RDB$SECURITY CLASSES

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RDB$SECURITY_CLASSES defines access control lists and associates them with databases, tables, views, and columns in tables and views. For all SQL objects, the information in this table is duplicated in the RDB$USER_PRIVILEGES system table.

RDB$SECURITY_CLASSES
Column name Datatype Length Description

RDB$SECURITY_CLASS

CHAR

67

Security class being defined; if the value of this column changes, change its name in the RDB$SECURITY_CLASS column in RDB$_DATABASE,RDB$RELATIONS, and RDB$RELATION_FIELDS

RDB$ACL

BLOB

Subtype ACL: Access control list that specifies users and the privileges granted to those users

RDB$DESCRIPTION

BLOB

Subtype Text: User-written description of the security class being defined