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What are the two types of errors?
The two types of errors are:
a) Logical error
b) System error
It defines that the tuple in one relation that refers to another relation must refer to an existing tuple in that relation. This constraint is states on two relations (not essentia
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
Objectives After Reading this part, you should be able to: Explain the term CONCURRENCY; Describe the term transaction and concurrent transactions; Talk about co
QUESTION (a) Using an appropriate example, explain what is a recursive function? (b) Explain in detail the C++ function given below. void search2(int list[],int n,int ele
Difference between Operating System and Database Security Security within the operating system can be executed at various levels ranging from passwords for access to system, t
Implementation of association as an object Implement as a separate association object, independent of either class, as in Figure. An association object is a group of pairs
ER diagram on cosmetics
Define a property that is not a property of transactions? Ans: Concurrency is not a property of transactions
Give an example of enforcement in Typing. You can understand the idea of enforcement as it makes sure objects of dissimilar classes may not be interchanged as below: Exampl
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