VM Systems Group Inc. of Vienna acquired software products from Reston-based Systems Center Inc. to enhance IBM's SQL/DS relational database management software.

The transaction was valued at $1.2 million to $1.5 million.

International Business Machines Corp. reports that its SQL/DS software package is used at 7,000 sites worldwide.

VM Systems Group increased its number of employees to 54 from 39 because of the acquisition, said Bruce Mancinelli, company president and chief executive. Mancinelli added that the acquisition is expected to increase the company's annual revenue, now about $6.7 million, by as much as 30 percent in 1991.

A relational database allows users to retrieve stored information more easily. The software VM Systems Group acquired is used to tailor IBM's relational database software package to an individual company's "operating, performance or utility needs," Mancinelli said.

Donasphere Ltd., the Springfield-based investment company and parent company of local Entre Computer Centers, entered into a joint venture with two Hungarian state-owned companies, Szuv and SzKi, both of Budapest, to manufacture and distribute computer and office products to retail stores in Hungary, Poland and Czechoslovakia.

Donasphere will own 80 percent of the Budapest-based venture, to be called Entre Duna Elektranika R.T., while the Hungarian companies will own the remaining percentage, according to a Securities and Exchange Commission filing.

The venture, which will establish licensed Entre stores throughout Hungary, Poland and Czechoslovakia also will maintain a distribution center in Hungary.

Group 1 Software Inc. of Greenbelt, which provides marketing and mail management software, entered an agreement with Xerox Corp. of Stamford, Conn. to market Group 1 products internationally.

The agreement reflects efforts Xerox and Group 1 have been making to assist the U.S. Postal Service encourage major mailers to expand the use of automation techniques.

In addition to the joint marketing program, the two companies plan to help the Postal Service implement its new program to certify the hardware and software used for mailing systems nationwide.

Universal Security Instruments Inc. of Owings Mills, Md., announced that its directors approved the repurchase of up to 250,000 shares of the company's common stock from time to time.

The company said in a statement that Universal's stock is undervalued at current market prices and therefore represents a sound investment for the company.

New York-based Odgen Corp.'s Fairfax subsidiary, Odgen/ERC Government Systems was awarded a subcontract by Eldyne Inc. of San Diego for electromagnetic engineering support optimization of navy fleet communications systems. The three-year contract is valued at $2.4 million.

The Howard University Student Federal Credit Union opened a branch office at Howard Plaza Towers on Sherman Ave. NW.

Oldham & Seltz of Washington, an architectural and interior design firm, was awarded a contract to provide interior design services for the renovation or relocation of the law firm Keller & Hechman.

The Washington office of New York-based World Courier Inc. introduced next-morning service to European business centers.

Associated Child Care Consultants Ltd. of Washington was awarded a three-year contract to develop and manage two national child-care industry associations, the American Association of Early Childhood Educators and the National Childcare Parents Association.

USTravel Systems Inc., through USTravel Systems Affiliate Corp., added 12 agencies nationwide to its affiliate network. The company now has 58 affiliate agencies.

Sharbrooke Management Co. of Rockville, which owns and operates Heavenly Ham stores in the Baltimore area, opened a store in Rockville.

The Inter-Association Council for Printing and Publishing Paper Recycling was formed in Alexandria. The council has 24 print communications associations as members.

Budget Car and Truck Rental of Prince George's County opened an office in College Park.

KSK Communications Ltd. of Tysons Corner began offering public affairs services.

Long Distance Service Inc. of McLean opened an office in Norfolk.

Offutt Childers & Putman, P.C., a certified public accounting and business consulting firm, opened in Vienna.

Announcements of news and developments affecting Washington area companies should be sent to Regional Report, Business News Department, The Washington Post, 1150 15th St. NW, Washington, D.C. 20071.