Question
Which of the following is used to uniquely identify a
record in a database table?Solution
"A Primary Key uniquely identifies each record in a database table. It ensures no two records have the same value in the specified field. A table can have only one primary key. Primary keys cannot contain NULL values. Used for indexing and referencing."
Fill in the blanks with appropriate words/phrases from the options.
The government said the expansion of the vaccination drive to ____________ al...
When his company’s stock price dropped under a dollar, the CEO decided to ___________ his title and leave the firm.
They have to _____________ with elephants, hippos, bushpigs, porcupines, vervet monkeys, baboons and birds which are after their crops.
...He talked on and on ______ .
Without a _____________ set of policies to persuade the electorate, the Republicans have resorted to sloganeering and empty rhetoric.
Select the most appropriate option for the blank.
By the time we reached the station, the train ______ already ______.
He uses simple lines and bright colours _________ detailed illustrations.
Mohnish and Ravi _____ to Canada next month. Â
Select the most appropriate option to fill in the blanks.
The Statue of Unity is the world's _______ statue and an iconic landmark of new India.
In each of the following sentences there is one blank space. Find out which word can be filled up in the blanks in sentence in the same sequence to mak...