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DB2 Roles

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DB2 Roles


A role is a database object that groups multiple privileges that can be assigned to users, groups, PUBLIC or other roles by using GRANT statement.

Restrictions on roles

  • 0px 4px no-repeat;">A role cannot own database objects.
  • 0px 4px no-repeat;">Permissions and roles granted to groups are not considered when you create the following database objects.
    • 0px 4px no-repeat;">Package Containing static SQL
    • 0px 4px no-repeat;">Views
    • 0px 4px no-repeat;">Materialized Query Tables (MQT)
    • 0px 4px no-repeat;">Triggers
    • 0px 4px no-repeat;">SQL Routines

Creating and granting membership in roles

Syntax: [To create a new role]

db2 create role <role_name>

Example: [To create a new role named ‘sales’ to add some table to be managed by some user or group]

db2 create role sales 


DB20000I The SQL command completed successfully.

Granting role from DBADM to a particular table

Syntax: [To grant permission of a role to a table]

db2 grant select on table <table_name> to role <role_name>

Example: [To add permission to manage a table ‘shope.books’ to role ‘sales’]

db2 grant select on table shope.books to role sales 


DB20000I  The SQL command completed successfully.

Security administrator grants role to the required users. (Before you use this command, you need to create the users.)

Syntax: [To add users to a role]

db2 grant role <role_name> to user <username>

Example: [To add a user ‘mastanvali’ to a role ‘sales’]

db2 grant sales to user mastanvali  


DB20000I  The SQL command completed successfully.

Role hierarchies

For creating a hierarchies for roles, each role is granted permissions/ membership with another role.

Syntax: [before this syntax create a new role with name of “production”]

db2 grant role <roll_name> to role <role_name>

Example: [To provide permission of a role ‘sales’ to another role ‘production’]

db2 grant sales to role production 


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