The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

If your business uses relational databases to store data, it helps to use the SQL SELECT command with the INTO clause to create new tables from query results. This method isn't ANSI-standard SQL, but ...

Updating fact rows inside a star schema set of tables is never a best practice. Even so, some organizations travel down this path. Consultants occasionally will go so far as to embrace the idea of ...