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

SQL is the leading language for developing and querying databases, but it has a few quirks.In my last article, I shared 7 SQL mistakes to avoid.Now, let’s take a look at 9 best practices for ...

Split data into Rows by Delimeter. By default, Power Query will treat the entire cell content as a single value and load it as a single record with one column and one row.

Uniformity: Unique values are evenly spaced in a column, and those values have the same frequency within each statistical grouping (up to 200 per column). Containment (simple): Users will always ...

However, even without a JSON datatype, SQL Server 2016 still lets you query data stored in JSON format. I’ll look at that support in a later column (among other features, it provides a way to ...

Actian today made available an update to an embedded database that promises to increase SQL query performance within mobile and edge computing applications by as much as 90% in certain use cases.