Tables : In Relational database model, a table is a collection of data elements organised in terms of rows and columns. A table is also considered as a convenient representation of relations. Table is the most simplest form of data storage. Below is an example of an Employee table.
Tuple or Record or Row : A single entry in a table is called a Tuple or Record or Row. A tuple in a table represents a set of related data. For example, the above Employee table has 4 tuples/records/rows.
Following is an example of single record or tuple.
Fields : A field is part of a record and contains a single piece of data for the subject of the record. In the employee table, each record contains four fields. ID, Name, Age, Salary are fields in the table.