My Report

Database Management System Practice Test 9


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. In a database the file is contained in ________

2. Which refers to a property of computer to run several operation simultaneously and possible as computers await response of each other

3. ANSI-standard SQL allows the use of special operators in conjunction with the WHERE clause. A special operator used to check whether an attribute value is null is

4. A system is in a ______ state if there exists a set of transactions such that every transaction in the set is waiting for another transaction in the set.

5. Which of the following is the original purpose of SQL?

6. How many types of insertion anomalies:

7. Database security helps organizations to protect data from _____

8. When transaction Ti requests a data item currently held by Tj, Ti is allowed to wait only if it has a timestamp larger than that of Tj (that is, Ti is younger than Tj ). Otherwise, Tj is rolled back (Tj is wounded by Ti). This is

9. Which of the following is a property of transactions?

10. How many types of recovery control techniques:


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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