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List all the individual cities of employees. (1mark) List any employees who took leave on 2020-09-01. Show employee number only. (1mark) List the Qualifications which
- List all the individual cities of employees. (1mark)
- List any employees who took leave on 2020-09-01. Show employee number only. (1mark)
- List the Qualifications which includes science. (1mark)
- For each qualification, show the total number of employees that have that qualification. Show qualification id and total only. (1mark)
- List the employee names and all of the institutions that they have studied at. (2 marks)
2. The following is the relational schema of part of the database that Acme Pty Ltd recently implemented. In each relation, the primary key is underlined and foreign keys are made italic. EMPLOYEE (EmpNo, Name, Street, City, Postcode, HireDate, Salary, DeptNo) DEPARTMENT (DeptNo, Name, Location) QUALIFICATION (QualID, Qualification, Institution) EMP-QUAL (EmpNo, QualID) LEAVE (EmpNo, FromDate, ToDate)
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Spatial Database Systems Design Implementation And Project Management
Authors: Albert K.W. Yeung, G. Brent Hall
1st Edition
1402053932, 978-1402053931
