| Snaprecruit.com

| Snaprecruit.com

Interview question based on skill :

Take as many assements as you can to improve your validate your skill rating

Total Questions: 5

1. ACID stands for

Correct Answer is : Atomicity, Consistency, Isolation, Durability

2. Prev LSN in database log is constructed using________ data structure

Correct Answer is : Link List

3. Each table in a database can have _______ primary key

Correct Answer is : Only one

4. To create a PRIMARY KEY constraint on existing table “EMPLOYEE” on "EMPID" column and currently column does not contain any value , which is the correct SQL syntax from the following

Correct Answer is : Alter table EMPLOYEE Add Constraint PK-EMPID Primary Key (EMPID);

5. _______stores metadata about the structure of the database, in particular the schema of the database

Correct Answer is : Data Dictionary