Answered step by step
Verified Expert Solution
Question
1 Approved Answer
please explain like im 5 years old 2. Consider the following schema: Employee (Ssn, Name, Address) works on = (W_Ssn, W Dnumber, Since) Department (Dnumber,
please explain like im 5 years old
2. Consider the following schema: Employee (Ssn, Name, Address) works on = (W_Ssn, W Dnumber, Since) Department (Dnumber, Dname, MgrSsn), where MgrSsn is a foreign key corresponding to the Ssn of the employee who manages that department, this is the implicit implementation of manages' (!!!). (a) (20 points} Draw the ER diagram corresponding to the given schema (b) {20 points} Use relational algebra formal language to retrieve the address of all employees working in Dnumber=2 (c) Give the catalogue of this databaseStep by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started