GeekInterview.com
   Home |  Tech FAQ  |   Interview Questions |  Placement Papers |  Tech Articles |  Learn |  Freelance Projects |  Online Testing |  Geeks Talk |  Job Postings |  Knowledge Base | Site Search |  Add/Ask Question

  GeekInterview.com  >  Interview Questions  >  Oracle  >  SQL

 Print  |  
Question:  write a query to update third column such that

Answer: There is a table having the following columns :-
student id marks1 marks2 maxmarks
1 10 20 20
2 25 30 30
3 30 10 30
4 35 25 35
5 20 40 40


write a query to update column maxmarks such that maxmarks column contains
whatever be the greater value among marks1 and marks2 columns ( as shown in table ).


April 04, 2009 02:59:31 #10
 ImransP   Member Since: April 2009    Total Comments: 1 

RE: write a query to update third column such that
 
update student set maxmarks=(select max(mark1,mark2) from student)
     

 

Back To Question