To enable automatic decryption of the database master key of a mirror database, you must provide the password used to encrypt the master key to the mirror server instance.

若要启用镜像数据库的主密钥自动解密功能，必须向镜像服务器实例提供用于加密主密钥的密码。

youdao

The data goes into a master CRM database, where we put it to active and regular use.

FORBES: Is It Possible To Gather Too Much Customer Data? No!

With 1Password, you'll only need to memorise a single master password to have one-click access to your database of usernames and passwords, which is safe if you make that master password hard to guess.

BBC: Password protection on the road

Avidsen, a provider of market information to the global commercial insurance industry, reported Monday that securities litigation tracked 169 securities cases in its Master Significant Case and Action Database, 35.2% ahead of the 125 cases in the fourth-quarter of 2008, and 26.1% ahead of the previous year's corresponding period.

FORBES: Magazine Article