Clever Ways to Use an SQL Concatenation String

Structured Query Language (SQL) is a remarkably powerful tool, and one that is packed full of features. Once you’ve mastered the most important SQL commands, you can start to get a bit more creative with your SQL. Today I’ll show you everything you need to know about SQL concatenation strings. There are many different SQL dialects. For all these examples, I’m using the PostgreSQL variant. What Is Concatenation? Concatenation means to join two things together. You may have used it in a programming language to join two strings together. Perhaps you have a first name and surname variables that you...

Read the full article: Clever Ways to Use an SQL Concatenation String

from MakeUseOf http://ift.tt/2wlFGiy
via IFTTT