An identifier, that is used to rename a relation is referred to as a
A relation, say r1, may include among its attributes the primary key of another relation, say r2. the r1 is also known as
SQL supports forms of user-defined data types, in form of
A relation, say r1, may include among its attributes primary key of another relation, say r2. r2 is also known as
An example of sexist language, using him, he or his for an unknown reader, known as
To specify duplicate retention, we can use keyword in place of distinct, which is
Referential integrity constraints other than foreign key constraints are not shown explicitly in
User instructs system to perform a sequence of operations on database to compute desired outcome, is known as
Relational model is today primary data model for commercial
What type of symmetric key algorithm using a streaming cipher to encrypt information
In a given relationship R, if an attribute A uniquely defines all other attributes, then the attribute A is a key attribute which is also known as the _________ key
Select * from employee What type of statement is this
The outcrop pattern of folded sedimentary strata on the map given below represents
When 40 is subtracted from 50% of a number, the result is 50% of 500. Find one-tenth of the number
