Relations of data cube are often very
Specifying tuples within a given relation, are expressed in terms of the
In a three-tier architecture, client end communicates with an
Drop-down menus and list boxes controls can be associated with an object named
A relation, say r1, may include among its attributes primary key of another relation, say r2. r2 is also known as
Relational model eases job of programmer, compared to earlier data models such as
Referential integrity constraints other than foreign key constraints are not shown explicitly in
Select * from employee What type of statement is this
Create table employee (name varchar ,id integer) What type of statement is this