Databases Advanced Quiz 7 > Data AI Revolution

Databases Advanced Quiz 7

An advanced database quiz typically covers complex topics related to database design, management, and optimization. It includes questions on normalization, indexing, query optimization, transactions, concurrency control, database security, distributed databases, and advanced SQL concepts like triggers, views, and stored procedures. The quiz may also explore NoSQL databases, data warehousing, and database tuning for performance improvement.

1 / 10

What is the purpose of indexing in a database?

To create relationships between tables

To speed up data retrieval

To increase data redundancy

To enforce data integrity

2 / 10

In a many-to-many relationship, which table structure is commonly used?

Parent table

Child table

Junction table

Composite table

3 / 10

What is a stored procedure?

A query saved for later use

A set of SQL statements that can be executed as a single unit

A method for indexing data

None of the above

4 / 10

Which of the following is a common data type in SQL?

TEXT

INTEGER

DATE

All of the above

5 / 10

What is the purpose of the GROUP BY clause?

To filter results

To aggregate data

To join tables

To sort records

6 / 10

In which of the following cases would you use a subquery?

When you need to retrieve a single value

When you need to filter records

When you want to group records

All of the above

7 / 10

Which command is used to create a new table in SQL?

CREATE TABLE

NEW TABLE

ADD TABLE

TABLE CREATE

8 / 10

Which of the following is a disadvantage of a flat file database?

Simplicity

Ease of use

Data redundancy

Low cost

9 / 10

What is a database schema?

A physical layout of the database

A blueprint of how data is organized

A method for querying data

A way to encrypt data

10 / 10

What is normalization?

A process of designing a database

A process of increasing redundancy

A method for enhancing performance

None of the above

Your score is

The average score is 37%

0%

Databases Advanced Quiz 7

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