Sams Teach Yourself Beginning Programming in 24 Hours, 4th Edition

Hour 17SQL

So far, this tutorial has covered three programming languages, which may approach syntax and commands differently but have clear similarities in approach and concepts. Thanks to these similarities, once you’ve learned one programming language, you have a head start on learning additional similar languages. Structured Query Language (SQL) is not as similar to the other languages you’ve learned about so far as they are to each other. But SQL is a tool used by a much wider group of business professionals, as it is used to retrieve data from databases and update the data as needed. Many people who would never consider themselves to be programmers employ SQL as part of their day-to-day responsibilities. They use SQL to help grab subsets ...