Use a suitable example to provide a thorough description of the relational mode

For the attached database, use relational algebra and find the loan_numbers only for the loans with the smallest loan amounts. (Using renaming and set difference). Which database relation(s) could be joined with the result of the query of the previous inquiry to find the Id, name, city, and loan amount for the borrowers having the smallest loan amount?

Use the technique of normalization to validate the structure of your relational schema. Demonstrate that each of your relations is in third normal form (3NF) by displaying the functional dependencies between attributes in each relation. Note, if any of your relations are not in 3NF, this may indicate that your ER model is structurally incorrect or that you have introduced errors in the process of deriving relations from your model.

Please draw an relational ERD with multiplicities and all the attributes based on following description: ( Please identify the primary key in each entity.)   An Adult Education Department runs various courses during the daytime and evenings, and at different times of the year. For example, ‘Spanish level 1’ is offered on Monday mornings, Monday evenings or Wednesday evenings, and runs over 25 weeks from October to March. On the other hand, ‘Introduction to Digging Up Your Ancestors’ only runs for 8 weeks, but is offered on Tuesday or Wednesday evenings from October to December, January to March, and April to June, with an optional field week in August.               There is always a maximum number of places for each course offering, which is dependent on the individual teacher. For example, ‘Spanish level 1’ on Monday evenings may be limited to 20 places, but on Wednesday evenings the limit may be 25. Each course offering is only taken by one teacher, however teacher may take…