| This term | Means this |
|---|---|
| Data warehouse | A relational database designed to store management information. |
| Dimension table | A list of labels that can be used to cross-tabulate values from other dimensions. |
| Fact table | The relational database table that contains values for one or more measures at the lowest level of detail for one or more dimensions. |
| Surrogate key | A column in a database dimension table that contains values that uniquely identify each row. Often referred to as the primary key for a dimension. |
| Foreign key | A column in a database table that contains many values for each value in the primary key column of another database table. |
| Join | The process of linking the primary key of one table to the foreign key of another table. |
| Star schema | A database model composed of a fact table and one or more dimension tables. Typically used to model data warehouses and data marts. |