Sunday 9 April 2017

SQL Interview Questions

1.Define SQL?

2.Define Dbms?

3.What is the purpose of Database systems?

4.State the different between Security and Integrity?

5.Define Normalisation?

6.Define Primary Key?

7.Define Unique Key?

8.Compare and contrast TRUNCATE and DELETE for a table?

9.What is cursors?

10.Define Foreign Key?

11.Define Self Join?

12.What is a tuple?

13.What is meant by embedded SQL?

14.What is Functional Dependency?

15.What are the different phases of transaction?

16.What the difference between UNION and UNIONALL?

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