Siebel Systems shareholders have approved Oracle's $5.85bn (£3.44bn) takeover of the company.
Siebel shareholders almost unanimously approved the deal, first announced last autumn, which will see Oracle use Siebel to gain a much bigger slice of the customer relationship management market.
Oracle will now not only be able to take on leading hosted CRM player Salesforce.com, but also be in a good position to further challenge bitter business applications rival SAP, which is about to launch its own hosted CRM service.
In the last two years, Oracle has spent around $19bn in acquiring rival companies, including the takeover of PeopleSoft, which included the JD Edwards business.
Oracle says it’s now half-way there in fully integrating the PeopleSoft line of products into its portfolio. Siebel users are now waiting for Oracle to announce similar product integration plans.
Oracle plans to host a conference on 9 February to put some meat on that product integration strategy.