Question
Find the wrong number in the given number series.
8, 9, 64, 25, 216, 49Solution
2³ = 8
3² = 9
4³ = 64
5² = 25
6³ = 216
7² = 49
This series is correct.
Which of the following is used to enforce referential integrity?
Which key uniquely identifies a record in a table?
Which layer of the OSI model handles logical addressing and routing?
Which type of DBMS model organizes data in tables with rows and columns?
Which type of join returns rows when there is a match in both tables?
Which of the following matches the definition given below: It is an artificial key that aims to uniquely identify each record.
Which of the following is a transaction property ensuring all steps are completed or none?
In a relational database, what is a candidate key?
In relational algebra, the operation that combines tuples from two relations using common attribute values is:
Deadlock occurs when:
