Salesforce.com will standardize on Oracle's database software, Linux operating system, Java middleware and Exadata Database Machine servers under a nine-year agreement unveiled by the two companies Tuesday.

The two software giants also will integrate Salesforce.com's CRM and other cloud applications with Oracle's Fusion HCM (human capital management) and Financial Cloud Software-as-a-Service applications, and Salesforce.com will adopt those Oracle applications to run its own business.

The news comes one day after Oracle and Microsoft unveiled a sweeping alliance under which Oracle will support Microsoft's Windows Azure cloud platform and Hyper-V virtualization technology.

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