RelaX is an online relational algebra tool that we will use for the assignments. It allows entering relational algebra expressions and executing them to get results. The data set can be loaded from a ...

Map the ERD given in Figure 1 (Page 3 in this HW), to the corresponding relational model. The ERD is a representation of a book database that captures the relationships between “books”, “publishers”, ...

There are two types of relational database manipulation language: procedural and assertional. A procedural language is one in which a query is expressed through a sequence of operations. This category ...