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Question 1 Explain the concept of database recovery management. Explain the different levels of backup used for recovering data
Question 2 What are the different types of partitioning techniques? Describe in detail
Question 3 Discuss the concept of Type Hierarchies and Inheritance with example. Also illustrate multiple inheritances
Question 4 Explain the functions and components of DDBMS
Question 5 Differentiate between RDBMS, OODBMS and ORDBMS
Question 6 What is active database? Explain what are the active rules for oracle?
In an E-R diagram an entity set is represent by? In an E-R digram entity set is represted by rectangle.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
Reflects organisational structure: Many organizations are distributed over various locations. If an organisation has many offices in dissimilar cities, databases used in such an ap
read-set(T) : Each data items that are read by a transaction T Timestamps : for all transaction T, the start-time and the end time are reserved for all the three phases.
1.Suppose you are given a dataset that consists of a random sample of tasters, on which the following variables were obtained: (y) Zpref = taste preference for green beans store
East Coast Aquarium Relational Database
Durability : This property necessitates that once a transaction has committed, the changes made by it be never lost because of subsequent failure. Thus, a transaction is also a bas
What is Asterisk in SQL? Asterisk (*): In SQL, the columns for all the tables and views in the FROM clause will be displayed.
What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
Determine the Persistent object Persistent object can be stored in one of the following: Files Cheap, permanent, simple storage Low level (Write, Read) Ap
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