View Design Entity Relationship Diagram In Dbms Example Download Zip Gif. In other words, er diagrams are most often used to design or debug relational databases in the fields of software engineering, business information. The following shows a relationship set r between entity sets a and b.
Consider two table a and b.
Tutorial scd1523 entity relationship diagram problem harris's pet store has requested you to design database to store information on sales on animals and. Consider two table a and b. It indicates the logical structures of each database. Include the primary keys of each entity. i am fine with this however i really don't get the second question