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 ...

OK, I’ll admit it. I’m not a DBA, but that doesn’t mean I haven’t overseen databases and their performance. I was (and probably still am) the guy who installed a Microsoft SQL database by hitting Next ...

SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

There are a few types of psoriasis. While some are similar, they can have different symptoms and treatments. Each type affects a different area of your body. Knowing which kind of psoriasis you have ...

Teeth are called incisors, canines, premolars, and molars. Each type of tooth has a specific function, including biting, chewing, and grinding food. Teeth are made up of different layers — enamel, ...