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.
How any Data Structure application is categorized among files?
Briefly explain SQL Server 2005 Business Intelligence components?
Define the RETURN statement.
Explain the term Enterprise and Workgroup modes?
Explain the term Coalesce. Answer: Coalesce is also obtainable in Sybase, this function estimates the listed expressions and returns the first non-null value.
Described the impact of signed numbers upon the memory by using Data Structures?
What do you understand by the term snapshot replication in DBMS?
Elucidate how can we get first 100 rows from flat file in the target?
Illustrates the term data structure node class?
Does SDLC modify when you use the Teradata rather than Oracle?
18,76,764
1947596 Asked
3,689
Active Tutors
1428811
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!