A relation is in ____________ if an attribute of a composite key is
Practice Normalization Questions –
A relation is in ____________ if an attribute of a composite key is dependent on an attribute of other composite key.
Fifth Normal form is concerned with
Practice Normalization Questions –
Fifth Normal form is concerned with
Which formal method that locates and analyses relation schemas on t
Practice Normalization Questions –
Which formal method that locates and analyses relation schemas on the basis of their primary, candidate keys, and the FD’s that are present among the attributes of these schemas ?
The operation which is not considered a basic operation of relation
Practice Relational Algebra –
The operation which is not considered a basic operation of relational algebra is
Relational Algebra does not have
Practice Relational Algebra –
Relational Algebra does not have
The values of the attribute describes a particular_____________&nbs
Practice Entity (DBMS) Questions –
The values of the attribute describes a particular_____________
A functional dependency of the form x → y is trivial if <
Practice Trivial Dependancy –
A functional dependency of the form x → y is trivial if
The data models defined by ANSI/SPARC architecture are
Practice Data Models Questions –
The data models defined by ANSI/SPARC architecture are
Which of the following is a reason to model data?
Practice Data Models Questions –
Which of the following is a reason to model data?
Practice ER Diagram Questions – The ability to modify the conceptual schema without causing any change to the application program is known as :