Get CMPSCI 445 Midterm
Ery in Relational Algebra. Repeat our schema here: Emp(eid, ename, age, salary) Works(eid, did) Dept(did, dname, budget, managerid) (3) 8 points Write the query in Part (2) in a SQL statement. No duplicates in the answer set. (4) 8 points Retrieve the department id and average salary of employees for each department. No duplicates in the answer set. Display the output in sorted order of department id. Question 3 2 parts, 14 points total : File Organization Consider the sche.
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