How do you create a fact and dimension table in SQL?
Let’s walk through this process step by step.
- Step 1: Install Diagram Support.
- Step 2: Create New Database Diagram.
- Step 3: Create User-Defined Data Types.
- Step 4: Create a Dimension Table in SSMS.
- Step 5: Save the New Diagram.
- Step 6: Create All Dimension Tables.
- Step 7: Create a Fact Table.
How do you make a dimensional table?
To build a dimensional database:
- Choose the business processes that you want to use to analyze the subject area to be modeled.
- Determine the granularity of the fact tables.
- Identify dimensions and hierarchies for each fact table.
- Identify measures for the fact tables.
- Determine the attributes for each dimension table.
How to create a fact and dimension table?
Use the wizard to create the corresponding fact and dimension tables. In Data Modeler, lock the model for editing. In the Database menu in the left pane, right-click the source table that contains the fact and dimensional data that you want to model, select Add to Model, and then select Add as Fact and Dimension Tables.
How to add a dimension table to a data model?
After locking the model, perform one of the following actions to create dimension tables individually: Drag the table or view from the Database menu in the left pane to the Dimension Tables area of the Data Model. From the Database menu in the left pane, right-click the table or view, click Add to Model, and then select Add as Dimension Table.
How to add a fact table to a data model?
From the Database Table or View editor for a particular source table or view, click Add to Model, then Add as Fact Table. In the right pane, click Add in the Fact Tables area of the Data Model. Then, select one or more source tables and views from the Database Objects list and click OK.
How is a fact table used in a data warehouse?
Summary: in this tutorial, we will discuss fact table, fact table types and four steps of designing a fact table in dimensional data model described by Kimball. A fact table is used in the dimensional model in data warehouse design. A fact table is found at the center of a star schema or snowflake schema surrounded by dimension tables.