Learn the basics of database queries, the types of queries you can use, and how they can help you perform data analysis tasks in data warehousing and analytics.

Learn some techniques to optimize your database queries for performance and efficiency, such as choosing the right database, designing the data model, writing and tuning the query.

A database query is a request for data from a database. It’s a way for a user or a program to retrieve data stored in a database by asking questions about the data. But how do you do that? In ...

A few months ago a new option was added to the Sql.Database and Sql.Databases functions in Power Query in Power BI and Excel which allows Power Query queries that combine data from different SQL ...

The query optimizer has to figure out by itself what indexes to use to avoid brute force table scans and achieve good query performance, unless the particular database supports index hints.

The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business ...

Graph database query languages are growing, along with graph databases. They let developers ask complex questions and find relationships.

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases.

The AI Database Chatbot is an innovative project to transform users' interactions with relational databases. At its core, this chatbot is powered by advanced AI models from OpenAI, enabling it to ...