SQL stands for Structured Query Language, and it is a standard way of communicating with databases. Databases store and organize large amounts of data in tables, which consist of rows and columns ...

Microsoft has just added support for query hints to Azure SQL Database, giving database administrators a powerful tool to manage the performance of ISV application code. Here's how it works.

An SQL query builder is a tool that allows you to create SQL queries by using a drag-and-drop interface or a visual diagram. You can select tables, columns, joins, filters, and other parameters ...

How to add a new column in Power Query Our goal is to combine the t-shirt sales by client into a single cell for each client. Doing so entails grouping by the clients.

It’s surprisingly easy to stop query folding happening in Power Query by changing the data type of a column. This is mentioned in the docs here, and it’s something several people have blogged about ...

In addition to using standard query functionality, there are three keywords that let you compare an expression value to a one-column subselect statement result set. These keywords return a TRUE or ...