USER_PROXIES
Description of connections the user is allowed to proxyColumns
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CLIENT
Name of the client user who the proxy user can act on behalf of
CREDENTIAL
Credential passed by the proxy for the client (if any)
TYPE
Type of the credential
VERSION
Version of the credential
AUTHORIZATION_CONSTRAINT
Indicates the proxy's authority to exercise roles on client's behalf
ROLE
Name of the role referenced in authorization constraint
Related: