In this movie, Adam will show how to use comparison operators to select ranges of numerical data. Comparison operators return records that match the relationship to a value, for example whether its greater than the value specified, or less than, or equal to. Comparison operators are useful for locating records that meet or exceed a certain known value.
- [Voiceover] When the fields in your table…are of a numerical data type,…Access provides additional operators…that you can use when writing your queries.…One type is called the comparison operators,…and they sort and qualify your data…based off of the numerical value of the record.…Comparison operators are also called relational operators.…They don't simply match in exact value.…Comparison operators return records…that match the relationship to a value.…For instance, whether it's greater…than the value you specified,…or less than, or equal to.…Let's take a look at this…by creating a new query in Design view,…and this time I'm gonna base it off of the Products table.…
I'll double-click on it to add it,…and close the Show Table window.…From the Products table, I wanna add in all of these fields,…so I'll just double-click on each one of these,…and that'll add them into the grid down below.…There's price.…Let's say I wanted to find an exact match,…I wanted to find all of the products…that were exactly $45.…We saw previously I could just come in here…
- 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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