ALTER ROLE

Modifica roles. Sintaxis:

ALTER ROLE [IF EXISTS] name1 [RENAME TO new_name |, name2 [,...]]
    [ON CLUSTER cluster_name]
    [DROP ALL PROFILES]
    [DROP ALL SETTINGS]
    [DROP PROFILES 'profile_name' [,...] ]
    [DROP SETTINGS variable [,...] ]
    [ADD|MODIFY SETTINGS variable [= value] [MIN [=] min_value] [MAX [=] max_value] [CONST|READONLY|WRITABLE|CHANGEABLE_IN_READONLY] | PROFILE 'profile_name'] [,...]
    [SET variable [= value] [MIN [=] min_value] [MAX [=] max_value] [CONST|READONLY|WRITABLE|CHANGEABLE_IN_READONLY] [,...] ]
    [ADD PROFILES 'profile_name' [,...] ]

SET variable = value es un alias de MODIFY SETTING variable = value: modifica una sola configuración manteniendo el resto, a diferencia de la cláusula SETTINGS sin modificadores, que reemplaza toda la lista de configuraciones y también elimina todos los perfiles heredados (padre). Parte de: ALTER Relacionado: CREATE ROLE, ALTER, SET ROLE, GRANT

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