Star Schema: General Information In general, an organization is started to earn money by selling a product or by providing…
In a relational data model, for normalization purposes, year lookup, quarter lookup, month lookup, and week lookups are not merged…
In a relational data model, for normalization purposes, corporate office lookup, region lookup, branch lookup, and employee lookups are not…
In a relational data model, for normalization purposes, product category lookup, product sub-category lookup, product lookup, and and product feature…
Dimension Table: Dimension table is one that describe the business entities of an enterprise, represented as hierarchical, categorical information such as…
How to create Identifying Relationship with Cardinality of many to many relationship: Identifying relationship: If a foreign key column/multiple foreign…
What is Non-Identifying relationship? If a column (foreign key) / multiple columns (foreign key columns) referencing some table becomes a…
Xcase - Overview: Xcase is a powerful and intuitive data modeling tool. It automates database creation and maintenance, making the…
How to create Data Modeling Objects in Toad? Here in this section, we will create a physical data model instead…
How to create a Physical Data Model using Erwin 4.1.4 version? 1: Change the view from "Logical to Physical" from…