The default data retention periods for Webtrends On Demand and Visitor Data Mart are as follows:
For Visitor Data Mart:
Visit - 13 months
Visitor - 13 months
Ad Clickthrough - 13 months
On-Site Search - 13 months
Search Clickthrough - 13 months
Content Group View - 3 months
Product View - 3 months
Scenario - 3 months
Shopping Carts - 3 months
Custom Events - 3 months
Daily - Standard Retention, 120 days. Extended Retention, 400 days (includes hourly counts).
Weekly - Standard Retention, 56 weeks. Extended Retention, 110 weeks (includes daily counts).
Monthly - Standard Retention, 24 months. Extended Retention, 38 months (includes daily counts).
Quarterly - Standard Retention, 12 quarters. Extended Retention, 40 quarters (includes monthly counts).
Yearly - Standard Retention, Unlimited. Extended Retention, Unlimited (includes quarterly and monthly counts).