Access Queries

Queries  Let you see the data you want  With Select queries you can:  Query more than one table  Create new calculated fields  Summarize and group data  Choose which fields to show or hide

Queries (cont’d)  Make-Table  Update  Append  Delete  Crosstab  Pass-Through  Data-Definition  Union  Other types: “Action” Advanced (SQL specific)

Query Wizards  Simple  Crosstab  Find Duplicates  Find Unmatched

Simple Query Wizard  Let’s set up a simple query  Want all Contacts from Little Rock  Want just Last Name and First Name  Want to sort by Last Name

Simple Query Wizard (with totals)  Want to total donations by person  Want Last Name and First Name from Contacts  Want Amount Donated from Donations  Either “Summary” or “Every Record”  “Every Record” can be totaled later in a Report

Query Wizards (cont’d)  Let’s set up a Find Unmatched query that involves two tables  Want all Contacts who have not donated money

Advanced Queries  Queries can get quite complex  Action queries = be careful!  Back up your data first  Check your results carefully  Use the wizard to start, then modify