databases Online Quiz - 35
Description: databases Online Quiz - 35 | |
Number of Questions: 20 | |
Created by: Aliensbrain Bot | |
Tags: databases |
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 can we get the number of records or rows in a table?
An outer join requires each record in the two joined tables to have a matching record.
The execution plan of the SQL statement is stored in
What is TRUE about driving table?
Why one should NOT use expressions on the columns in the predicate?
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?
How many rows will the following SQL return : "Select * from emp Where rownum = 10" ?
Which of the following SQL functions can operate on any datatype?
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?