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Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types. Datetimes and intervals are ...

Assuring optimal performance of database applications starts with coding properly formulated SQL. Poorly written SQL and application code is the cause of most performance problems. As much as 75% of ...

Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What are wide column stores? Wide column stores are database management systems ...

Many people claim to understand the basics of good data and database hygiene. Often, these same people claim it is all very simple and very obvious. However, when peering into existing code and ...

Microsoft's SQL Server Migration Assistant lets you move your data and schema to different SQL Servers. Here's what you need to know about the tool. Image: Dilok/Adobe Stock The Microsoft SQL Server ...