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What is SQL?
Sequential Query Language
Simple Query Language
Structured Query Language
Standard Query Language
Select the most appropriate SQL data type to store the specified values
358.67
'SQL comes in different dialects, and each dialect shares common data types, as well as including some that are unique.'
'28/04/2023'
0.234e+02
What is normalization?
The process of manipulating with data to a database
The process of archiving data in a database
The process of removing duplicate data from a database
The process of organizing data in a database
What is true about a foreign key in a relational database?
A field that cannot contain null values.
A field in a table that refers to the primary key of another table.
A field that can store duplicate values.
A field that can store multiple values.
What is a primary key?
A field that can store atomic values
A not null unique column in a table
Any key in a table
A unique identifier for a record in a table
Which of these columns can be defined as a Primary Key?
VIN (Vehicle Identification Number)
RegistrationDate
OrderNumber
FirstName
ProductID