Design Relationships and entity relationship diagrams. ... relational databases store data across several tables. ... it is necessary to define the relationship that exists between different entities.

Design effective, efficient databases through normalization and data modeling; Develop expertise in programming with Structured Query Language (SQL) Gain k nowledge about database operations, data ...

National 5; Design Relationships and entity relationship diagrams. Designing queries and establishing a data dictionary are important. Decisions should be informed by the Data Protection Act ...