I’ve created a script that monitors a table in a SQL Server database. I’m only interested in one column in the table: TimeStamp. If the maximum (newest) value in TimeStamp is more than 30 ...

In May 1974, Donald Chamberlin and Raymond Boyce published a paper on SEQUEL, a structured query language that ... rather than new and exciting projects. SQL, on the other hand, is still being ...

That’s the conventional wisdom, but the sheer number of projects putting a convenient SQL front end on Hadoop data stores shows there’s a real need for products running SQL queries against ...

Read this SQL tutorial to learn when to use SELECT ... A simple SELECT statement is the most basic way to query multiple tables. You can call more than one table in the statement’s FROM clause ...