EXHIBIT 23.2 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the incorporation by reference in the Registration Statement (Form S-8 Nos. 333-77299, 333-89523, 333-42118, 333-42112, 333-42110, 333-54614, 333-66754, 333-99627 and 333-109687; and Form S-3 Nos. 333-51754, 333-42120, 333-45304, 333-51754, 333-66752 and 333-109683)of Informatica Corporation of our report dated January 16, 2004, with respect to the consolidated financial statements and schedule of Informatica Corporation included in this Annual Report (Form 10-K) for the year ended December 31, 2003. /s/ ERNST & YOUNG LLP Palo Alto, California March 8, 2004