Q1. USE keyword is used to select a?

Table

Column

Row

Database

Q2. The relational data model was developed in the?

1970

1960

1965

1980

Q3. Which of the following is true of mysql?

It was owned and sponsored by the Swedish company MySQL AB

It is license-free for most applications

It is written in C and C++ languages

All of the above

Q4. Referential integrity is directly related to?

Unique Key

Primary Key

Relation Key

Foreign Key

Q5. Data Warehouse provides?

Demand and Supply Responsiveness

Storage, Functionality Responsiveness to queries

Transaction Responsiveness

None of the above

Q6. The primary key is selected from the?

candidate keys

determinants

composite keys

foreign keys

Q7. MVD is called?

Many Value Dependency

More Value Dependency

Multi Value Dependency

None of the above

Q8. Commit command is used for?

restore the old values

save the current table

save the current transaction

recover the old table