SQL Certification Exam | Free Online Certifications Exams

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SQL Certification Exam | Free Online Certifications Exams

SQL stands for “Structured Query Language”. SQL is used to communicate with the various databases. according to the ANSI, SQL is the standard language for Relational Database Management Systems. It allows you to access and manipulate the databases.

This certification program provides a comprehensive understanding of SQL which is very important in today’s day. The SQL has become an integral part of every company today and you wish to be a part of this competitive field

SQL Online Certification Exam will have the following process:

Exam will have 20 questions.
Limited time will be given of 20 minutes.
Unlimited Attempt
Passing marks will be 70%
Language : English
Pass the exam and get E-Certificate on your Email ID within 72 hours
Please input your correct and complete Name,Mobile Number & Email ID

All the Best !!

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SQL Online Certification Exam

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1 / 20

What is meant by Partial Database Control?

None of these

Business rules are hidden.

Users or professionals can't have the full control over the database.

Both

2 / 20

What does this SQL database language design to?

Maintain the data in network database management systems.

Maintain the data in hierarchal database management systems.

Maintain the data in relational database management systems.

Maintain the data in object-oriented database management systems.

3 / 20

Which statement is true about the SQL?

SQL follows BASE Model.

SQL database cannot handle complex queries.

SQL database does not require object-relational mapping.

SQL databases are vertically scalable.

4 / 20

What is the work of INSERT command?

One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.

It enables you to create new databases, tables, table views, and other objects using this command.

Database objects such as tables, table views, and other objects can be deleted using this command.

Inserting records or data into the database tables is accomplished with this command. In addition to inserting records in single rows, we can insert records in multiple rows as well.

5 / 20

What is the work of DROP command?

One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.

Database objects such as tables, table views, and other objects can be deleted using this command.

It enables you to create new databases, tables, table views, and other objects using this command.

Using this command, you can remove or erase recorded information from a database table.

6 / 20

What is the work of UPDATE command?

A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.

Using this command, you can remove or erase recorded information from a database table.

Database data can be updated or changed using this command.

It enables you to create new databases, tables, table views, and other objects using this command.

7 / 20

What does the CREATE INDEX Statement do?

The SQL database table's index is deleted using this SQL statement.

An index is created in a SQL database table with this SQL statement.

By running this SQL statement, the transaction will be undone and the operations not yet saved to the SQL database will be undone.

Changes made in the SQL database transaction are permanently saved using this SQL statement.

8 / 20

What is the work of SELECT command?

It enables you to create new databases, tables, table views, and other objects using this command.

Database objects such as tables, table views, and other objects can be deleted using this command.

One or more rows from one or more tables of the database can be accessed with this command. Using the WHERE clause with this command is also possible.

Database objects such as tables, table views, and other objects can be deleted using this command.

9 / 20

What is the work of DELETE command?

Using this command, you can remove or erase recorded information from a database table.

Database data can be updated or changed using this command.

Database objects such as tables, table views, and other objects can be deleted using this command.

A single or multiple rows can be accessed using this command from one or more tables of a database. Using the WHERE clause with this command is also possible.

10 / 20

What does the ALTER TABLE Statement do?

A new table in SQL is created using this SQL statement.

By deleting the stored data, this SQL statement deletes the database.

The table, its structure, views, permissions, and triggers will also be deleted or removed with this SQL statement.

Columns in the SQL database can be created, deleted, or modified with this SQL statement.

11 / 20

What is meant by 'SQL is an interactive language'?

It can also be used for communicating with the database.

Learning and understanding SQL is easy

In a few seconds, complex queries can also be answered using this language.

All of these

12 / 20

Which statement is not true?

SQL is rational whereas No-SQL is non-rational.

SQL follows BASE Model whereas No-SQL follows ACID Model.

SQL database are vertically scalable whereas No-SQL database are horizontally scalable.

No-SQL databases are preferable to store hierarchical data in comparison SQL databases.

13 / 20

SQL has the advantage of?

SQL follows the standard languages of ANSI and ISO.

SQL require a lot of programming.

SQL is easily portable.

SQL provides High-Speed Query Processing.

14 / 20

Determine the correct SQL command?

UPDATE

All of These

DELETE

CREATE

15 / 20

SQL has the disadvantage of?

None of These

SQL is cheap.

Both

SQL interface is simple.

16 / 20

What does SQL is used to perform operations on?

Update Records

Both

None of these

Insert Records

17 / 20

What does the INSERT INTO Statement do?

A new database will be created through this SQL statement.

In this SQL statement, the data or records are inserted into an existing database table. One query statement can insert multiple records simultaneously using this statement.

In the database management system, this SQL statement deletes the existing database, together with all the database tables and views.

By executing this SQL statement, all records in the SQL database will be deleted.

18 / 20

SQL became the standard of?

ISO

ANSI

ASCII

Both ANSI and ISO

19 / 20

SQL contains which component in its process?

Optimization Engines

All of these

Query Dispatchers

SQL Query Engines

20 / 20

Which statement is not true about SQL?

A SQL user can also set restrictions and permissions for a table column, a view, and a stored procedure

Sample data can also be described with the aid of this tool

It helps develop relational database functions, events, and views

Using SQL in relational databases is all about inserting, updating, and deleting data

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