Computer Science for IGCSE & O level - Databases (Section 6 - No. 32)
What is the role of a 'data type' in a database?
To define the size of the database.
To determine how data is stored and displayed.
To restrict the number of records in a table.
To specify the name of a table's column.
Giải thích
A data type specifies the kind of data that can be stored in a particular field.