Microsoft Access Tutorial B - Cengage Learning

Microsoft Access Tutorial B - Cengage Learning Microsoft Access Tutorial B - Cengage Learning

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Figure B-21Choices for statistical operation in a Sigma querySelect the Count operator. (With this menu, you may need to scroll to see the operatoryou want.) Your screen should now resemble that shown in Figure B-22.Figure B-22Count in a Sigma queryRun the query. Your output should resemble that shown in Figure B-23.Figure B-23Output of Count in a Sigma queryNotice that Access has made a pseudo-heading “CountOfSSN.” To do this, Access justspliced together the statistical operation (Count), the word Of, and the name of the field24 Tutorial B

(SSN). What if you wanted an English phrase, such as “Count of Employees,” as a heading?In the Design View, you’d change the query to resemble the one shown in Figure B-24.Tutorial BFigure B-24Heading change in a Sigma queryNow when you run the query, the output should resemble that shown in Figure B-25.Figure B-25Output of heading change in a Sigma queryThere is no need to save this query. Go back to the Design View and Close.AT THE KEYBOARDHere is another example. Suppose that you want to know the average wage rate of employees,grouped by whether they are salaried.Figure B-26 shows how your query should be set up.Figure B-26Query set-up for average wage rate of employeesMicrosoft Access Tutorial 25

(SSN). What if you wanted an English phrase, such as “Count of Employees,” as a heading?In the Design View, you’d change the query to resemble the one shown in Figure B-24.<strong>Tutorial</strong> BFigure B-24Heading change in a Sigma queryNow when you run the query, the output should resemble that shown in Figure B-25.Figure B-25Output of heading change in a Sigma queryThere is no need to save this query. Go back to the Design View and Close.AT THE KEYBOARDHere is another example. Suppose that you want to know the average wage rate of employees,grouped by whether they are salaried.Figure B-26 shows how your query should be set up.Figure B-26Query set-up for average wage rate of employees<strong>Microsoft</strong> <strong>Access</strong> <strong>Tutorial</strong> 25

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