| |
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 | |