CoolInterview.com - World's Largest Collection of Interview Questions
Start Your Own website Now
Sponsored Links

Interview Questions
Our Services

Get 9,000 Interview Questions & Answers in an eBook.


  • 9500+ Pages
  • 9000 Question & Answers
  • All Tech. Categories
  • 14 MB Content

    Get it now !!



    Send your Resume to 6000 Companies


  • INTERVIEW QUESTIONS DATABASE POSTGRESQL DETAILS
    Question :
    What are the properties and different Types of Sub-Queries?
    Category PostgreSQL Interview Questions
    Rating (0.3) By 46 users
    Added on 3/20/2012
    Views 243
    Rate it!
    Answers:

    Properties of Sub-Query
    A sub-query must be enclosed in the parenthesis.
    A sub-query must be put in the right hand of the comparison operator, and
    A sub-query cannot contain an ORDER-BY clause.
    A query can contain more than one sub-query.
    Types of Sub-Query
    Single-row sub-query, where the sub-query returns only one row.
    Multiple-row sub-query, where the sub-query returns multiple rows,. and
    Multiple column sub-query, where the sub-query returns multiple columns



    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.
  • Name :*
    Email Id :*
    Answer :*
    Verification Code Code Image - Please contact webmaster if you have problems seeing this image code Not readable? Load New Code
    Process Verification  Enter the above shown code:*
    Inform me about updated answers to this question

       
    Related Questions
    View Answer
    What is the difference between a HAVING CLAUSE and a WHERE CLAUSE?
    View Answer
    When is the use of UPDATE_STATISTICS command?
    View Answer
    What is difference between DELETE and TRUNCATE commands?
    View Answer
    What's the difference between a primary key and a unique key?
    View Answer
    What is OLTP (Online Transaction Processing)?
    View Answer
    What are different types of Collation Sensitivity?
    View Answer
    What are the different index configurations a table can have?
    View Answer
    What are the difference between clustered and a non-clustered index?
    View Answer
    Which TCP/IP port does SQL Server run on? How can it be changed?
    View Answer
    What is DataWarehousing?
    View Answer
    What is Identity?
    View Answer
    What is User Defined Functions? What kind of User-Defined Functions can be created?
    View Answer
    What are primary keys and foreign keys?
    View Answer
    What are different Types of Join?
    View Answer
    What is sub-query? Explain properties of sub-query?
    View Answer
    What is Difference between Function and Stored Procedure?
    View Answer
    What is Collation?
    View Answer
    What is Cursor?
    View Answer
    What is a Linked Server?
    View Answer
    What is Index?
    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 PostgreSQL Interview Questions

    User Options
    Sponsored Links


    Copyright ©2003-2014 CoolInterview.com, All Rights Reserved.
    Privacy Policy | Terms and Conditions

    Download Yahoo Messenger | Placement Papers| FREE SMS | ASP .Net Tutorial | Web Hosting | Dedicated Servers | C Interview Questions & Answers

    Testing Articles | Testing Books | Testing Certifications | Testing FAQs | Testing Downloads | Testing Interview Questions | Testing Jobs | Testing Training Institutes


    Cache = 2.375 Seconds