The ER diagram. Descriptions of each table and column. Logical explanations of your decisions in creating the tables from the sales receipt. A dimensional data model was constructed using MySQL and ...

It involves creating a logical model of the data warehouse that ... There are many tools available for dimensional modeling, from simple spreadsheets and diagrams to sophisticated software and ...

The following ER diagram illustrates an adequate Star schema for a Global Super Store dimensional data model : The following ER diagram illustrates an adequate Snowflake schema for a Global Super ...

One of the first steps to test and debug your data model is to validate it using a tool or a script that checks for errors, inconsistencies, and violations of the data modeling rules and conventions.