Database University Introduction Level Homework (Must know Relational Algebra and Datalog)

Database University Introduction Level Homework (Must know how to read/write query using Relational Algebra and Datalog) Dun need to write SQL! Must Know how to ans question using Relational Algebra!! and Datalog!! Example questions: 1.(for example you have a schema with a field name,father, mother in each record).... Write query in both RA and Datalog to make it return the names of all people that you know they are parents. [login to view URL] to enhance the schema so that ....it meet simple constraints Short Homework!! only 5 similar questions!!! Experienced talent should finish in an hour, however required high quality(becareful of schema detail like some field could be null ..... etc.) Future Project Opportunity: I will have future similar database hw opportunity for you if All the ans are correct and I have high grade for this!! (4-5projects)