a fire on a person's car is a ______: (a) Legal (b) Voidable (c) Valid (d) Illegal
Cache = 0.046997 Seconds