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What is a checkpoint? List the operations to be performed by the system when a checkpoint is to be taken. What does the recovery system do if there is a crash? There is large n
what is correlation in nested query
What is key ? Key - A single attribute or a combination of two or more attributes of an entity set which is used to recognize one or more instances (rows) of the set (table) is
what benefit can a company gain by managing its own infrasture and services
What is transaction? Transaction is a unit of program implementation that accesses and possibly updated several data items.
Section A: Use the following tables to create a database called College. Use SQL commands. Student stuid(primary) lastName firstName
Part 1: Security Plan Consider the Case study and identify 3 security requirements. For each of these security requirements: • Discuss the necessity for the feature and how
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
Which operator is used to compare a value to a list of literals values that have been specified? BETWEEN operator is used to compare a value to a list of literals values that h
Explain the cartesian product in Database Management System
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