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GATE | GATE-IT-2004 | Question 76
A table T1 in a relational database has the following rows and columns:
The following sequence of SQL statements was successfully executed on table T1.
| roll no. | marks |
| 1 | 10 |
| 2 | 20 |
| 3 | 30 |
| 4 | Null |
Update T1 set marks = marks + 5 Select avg(marks) from T1What is the output of the select statement?
(A)
18.75
(B)
20
(C)
25
(D)
NULL
Answer
Please comment below if you find anything wrong in the above post
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