Learn how to use Oracle SQL Developer and MySQL Workbench to create, edit, query, and manage data and schemas in relational databases. These tools offer many features that can help you ace your ...

Entity-Relationship Diagram (ERD) Use the Entity-Relationship Diagram (ERD) to model entities, relationships, attributes, cardinalities, and all necessary constraints. Use any tool you like to draw ...

Draw the corresponding crow’s foot ERD for the following scenario. Many-to-Many relationships should be broken into two 1-to-Many relationships using a bridge or junction entity. Label PK attributes ...