1 Exhibit 10.25 August 10, 1998 Gary Rhea Vice President Finance & CFO Versant Object Technology Corporation 6539 Dumbarton Circle Fremont, CA 94555 Dear Gary, This letter is to acknowledge that Versant Object Technology Corporation ("Borrower") for the time period ending June 10, 1998 has breached paragraphs 6.17b (Minimum Tangible Effect Net Worth), 6.17d (Minimum Quick Ratio), 6.17e (Maximum Debt Ratio), 6.17i (Minimum Debt Service Ratio), and Minimum profitability of the Credit Facility ("Agreement") dated May 15, 1997 between Borrower and Comerica Bank - California ("Bank"). Bank agrees to waive compliance with the defaulted covenants through June 30, 1998. This waiver applies only to the defaulted covenants. This waiver does not apply to any other default that may now exist or may occur after the date of this waiver with respect to the defaulted covenants or any other term, condition or covenant of the Agreement. All other terms and conditions of the Agreement remain unchanged. Sincerely, By: __________________________ Comerica Bank - California Alan Jepsen Vice President and Assistant Manager