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Definition of the access rights

Definition of the access rights for the database tasks is based on the same structure like the definition of system tasks (1.6.1). In this case access rights are also ordered by the roles where the role defines access rights to the group of tables, columns, records. The roles are assigned to the role groups. Each role consists of one or more policy. The policy consists of action (INSERT/UPDATE/DELETE), table name, column names for this table and the descriptor, where the descriptor specifies the sets of data on which user can operate. The information about access rights for the database tasks is also stored in the database (see section 1.13, figure 1.6). In this case the same roles table which was defined for the system tasks is used (Table 1.5). The difference is only in the role type definition because here the role is defined as a DBT (Database Task). Besides, there are three additional tables and the view:


next up previous contents
Next: Checking of the access Up: Method for the insert, Previous: Method for the insert,   Contents
Marek Imialek 2006-06-22