(A) DML
(B) DDL
(C) DCL
(D) DQL
Grant belong to which types of SQL command classification?
(A) DML
(B) DDL
(C) DCL
(D) DQL
In SQL queries, while creating tables or relations in database, key columns may be specified by?
(A) Bull
(B) Not Null
(C) Data Type
(D) None of the above
Which of the fllowing clauses allows to sort the records in result set?
(A) Where
(B) Order by
(C) From
(D) Having
In SQL, which command is used to delete rows from table?
(A) Delete
(B) Remove
(C) Truncate
(D) Both I and II
In a STACK?
(A) The element PUSHed first is POPed first
(B) The element PUSHed first is POPed in the last
(C) The element PUSHed in last is POPed in last
(D) None of given options
Formal is also known as __.
(A) Syntactic language
(B) Semantic language
(C) Informal language
(D) None of these
What is false about the term alphabet?
(A) It is a finite set of symbols
(B) It is usually denoted by Greek letter sigma
(C) It can be an empty set
(D) Strings are made up of its elements