Numeric data: Data measured at an interval or a ratio scale.
One-to-many relationship :One type of data relationship in which one record in a table is related to many records in another table
One-to-one relationship : One type of data relationship in which one record in a table is related to one and only one record in another table.
Ordinal data: Data that are ranked, such as large, medium, and small cities.
Primary key: One or more attributes that can uniquely identify a record in a table