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Question:
One of the tasks a database management system must perform is to ensure that the data is still intact in the face of software and hardware failure. This task is known as recovery.
(a) Describe the three basic steps involved in recovery.
(b) Describe the three types of failure in a database system. Support your answer with appropriate example.
(c) Explain in details how you would recover from all the three types of the failure described above.
What are the two approaches to store relations in distributed database? a) Replication b) Fragmentation
gyan gurukul is a software company that provides software related solution.
Problem 1. Describe the following a) Advantages of Database Systems b) Functions of a DBMS Explanation of part (a) and (b) 2. Explain the following concepts w
What is database utility? Database utility is the interface among the ABAP/4 Dictionary and the underlying the SAP system.
A field-groups statement or an insert statement reverses storage space and transfers values. False.
What does authentication refer? Authentication refers to the task of verifying the uniqueness of a person.
What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
SELECT Statement This statement is used for retrieving information from the databases. It can be coupled with many clauses. Let us talk about these clauses in more detail:
The natural join is equal to which product? The natural join is equal to Combination of projection and Cartesian product
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