Database Quiz

What is a database field?

• A database field is a type of database query.

• A database field is a backup of a database table.

• A database field is a specific piece of information stored in a database table.

• A database field is a collection of database tables.

What is a database record?

• A database record is a single data field stored in a database.

• A database record is a backup copy of a database.

• A database record is a collection of related data fields that are grouped together and stored in a database.

• A database record is a type of database software.

Which data type represents true or false values in a database?

• Boolean

• Float

• String

• Integer

Which data type represents whole numbers in a database?

• float

• string

• boolean

• integer

Which data type represents text or characters in a database?

• string

• float

• boolean

• integer

What are the characteristics of the Boolean data type?

• The Boolean data type has two possible values: true or false.

• The Boolean data type has four possible values: true, false, null, or undefined.

• The Boolean data type has one possible value: either true or false.

• The Boolean data type has three possible values: true, false, or null.

What are the characteristics of the Integer data type?

• Numbers with decimal and fractional parts.

• Letters and special characters.

• Positive numbers only.

• Whole numbers without decimal or fractional parts

What are the characteristics of the String data type?

• Numeric data type, mutable, can be manipulated using string operations.

• Sequence of numbers, mutable, can be manipulated using number operations.

• Boolean data type, immutable, can be manipulated using string operations.

• Sequence of characters, immutable, can be manipulated using string operations

What are the advantages of using different data types in a database?

• Using different data types in a database leads to slower performance, increased storage requirements, and limited data analysis capabilities.

• Using different data types in a database provides efficient storage, better organization, and analysis of data.

unique, integer, auto value,

what is possible field category the description above?

• Integer

• Foreign Key

• Primary Key

• Primary Choice