What is a disjoint less constraint, Database Management System

Assignment Help:

What is a disjoint less constraint?

Ans: It needs that an entity belongs to no much more than one level entity set.

Disjoint less constraint needs that an entity belongs to no more than one level entity set. (the meaning of Disjoint less constraint is that an entity can be a member of at most one of the subclasses of the specialization.)

Related Discussions:- What is a disjoint less constraint

Explain optimistic locking and pessimistic locking, Explain the difference ...

Explain the difference between optimistic locking and pessimistic locking. Optimistic locking supposes no transaction conflict will occur and deals with the consequences if it

Defining internal classes and operations, Defining Internal Classes and Ope...

Defining Internal Classes and Operations When we enlarge algorithms, new classes can be added to the store intermediate results. A complex operation could be looked at, as a c

Explain in details about data sharing, Explain in details about Data Shari...

Explain in details about Data Sharing

Primary key, The primary key is selected from the

The primary key is selected from the

Which language has recently become the defacto standard, Which language has...

Which language has presently become the defacto standard for interfacing application programs along with relational database system? The language which has recently become the

Describe the primary key functions, Describe the primary key functions? ...

Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit

DBMS , need a DBMS system on any data for assignment.

need a DBMS system on any data for assignment.

Implement a cache simulator, You are required to program (in a high level l...

You are required to program (in a high level language such as C, C++, Java) and implement a cache simulator which will have the following inputs and outputs:- INPUTS

Define assertions in sql, Define Assertions in SQL a. An assertion is a...

Define Assertions in SQL a. An assertion is a predicate that is expressing a condition we wish the database to always satisfy. b. Domain constraints, functional dependency

Transactions and concurrency management, Transactions And Concurrency Manag...

Transactions And Concurrency Management Introduction One of the main benefits of storing data in an integrated repository or a database is to permit sharing of it betwee

Write Your Message!

Name

Email id

Message

Verfication Code

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

Submit Assignment

User Account

All Pages