Oracle says its $7.4 billion purchase of Sun Microsystems has been completed.
The closing of the all-cash deal comes one week after the European Union gave its long-awaited approval, saying the combined company will not significantly affect competition in its markets.
Business software developer Oracle said it was buying Sun, a struggling computer server and software maker, last April. The U.S. Department Justice cleared the acquisition four months later.
The deal gives Oracle ownership of the Java programming language, which runs on more than a billion devices, and the Solaris operating system.
Sun, was a dot-com highflyer that advanced technology used to link computers together, making them more useful.
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