WSJ.com - Technology "IBM, which was aided by its acquisition of Informix Corp., narrowly edged out Oracle in database license revenue generated in 2001, according to Gartner Inc., a San Jose, Calif., market research firm. IBM, Armonk, N.Y., experienced a 4.3% jump in license revenue to $3.06 billion, boosting its market share to 34.6% from 33.7% in 2000, Gartner said. The Informix unit, which it purchased in December 2000, contributed $264 million to IBM's total. ... Revenue for Oracle, of Redwood Shores, Calif., declined 4.9% to $2.83 billion, and its share of license revenue declined to 32% from 34%, Gartner said. ... The competition is also increasing from Microsoft Corp., whose share of database revenue grew 17.8% in 2001 to $1.4 billion, with market share that rose to 16.3% from 14%. "What's interesting is to notice the shifting and the power struggle among the vendors," said Gartner's Betsy Burton, an analyst who supervised the study. "It's down to the Big Three."