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 ...

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 ...

SQL stands for ‘Structured Query Language’. This is basically a declarative language used for storing and retrieving data in a database. If you’ve heard of SQL, it’s probably in the context of MySQL, ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is a multivalue database? Multivalue databases have tabular structure that ...

This post is one of a series that introduces the fundamentals of NOSQL databases, and their role in Big Data Analytics. What is a time series database? Time series databases are designed to optimize ...

I am doing a research presentation, and have been running into alot of database stuff I only "kind of" understand. I was wondering if someone here could just give me basic definitions for these two ...