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                       SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

                                -----------------

                                   FORM 10-Q/A

/X/  QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
     EXCHANGE ACT OF 1934 FOR THE QUARTERLY PERIOD ENDED OCTOBER 31, 1998

/ /  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES
     EXCHANGE ACT OF 1934


                            COMMISSION FILE NUMBER 0-23475

                           INFORMATION ADVANTAGE, INC.
             (Exact Name of Registrant as Specified in Its Charter)

                DELAWARE                              41-1718445
      (State or Other Jurisdiction                 (I.R.S. Employer
     of Incorporation or Organization)             Identification No.)

                      7905 GOLDEN TRIANGLE DRIVE, SUITE 190
                       EDEN PRAIRIE, MINNESOTA 55344-7227
          (Address of Principal Executive Offices, including Zip Code)

                                    (612) 833-3700
                (Registrant's Telephone Number, including Area Code)

     Check whether the registrant: (1) has filed all reports required to be
filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the
preceding 12 months (or for such shorter period that the registrant was required
to file such reports), and (2) has been subject to such filing requirements for
the past 90 days. Yes /X/ No / /

     As of November 30, 1998 there were outstanding 24,840,156 shares of Common
Stock, $ 0.01 par value.

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                                TABLE OF CONTENTS

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PART II                                                        1

         ITEM 6 EXHIBITS AND REPORTS ON FORM 8-K               1

SIGNATURES                                                     1

EXHIBIT INDEX                                                  2
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PART II

ITEM 6      EXHIBITS AND REPORTS ON FORM 8-K

   (a)      Exhibit 27.1 - Financial Data Schedule
            Exhibit 27.2 - Financial Data Schedule
            
   (b)      Reports on Form 8-K

            (1)   The Company's Current Report on Form 8-K filed on September
                  25, 1998, relating to the Company's merger with IQ Software
                  Corporation, a Georgia corporation.


                                   SIGNATURES

            Pursuant to the requirements of the Securities Exchange Act of 1934,
the registrant has duly caused this report to be signed on its behalf by the
undersigned thereunto duly authorized on February 22, 1999.

                                        INFORMATION ADVANTAGE, INC.

                                        By:     /s/ Larry J. Ford
                                            --------------------------------
                                                Larry J. Ford
                                                President and Chief
                                                  Executive Officer

                                        By:     /s/ Kurt L. Betcher
                                            --------------------------------
                                                Kurt L. Betcher
                                                Vice President and
                                                  Chief Financial Officer


                                      1
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                                  EXHIBIT INDEX

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Exhibit
Number   Description
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<S>      <C>
27.1     Financial Data Schedule
27.2     Financial Data Schedule
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