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…
How to create Data Modeling Objects in Toad? Here in this section, we will create a physical data model instead…
Analysis of Data and creating Tables & Relationships: Usually in a data model, Tables (Entities) looks like rectangular or square type…
SuperType and SubType in Data Modeling: At times, few entities in a data model may share some common properties (attributes)…