In this movie, Adam introduces the Action queries, which will permanently modify date in the underlying data tables. Because of this, it's important to ensure a secure and complete backup of the database has been created before proceeding. Adam demonstrates the steps to take advantage of Access' built-in backup procedure.
- [Voiceover] There are four additional types of queries…within Access, collectively called Action Queries.…If you go to the create tab and start…a new query in Design View,…I'll just go ahead and close the Show Table window here,…you'll notice that the action queries…all have this exclamation mark icon attached to them here.…Now we'll take a look at these over the next few movies,…starting with the Update Query.…Action Queries differ from everything else…we've worked with so far in one key area,…they actually modify your data tables.…In case it's not clear, all of the queries…we've run up 'til now simply presented your data,…rearranged and reformatted, in temporary tables…called Record Sets.…
All of the actual data tables within your database…have remained unchanged throughout this whole process.…Action Queries throw that behavior out the window.…They permanently modify your data.…This can be really powerful when used appropriately…or it can make a big mess really fast.…So before we jump in, I want you to take a moment…
- 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
1. Introduction to Access Queries
2. Creating Simple Select Queries
3. Creating Parameter Queries
4. Use the Built-In Functions
5. Aggregating Records with a Totals Query
6. Working with Dates in Queries
7. Understanding Program Flow Functions
8. Alternative Query Types
9. Writing Queries with Structured Query Language
Explore the basics of SQL5m 59s
10. Useful Query Tricks
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