Page 142 - AIS access_chang_ingraham

140 CHAPTER 6 HUMAN RESOURCE BUSINESS PROCESS

9. Now we will create a query for the salaried employees. Click on Create query in
Design view. Click on Employee Table. This is the only table we will need for salaried
employees. Click on Add and Close.
10. Remember that we must eventually join this query with the query we just cre-
ated for the hourly employees and, therefore, we must match the columns we created for
this query. Open the Gross Pay Hourly Query and count the number of columns in that
query. We see that, in addition to EmployeeNo, we had six fields that related to hourly
employees. We then entered a field as a place holder for salaried employees. Finally, we
calculated gross pay. Close the Gross Pay Hourly Query.
11. We know that we will want EmployeeNo in the first field for the
salaried employees query. Drag that field from the Employee Table first field in the
design grid.
12. In the next six Field properties, type a O. These columns will now act as place
holders, just as the Salary column did in the Gross Pay Hourly Query.
13. Drag the SPayRate field from the Employee Table into the eighth column of the
design grid. Click on the Criteria property and type >0. This will result in listing only
those employees whose SPayRate is greater than zero or, in other words, only salaried
employees.
14. Click on the Field property in the ninth column of the design grid and click on
the Build ::~ icon in the menu bar. Type GrossPay: [SPayRate]*l in the upper portion of
the Expression Builder window. Click OK.

FIGURE 6-24

15. Click on the Run icon. Close and save the query as Gross Pay Salaried Query.
16. We now have to join the two queries together. We will do this by creating a union
query. A union query is a type of select query that combines fields from two or more tables
or queries into one field in the query's results with any duplicate records removed. Double-
click on Create query in Design view. Close the Show Table window.
17. Click on Query in the Menu bar. Click on SQL Specific> Union.
18. In the design screen for the union query, type the following SQL statement:
Select * from [Gross Pay Hourly Query]

UNION Select * from [Gross Pay Salaried Query];