WHAT IS USE OF COALESCE KEYWORD

Posted by Suthahar on Saturday, October 20, 2012 1 comment

step 1:

CREATE TABLE COLLEGE(SID NVARCHAR(10),SNAME NVARCHAR(20),PLACE NVARCHAR(20))

Step 2:

INSERT INTO COLLEGE VALUES(1,'SURESH',NULL),(NULL,'RAMESH','PUDUKKOTTAI'),(3,'RAMU','COIMBATORE')

-- ABOVE QUERY WILL RUN ONLY SQL 2008,2012

STEP 3:

SELECT COALESCE(SID,SNAME,PLACE) AS 'STUDNAME' FROM COLLEGE

STEP 4:

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Suthahar Jegatheesan is Mobile and Cloud Specialist/Architect and he has 15+ years of IT experience as a Technology Consultant /Programmer/Developer in IT industry. Suthahar is an industry luminary focused on AI, Computer Vision, Bot, Machine Learning, UWP, Azure, Xamarin and Web Emerging User Experiences as subject matter expert (SME) in implementation, architecture, development and administration.
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1 comment:

  1. UnknownOctober 22, 2012 at 7:11 PM

    sir this is the answer sir
    1
    RAMESH
    3

    but y it takes 3ed value as 3 sir?

    ReplyDelete

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