Follow this step-by-step guide to install PostgreSQL, load data, connect to a database, and execute SQL queries including table joins PostgreSQL is an open-source, object-relational (also called ...

Well, I am back with another SQL question and you guys have been so helpful that I figured I give it another shot.<br><br>So, I have a table that has events being ...

Hey, been reading the board for a bit. First post. I'm having issues coming up with a SQL query that will provide the average admits for each day of the week. However, I can't for the life of me get ...

SQL is a convenient way to manage and query your data, but badly written queries can tie up your database. Here are seven common SQL traps and how to avoid them. Database developers have it tough.