Release 10.1A: OpenEdge Data Management:
SQL Development

> ## Security levels

> There are two levels at which you can establish security for your database, the application level and the database level.

> ##### Application level

> At the application level, users are granted an identification and password that enables access to an application. Once users have logged into the application, their access to its database is unlimited.

> ##### Database level

> At the database level, all application users have access to the database. However, a database administrator (DBA) establishes rules that determine whether users can view or manipulate data. The DBA can define the rules in general or specific terms. Rules can be applied to groups of users or on a user-by-user basis. Rules can also determine whether a user or users can view or manipulate specific tables or even columns within a table.

> The manner in which you define security depends on whether your application’s database has:

> - Progress 4GL tables only.

> - OpenEdge SQL tables only.

> - Progress 4GL and OpenEdge SQL tables.

> For information on controlling database security for Progress 4GL tables only, see OpenEdge Data Management: Database Administration .

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