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Explain what is RDBMS ?
RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need few assumptions about how data is associated or how it will be extracted from the database. As an output, the similar database could be viewed in several different ways. A significant characteristic of relational system is that a single database can be spread across several tables. This differs from flat-file databases, in that each database is self-contained within a single table.
(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
Ask question #Minim 100 words accepted#what is recovery management component in database management system and how it is useful
You are required to implement integrity constraints within the database to enforce the following requirements: For Projects: Start date must be supplied. Start date cannot be i
what is primary key
What is candidate key? Candidate Key - A candidate key of an entity set is a minimal superkey, which uniquely identifies each row in the relation.
Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.
Need an expert in ER database theoretical and modeling database system Project Description: Need an expert in ER database theoretical and modeling database systems? Skills
Farmer Bob, Farmer Jane and Farmer Jose run a cow farming co-op. For every cow they keep the cow’s name, age (or date of birth), breed and numbered plastic ear tag. The each of t
What is the use of keyword ISA? The use of keyword ISA is to show that a class is a specialization of another class.
A Structure of a dependency diagram
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