Understanding how data tables relate to one another is a critical component to creating well structured queries that give meaningful results. Modifying the join type between tables in a query ensures that all of the records in the parent table are visible, whether they have related information in the child table or not.
- [Voiceover] When creating queries that…include multiple tables,…it's important to understand how…those tables are related in order…to get meaningful results.…Typically, Access will be able to assist you…when building these relationships that…they've not already been previously defined.…But there are occasions when you'll…need to create or modify how your tables…are joined together.…Let's take a look at a couple of examples,…but first I want to review underneath…the Database Tools the relationships…as they currently exist in this database.…Right now we have a relationship…between the Customers and the Orders table…and another relationship between the…Customers and the States table.…
Let's see what happens if we were to delete…these relationships.…I'm going to right click on each of these lines…and just press the delete option and…say yes to that and we'll do it again,…right click + delete and yes to that.…Now let's go ahead and close out the relationships…and start building a query based off of those tables.…I'll choose the Customers table here,…
Author
Released
6/7/2016- Creating a query with the wizard
- Defining query criteria
- Using comparison and wildcards in criteria
- Working with joins
- Creating parameter queries
- Using the built-in functions in Access
- Summarizing data
- Aggregating records with totals
- Working with dates
- Creating alternative queries: unmatched, crosstab, and more
- Writing queries with SQL
Skill Level Intermediate
Duration
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Related Courses
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Access 2016 Essential Training
with Adam Wilbert6h 45m Beginner
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Introduction
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Welcome1m 3s
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Trusting the exercise files1m 45s
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1. Introduction to Access Queries
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The H+ Sport database5m 39s
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Understand queries4m 46s
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2. Creating Simple Select Queries
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Define query criteria8m 35s
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Use wildcards in criteria3m 20s
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Rename the column headers3m 11s
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Explore the property sheet7m 31s
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Work with joins6m 33s
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3. Creating Parameter Queries
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Understand parameter queries6m 12s
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Obtain parameters from forms6m 51s
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4. Use the Built-In Functions
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Use mathematical operators6m 59s
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Apply functions to text8m 17s
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5. Aggregating Records with a Totals Query
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Understand the Totals field5m 53s
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Use the WHERE clause1m 54s
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6. Working with Dates in Queries
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Dates as serial numbers4m 52s
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Date and time functions4m 42s
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Format dates5m 9s
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Sort dates chronologically5m 26s
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Obtain today's date2m 9s
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7. Understanding Program Flow Functions
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IIf() conditional statement2m 20s
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Create an IIf() function5m 52s
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Use the Switch() function6m 26s
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8. Alternative Query Types
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Find duplicate records4m 20s
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Identify unmatched records3m 31s
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Make a crosstab query2m 35s
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Update data with a query4m 41s
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9. Writing Queries with Structured Query Language
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Explore the basics of SQL5m 59s
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10. Useful Query Tricks
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Conclusion
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Next steps46s
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Video: Work with joins