Computer Science for IGCSE & O level - Databases (Section 2 - No. 17)

Which statement is true about data types in a database?

Data types are not important.

Data types are only relevant for text fields.

Each field requires a data type to ensure correct storage and handling of data.

Data types are assigned randomly.

Each field requires a data type to determine the type of data that can be stored, ensuring efficient data management and integrity.