SQL queries use Structured Query Language (SQL), a standard scripting language, to make requests from databases. You can use four types of SQL queries in Access 97: union, pass-through,...
By creating a Delete action query in Microsoft Access, you can automatically delete a group of records from one or several tables. For example, in your CD database, you could use a delete query to...
By using a primary key to uniquely identify each record stored in each table, you can instruct Microsoft Access to find and group together information stored in various tables. There are three...
Access uses an index in the same way that you would use an index in a book: to find information more quickly. Indexing fields that you frequently search can speed up sorts. You can index multiple...
You can keep your Microsoft Access database free of confusing clutter by preventing duplicate values. These instructions are for Access 97.
Remove the primary key only if you're sure you won't need relationships between the tables in your database. Remember, you can only run queries on tables that have been joined in a relationship....
You can ensure that relationships between records in related tables are valid by enforcing referential integrity in Microsoft Access. For example, if referential integrity is enforced, you will...
In a "many to many" relationship, one record in either table can relate to many records in the other table. For example, in a library database, one record in your Titles table could relate to...
Primary keys are unique record identifiers that MS Access uses when retrieving information for a query or a report. With primary keys, you can join tables in relationships so that you can query...
By updating data in a Microsoft Access query, you can change or update the data in the underlying table. These instructions are for Access 97.
By defining the join type between Microsoft Access tables, you can stipulate which records a query uses for its action. The join line shows Access how tables are related. These instructions are...
If your requirements for information retrieval change, it's simpler and quicker to edit an existing relationship in Microsoft Access than to delete it and start over. These instructions are for...
You can automatically update or delete related records from various MS Access tables by using cascading updates or cascading deletes. These instructions are for Access 97.
If you have data stored in tables in other databases or applications, you can import the data into Microsoft Access. These instructions are for Access 97.
If your Mac isn't talking to your Universal Serial Bus (USB) peripherals or your peripherals aren't talking back, here's how to open channels of communication.
Linking data is similar to importing, but instead of placing a copy of the information into Access, you add a "link" to the external database. If you update the information in the external...
A form provides an interface for entering data into a database. Forms can be easier to use than Datasheet view, especially if others are typing in your data. You can create a simple form with the...
You can view or enter data into multiple tables using one form. For example, if you are a potter, you could create a form that shows information from both your Galleries table and your Pottery...
You can create a Microsoft Access form or report from filtered records. For example, you might filter all records of a particular recording artist in your CD collection, and print a report based...
Organize your data for printing by creating a Microsoft Access report. You can generate reports by using the AutoReport function, by using a Report wizard or by designing the report yourself....
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