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

Both

Business rules are hidden.

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

2 / 20

Which statement is not true?

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

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

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

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

3 / 20

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

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

All of these

It can also be used for communicating with the database.

Learning and understanding SQL is easy

4 / 20

SQL has the advantage of?

SQL provides High-Speed Query Processing.

SQL is easily portable.

SQL require a lot of programming.

SQL follows the standard languages of ANSI and ISO.

5 / 20

What does this SQL database language design to?

Maintain the data in relational database management systems.

Maintain the data in hierarchal database management systems.

Maintain the data in network database management systems.

Maintain the data in object-oriented database management systems.

6 / 20

What does the CREATE INDEX Statement do?

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

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.

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

7 / 20

SQL contains which component in its process?

Query Dispatchers

Optimization Engines

All of these

SQL Query Engines

8 / 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.

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.

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

9 / 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.

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.

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

10 / 20

What does SQL is used to perform operations on?

Both

Insert Records

Update Records

None of these

11 / 20

What is the work of UPDATE command?

Database data can be updated or changed using this command.

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

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.

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

12 / 20

What is the work of DELETE 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.

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

13 / 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.

14 / 20

Which statement is not true about SQL?

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

It helps develop relational database functions, events, and views

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

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

15 / 20

What does the ALTER TABLE Statement do?

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

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

16 / 20

Determine the correct SQL command?

All of These

UPDATE

DELETE

CREATE

17 / 20

What does the INSERT INTO Statement do?

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.

A new database will be created through this SQL statement.

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

18 / 20

SQL has the disadvantage of?

None of These

SQL interface is simple.

SQL is cheap.

Both

19 / 20

SQL became the standard of?

ASCII

Both ANSI and ISO

ANSI

ISO

20 / 20

Which statement is true about the SQL?

SQL database does not require object-relational mapping.

SQL database cannot handle complex queries.

SQL databases are vertically scalable.

SQL follows BASE Model.

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