Question
Which constraint ensures that no duplicate values exist
in a column?Solution
UNIQUE ensures that all values in a column are distinct, though it allows NULL values unless specified otherwise.
P started a work by investing ₹6,000. After 6 months Q joined with an amount of ₹14,000. After 1 year R joined with ₹12,000. After two years of wo...
If P@Q means P is the father of Q, P*Q means P is the brother of Q, P%Q means P is the mother of Q and P$Q means P is the daughter of Q, then in M % I $...
Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.
Four letter-clusters have been given, out of which three are alike in some manner and one is different. Select the odd letter-cluster.
What should come in place of the question mark (?) in the given series?
7 12 16 30 34 66 70 ?
Piyush ranked 28th from the top and 54th from the bottom in his class. How many students are there in his class?
Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?
(NOTE: Operati...
In a certain language, if the signs + and ×, and the digits 3 and 8 are interchanged, then what is the value of the following expression?
6 ×...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance...
Three of the following letter-clusters are alike in some manner and one is different.
Select the one that is different.
