Sun Microsystems Inc. is standardizing its software products on an open-source database to store and manage non-relational data.

Sleepycat Software Inc. will announce on Wednesday that Sun, of Palo Alto, Calif., has chosen Sleepycat's Berkeley DB database as the embedded database within its software line. The database is incorporated in key components of the Sun Java Enterprise System, formerly known as Project Orion, and the Sun Java Enterprise Desktop System, formerly known as Project Mad Hatter, both launched on Tuesday.

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