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When your application includes tables, you can select and display data from those tables using queries. You can use queries for various tasks:
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Answering a question quickly. For example, you can find out information such as:
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Customer name and address associated with a particular ID number
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Number of outstanding orders
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Number of customers with overdue balances
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Region or salesperson with the best sales record
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Customer name and address associated with a particular ID number
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Viewing a relevant subset of your data
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Organizing and generating data for a report. You can also run reports separately without using a query.
You can create queries from tables, define and organize query results, collect user input using queries, and customize queries. You can also direct queries to different destinations so that you can use them in other parts of your application.
In This Section
- How to: Create Queries
- Describes the different methods you can use to create queries.
- How to: Query Multiple Tables and Views
- Describes how to create queries from multiple tables.
- How to: Control Record Selection with Joins
- Describes how to use join conditions between tables to expand or narrow results.
- How to: Define Query Results
- Describes how you can define the data appearing in the results of a query.
- How to: Organize Query Results
- Describes how you can organize the data results appearing in the query output.
- How to: Customize Queries
- Describes ways to customize queries in the Query Designer, such as narrowing or expanding queries, eliminating duplicate queries, extracting percentage of top records, and adding expressions for filtering.
- How to: Customize Queries Using SQL SELECT Statements
- Describes how to customize queries by viewing and editing the SQL SELECT statement generated for views by the View Designer.
- How to: Collect User Input with Queries
- Describes how you can collect user input from a form to use in SQL SELECT statements for queries.
- How to: Run Queries
- Describes how to run queries after they are defined.
- Setting Query Output Destinations
- Provides procedures for sending query output to tables and arrays, reports, windows, and form controls.