
Concept explainers
a)
SQL
SQL stands for structured query language. SQL is used basically to manage the data of the data base and to perform the manipulations over the data.
b)
Explanation of Solution
List of employees from personnel department who have worked or are working:
The query used in SQL to execute the following statement is,
SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel”
Explanation:
The above SQL query list the name and addres...
c)
Explanation of Solution
List of employees from personnel department:
SELECT Name, Address from EMPLOYEE, JOB, ASSIGNMENT where EMPLOYEE.EmplId = ASSIGNMENT.EmplId and ASSIGNMENT.JobId = JOB.JobId and JOB.Dept = “Personnel” and ASSIGNMENT.TermDate = “*”
Explanation:
The above SQL query list the name and address of the employe...

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Chapter 9 Solutions
Computer Science: An Overview (12th Edition)
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