When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is__________________
When the foreign key refers to a tuple which does not exists in subjected relation then the constraint violated is__________________
The distribution in which each row denote some related values collection is classified as ___________
The distribution in which each row denote some related values collection is classified as ___________
In relational database schemas, the state constraints are also known as _______________
In relational database schemas, the state constraints are also known as _______________
The tuples in relation are sensitive to____________
The tuples in relation are sensitive to____________
The format or data type must be specified for_____
The format or data type must be specified for_____
The ordered list of all the n-values is classified a _____________
The ordered list of all the n-values is classified a _____________
In formal relational model, the set of indivisible values is called____________
In formal relational model, the set of indivisible values is called____________
The values which cannot be divided further are classified as______________
The values which cannot be divided further are classified as______________
On a relational database, the kind of constraint which must be specified and does not contain large classes of constraints is considered as________________
On a relational database, the kind of constraint which must be specified and does not contain large classes of constraints is considered as________________
The state in which the database does not follow integrity constraints is classified as___________
The state in which the database does not follow integrity constraints is classified as___________
The operation which violates only one constraint called referential integrity when it is performed is called ______________
The operation which violates only one constraint called referential integrity when it is performed is called ______________
When the primary key is null of the new tuple then the constraint violated is ____________
When the primary key is null of the new tuple then the constraint violated is ____________
The key which specifies that two different tuples cannot have the same value is classified as _____________
The key which specifies that two different tuples cannot have the same value is classified as _____________
In relational model terminology, the table is considered as _______________
In relational model terminology, the table is considered as _______________
In the data model schemas, the constraints that are can not be expressed directly are classified as________
In the data model schemas, the constraints that are can not be expressed directly are classified as________
The multivalued dependencies used to develop relational design theory of______________
The multivalued dependencies used to develop relational design theory of______________
The constraint which is used to specify the consistency in two or more relations among tuples is classified as______________
The constraint which is used to specify the consistency in two or more relations among tuples is classified as______________
The type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as_____________
The type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as_____________
The column header of table in relational model terminology is classified as_______________
The column header of table in relational model terminology is classified as_______________
The cardinality in relational data model is considered as______________
The cardinality in relational data model is considered as______________