"It's not the amount of data that's important. It is the ability to manage large volumes of data, concurrent queries, hundreds and thousands of users, multiple applications, and support of both batch and real-time loading. And the hard part is to do all of this on a single enterprise data warehouse," said Randy Lea, vice president of product and services at , in an e-mail. "Teradata stands as the proven, recognized leader in enterprise data warehousing and we don't anticipate that Microsoft's announcement will enable them to be a competitor in this enterprise space."