1 Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. by Mary Anne Poatsy, Keith Mulbery, Lynn Hogan, Amy Rutledge, Cyndi Krebs, Eric Cameron, Rebecca Lawson Chapter 3 Customize, Analyze, and Summarize Query Data

Create a calculated field in a query Format and save calculated results Create expressions with the Expression Builder Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. 2

Use built-in functions in Access Add aggregate functions to datasheets Create queries with aggregate functions Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. 3

Access has many of the same calculations and functions as Excel Calculations can be added to: – Tables – Queries – Forms – Reports 4 Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall.

An expression is a formula used to calculate new fields from values in existing fields Elements of an expression consist of: – Identifiers – Arithmetic operators – Functions – Constants 5 Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall.

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Forgetting a colon Typing a field name incorrectly Forgetting the order of operations 9 Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall.

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11 Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. Function Argument – variable – constant – optional

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Function: Pmt(rate, num_periods, present_value, future_value, type) Example: Pmt(0.06/12, -5*12, 12500) 13

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A calculated field can be created in a query Create expressions with the Expression Builder Use built-in functions in Access Add aggregate functions in a datasheets Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. 19

Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. 20

Copyright © 2014 Pearson Education, Inc. Publishing as Prentice Hall. 21 All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of the publisher. Printed in the United States of America.