TECHNOLOGY & TELECOMMUNICATIONS

Oracle Agrees to Buy DEC’s Database Unit: Troubled Digital Equipment Corp. is selling its database software unit for $108 million in cash as part of its effort to concentrate on its core business of manufacturing computers that work in networks. Oracle, based in Redwood Shores, Calif., plans to integrate Digital’s products into its own. Both companies’ software is used by large companies to keep track of high-volume data such as customer names and sales information.