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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?
Explain the Recoverable Schedule A recoverable schedule is one in which for each pair of transactions Ti and Tj such that Tj reads a data item formerly written by Ti, the comm
Describe briefly models which define the operations on classes. The three models which are used to define operations on classes are as: Object Model = data dictionary + Obje
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Optimistic Concurrency Control Is locking the only way to stop concurrency related problems? There exist some other ways too. One such way is known as an Optimistic Concurrency
Define two-phase locking protocol. Ans: Two-phase locking is significance in the context of ensuring that schedules are serializable. The two-phase locking protocol defines a p
A Relation Schema represented by R(A1, A2, ..., An) is made up of the relation name the list of attributes and R Ai that it contains. A relation is described as a set of tuples
average response time?
Give some encryption techniques? A) DES B) AES C) Public key encryption
1. Use the Invoice table structure shown below to answer the following questions: a) Draw the dependency diagram and identify the primary key and all dependencies, including al
what is un ordered and ordered file managment?
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