Exhibit 4

                        CERTIFICATE OF OWNERSHIP AND MERGER

                                      MERGING

                                 ZAMBA CORPORATION,
                               a Delaware Corporation

                                        INTO

                                   RACOTEK, INC.
                               a Delaware Corporation

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                            Pursuant to Section 253 of the
                   General Corporation Law of the State of Delaware

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               Racotek, Inc. a corporation organized and existing under the 
General Corporation Law of the State of Delaware,

               DOES HEREBY CERTIFY:

               FIRST:    That this corporation owns all of the outstanding 
shares of Zamba Corporation, a corporation organized and existing under the 
General Corporation Law of the State of Delaware.

               SECOND:   That this corporation, by the following resolutions 
of its Board of Directors, duly adopted by Unanimous Written Consent pursuant 
to Section 141(f) of the General Corporation Law of the State of Delaware on 
the 5th day of October, 1998, determined to merge Zamba Corporation into 
itself on the terms and conditions set forth in such resolutions:

               RESOLVED, that Zamba Corporation be merged with and
         into the Corporation and that the Corporation be the surviving
         corporation in such merger;

               FURTHER RESOLVED, that the merger shall become
         effective upon the date and time of the filing of a
         Certificate of Ownership and Merger with the Secretary of
         State of the State of Delaware;

               FURTHER RESOLVED, that upon the effectiveness of the
         merger, the Corporation shall assume all of the liabilities
         and obligations of Zamba Corporation; and


                                          1.



               FURTHER RESOLVED, that upon the effectiveness of the
         merger, the name of the Corporation shall be changed to "Zamba
         Corporation" and Article I of the Third Amended and Restated
         Certificate of Incorporation of the Corporation shall be
         amended to read as follows:

                         "ARTICLE I.    The name of this corporation is Zamba
                    Corporation."

               IN WITNESS WHEREOF, this Certificate of Ownership and Merger 
is hereby executed on behalf of the surviving corporation, Racotek, Inc., and 
attested to by its officers thereunto duly authorized.

Dated as of October 5, 1998

                                             RACOTEK, INC.



                                             By: /s/ Michael A. Fabiaschi
                                                 ------------------------
                                                 Michael A. Fabiaschi
                                                 ------------------------
                                                 President and Chief
                                                 Executive Officer


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