Master Your SQL Skills
Master Your SQL Skills
Are you ready to test your knowledge of SQL? This engaging quiz consists of 20 multiple-choice questions that cover essential concepts and commands related to Structured Query Language. Whether you're a beginner or looking to refresh your knowledge, this quiz is perfect for honing your skills.
Key Features:
- 20 challenging questions
- Instant feedback on your answers
- Beginner to advanced topics
SQL stands for
Structured Query Language
System Quest Language
Is composed of commands that enable users to create database and table structures
Data
SQL
A database language allows you to create database and table structures, perform basic data management chores
SQL
DBMS
DML stands for
Data Making Language
Data Manipulation Language
SQL is a non-procedural language
True
False
SQL includes commands to insert, update, delete, and retrieve data within the database tables.
True
False
Permanently Deletes a Table
Drop Table
Delete Table
Ensures that a column will not have a duplicate values
UNIQUE
REDUNDANCY
Validates data in an attribute
DEFAULT
CHECK
Ensures that a column will not have null values
NOT NULL
Default
Modifies a table definition
Alter Table
Update
Create a database schema
Create schema authorization
Create Database
All logical operators are in the choices except
And
Or
Not
Between
Permanently saves data changes
Commit
Default
A customer may generate many data.
True
False
An invoice contains one or more invoice lines.
True
False
A product may not be found in many invoice lines.
True
False
Limits values to unique values
Exist
Distinct
Check whether an attribute value is null
Is Null
Not Null
Restore data to its original values
Rollback
Commit
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