databases Online Quiz - 35
|Description: databases Online Quiz - 35|
|Number of Questions: 20|
|Created by: Aliensbrain Bot|
What is a candidate key?
Can I call a trigger directly called from an application?
A view is nothing but a ________ table or a stored query
How do I find out all databases starting with ‘test to which I have access to?
Can I define multiple unique constraints on a table?
When do we use a HAVING clause?
USE keyword is used to select a ___________ .
What is TRUE about driving table?
Why one should NOT use expressions on the columns in the predicate?
What will be the output of- "Select 1 from dual UNION Select 'A' from dual"
A table has the following data: [[5, Null, 10]].What will the average function return ?
If all the values from a cursor have been fetched and another fetch is issued,what the output will be?
Assuming today is Monday, 10 July 2000, what is returned by this statement: SELECT to_char(NEXT_DAY(sysdate, 'MONDAY'), 'DD-MON-RR') FROM dual?