What is a query in TinyDB?

TinyDB - Quiz(MCQ)

A data type used for text

A programming language construct

A search operation on a database

A file format used for data storage

Correct Answer : A search operation on a database

Explanation : In TinyDB, a query is a search operation that developers can use to retrieve documents from a database based on specific criteria. Queries can be performed using various operators such as equality, inequality, and comparison.

Recently Updated in TinyDB Questions

Which of the following is an example of a TinyDB query for retrieving documents where multiple data fields meet certain criteria?

{“field1 = value1 or field2 = value2”}

{“field1 = value1 and field2 = value2”}

{“field1 = value1 and field2 = value2 or field3 = value3”}

{“field1 = value1 or field2 = value2 and field3 = value3”}

Correct Answer : {“field1 = value1 and field2 = value2”}

Explaination : To retrieve documents where multiple data fields meet certain criteria, developers can use the {“field1 = value1 and field2 = value2”} syntax in a TinyDB query.

Which of the following is an example of a TinyDB query for retrieving documents where multiple data fields meet at least one of several possible criteria?

{“field1 = value1 or field2 = value2”}

{“field1 = value1 and field2 = value2”}

{“field1 = value1 and field2 = value2 or field3 = value3”}

{“field1 = value1 or field2 = value2 and field3 = value3”}

Correct Answer : {“field1 = value1 or field2 = value2”}

Explaination : To retrieve documents where multiple data fields meet at least one of several possible criteria, developers can use the {“field1 = value1 or field2 = value2”} syntax in a TinyDB query.

Which of the following is an example of a TinyDB query for retrieving documents where a specific data field is not null?

{“field1 = null”}

{“field1 is null”}

{“field1 != null”}

{“field1 is not null”}

Correct Answer : {“field1 is not null”}

Explaination : To retrieve documents where a specific data field is not null, developers can use the {“field1 is not null”} syntax in a TinyDB query.