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 ...

You can enter an SQL query in the SQL Editor window if you already know the libref or creator, table, and column names that you want to use. The SQL Editor window is a complete editor with the ...

Unlike the previous version of SQL Server, SQL Server 2000 lets you specify collations for almost any task, at virtually every level within a database — from table column to SELECT statement ...

Anyone who has seen a ten- or twenty-page SQL SELECT statement can attest to this SQL mosaic-ability. Sadly, this simple and elegant aspect leads to confusion among many who should know better. While ...

Oracle9i offers some great tools to make it easy to view the execution plan and trace information for a SQL statement. Prior to Oracle8i, you had to create a plan table and execute special syntax ...