Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

SQL is the leading language for developing and querying databases, but it has a few quirks.In my last article, I shared 7 SQL mistakes to avoid.Now, let’s take a look at 9 best practices for ...

I'm willing to PayPal someone a few bucks if they can answer this. Or you can have my undying admiration and respect. Either one, fine with me.<BR><BR>I have a database table that stores the cost ...

Database developers have it tough. Whether they use SQL Server, Oracle, DB2, MySQL, PostgreSQL, or SQLite, the challenges are similar. It’s too easy to write queries that perform badly, that ...