The DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as ______________
The DIVISION operation can be applied to two relations A and B such as R(A) ÷ R(B) where as ______________
The Boolean expression used in the SELECT operation consists of clauses such as_______________
The Boolean expression used in the SELECT operation consists of clauses such as_______________
: If the common attributes of two relations are classified as join attributes then the OUTER UNION must be equal to ________________
: If the common attributes of two relations are classified as join attributes then the OUTER UNION must be equal to ________________
The kind of operation by which one tuple can be created with the help of combining tuples from two relations is classified as________________
The kind of operation by which one tuple can be created with the help of combining tuples from two relations is classified as________________
The expression used in relational calculus to specify request of retrieval is classified as_____________
The expression used in relational calculus to specify request of retrieval is classified as_____________
The compatibility condition which states that the relations for union and intersection operations must consist of same type of tuples is classified as ________________
The compatibility condition which states that the relations for union and intersection operations must consist of same type of tuples is classified as ________________
If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first and second relation is classified as________________
If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first and second relation is classified as________________
The operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as _______________
The operators in SELECT operation statement such as 'and' , 'or' and 'not' are classified as _______________
Consider two tuples R and S, the maximum size of R and S relations is divided to expected size of join is classified as________________
Consider two tuples R and S, the maximum size of R and S relations is divided to expected size of join is classified as________________
In the notation for query trees, the node which is used to terminate the execution is classified as _______________
In the notation for query trees, the node which is used to terminate the execution is classified as _______________
The operations which are used to enhance the power of expression of relational algebra includes_______________
The operations which are used to enhance the power of expression of relational algebra includes_______________
The types of binary operations includes _________________
The types of binary operations includes _________________
In a query tree, the operations of relational algebra are classified as______________
In a query tree, the operations of relational algebra are classified as______________
In unary relational operations, the symbols such as equal to, less than and greater than are classified as ________________
In unary relational operations, the symbols such as equal to, less than and greater than are classified as ________________
The operation which is used to take union of tuples from the relations that are not union compatible is classified as ________________
The operation which is used to take union of tuples from the relations that are not union compatible is classified as ________________
In the relational calculus, the variables are bounded with the help of ____________
In the relational calculus, the variables are bounded with the help of ____________
Because of the calculus expression, the relational calculus is considered as ______________
Because of the calculus expression, the relational calculus is considered as ______________
Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as______________
Consider two tuples X and Y, the operation whose result includes tuples that are only in X but not in Y is classified as______________
As compared to Cartesian product, the tuples which appears in the result by applying JOIN are the ones_____________
As compared to Cartesian product, the tuples which appears in the result by applying JOIN are the ones_____________
The operation which allows to process relationships from multiple relations rather than single relation is classified as ___________________
The operation which allows to process relationships from multiple relations rather than single relation is classified as ___________________