A Query is a tool that retrieves data from a single table or multiple tables; it is the most powerful tool to analyze your data in Microsoft Access; Basically, a Query is just a question presented in ...

Merge lists even with typos and inconsistent names. Tune the similarity threshold, use a transform table, and audit results before loading.

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

Schema design, indexes, queries, configs, I/O... what could go wrong? Follow these 10 essential tips to keep your MySQL servers humming. MySQL is the world’s most widely used open source database, and ...

What’s the difference between a table and a range of columns and rows on an Excel spreadsheet? How do I create and populate tables? And, once a table is created, how do we custom filter, format, and ...