https://www.theguardian.com/technology/2022/jun/17/tiktok-us-user-data-china-bytedance

The company has said that Oracle will store all private information and is limiting the number of employees with those privileges

TikTok has said that Oracle will store all the data from its US users, in a bid to allay fears about its safety in the hands of a platform owned by the Chinese company ByteDance.