Overview of Wildcard Characters in Access Wildcard characters in Access add flexibility to query criteria. Wildcard characters in Access represent unknown values. The asterisk “*” and the question mark “?” are the two main wildcard characters in Access you need to know. The asterisk represents multiple unknown characters. For example, the criteria “N*” would
Overview of Sorting a Query in Access You can sort a query in Access by any field within the QBE grid when viewing the query in design view. To sort a query in Access when in design view, click into the “Sort” row of the field in the QBE grid by which to sort
Overview of Creating a Query in Access Creating a New Query in Access To create a query in Access in query design view, click the “Create” tab in the Ribbon. Then click the “Query Design” button in the “Queries” button group. Doing this then creates a new query in query design view in Access.
Overview of Aggregate Function Queries in Access Aggregate function queries in Access let you create summary queries that perform a mathematical function, called an “aggregate function,” on a field, based on groups of values found in another grouped query field or grouped query fields. These are usually shorter queries, often used for reporting.
The SQL training “Mastering Introductory SQL Made Easy™ v.1.0” discusses SQL in Access 2013. Access 2013 is a RDBMS that creates self-contained databases and provides visual tools to allow users to make relational databases without the need for SQL. As such, there are few places to use SQL in Access.
To view the complete tutorial, click here Understanding SQL Functions Functions serve a wide range of purposes within SQL. You can use aggregate functions to perform calculations on grouped values within a query. That is one very common use of functions within SQL. However, there are other types of