- A column of a table which stores a particular type of data is known as a field. It is the smallest unit of the database. It is also known as attribute.
- In other words, it is a piece of information about a record.
- For example a table contains Name and Address of students where only names are stored under "Name" and address are stores under "Address" field name.
- The field size is the maximum size for data that is stored in a field that is set to the text data type, the number data type, or the auto-number data type etc.