Usage of concurrent execution of transactions improves
In database management system, term which is used to represent real world concept or object is classified as
Key which specifies that two different tuples cannot have same value is classified as
Mapping cardinalities are useful in describing
Constraint which is used to specify consistency in two or more relations among tuples is classified as
Graphical representation of database description is called
Updates that violate __________ are disallowed
Which is a bottom-up approach to database design that design by examining the relationship between attributes
Create table employee (name varchar ,id integer) What type of statement is this