Learn how to use SQL in Microsoft Access with this step-by-step guide, complete with examples, FAQs, and tips for better database management.

You can query across databases in Oracle and Sql Server, with a little work. I'm not sure about access. <BR>It really would be easier to just link the tables I would think.

That means they’re faster than Access queries. Transact-SQL (T-SQL) provides procedural extensions to SQL, allowing you to build more sophisticated queries.

i'd like to make a query in access (and eventually SQL 2k) that will combine a table of activities (each row with a unique activityID and activityName) along with a table of activityToUsers (each ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement.

PostgreSQL foreign data wrappers are a great way to expose APIs to SQL. And SQL is a great way to reason over the data.