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04 September 2009
Covering Constraint
Covering Constraint - within an ISA hierarchy, a covering constraint determines where the entities in the subclasses collectively include all entities in the superclass.
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Database Management System (DBMS)
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2009
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September
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Basic Structure of SQL
SQL
Data Abstraction
Database System Applications
Data Model
Database System Utilities
DBMS Interfaces
A Brief History of Database Applications
The main characteristics of the database managemen...
What is the most important difference between a di...
Why are I/O costs important in a DBMS?
Why does a DBMS store data on external storage?
When is an XML document well-formed? When is an XM...
What is the difference between a webserver and an ...
Role Indicator
Aggregation
Weak Entity Set
Covering Constraint
Overlap Constraint
Participation Constraint
Many-to-Many Relationship
One-to-Many Relationship
Relationship Set
Entity Set
Relationship
Entity
Domain
Attribute
Why does a DBMS interleave the actions of differen...
Transaction
The responsibilities of a DBA
The difference between logical and physical data i...
The advantages of using a DBMS are given below:
Why would you choose a database system instead of ...
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