How in a relation a supertype or subtype is mapped
Explain how in a relation a supertype or subtype is mapped?
Expert
A separate relation is created for each and every supertype and subtype. The attributes general for all of the subtypes are allocated to the supertype. Each and every subtype has the primary key from the supertype assigned to it. A subtype discriminator is added to the supertype.
What do you understand by the term Relationships in DBMS?
Illustrate briefly the term insertion and deletion anomalies?
Explain terms Procedure Cache in Sybase. Answer: It is the memory area where compiled query tree run for example: procedure and batch query.
Explain the working of the IPC Stage?
How many modes are there in Business objects and Designer?
Write down a short note on the difference between partial specialization and total specialization.
Explain the Scope of Analysis?
Explain the Aggregate Awareness?
Elucidate briefly what is batch and also give explanation about the types of batches?
Write down the differentiation between Informatica8.0 and 7.0?
18,76,764
1923591 Asked
3,689
Active Tutors
1441918
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!