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SAS/ACCESS Interface to SYSTEM 2000 Data Management Software: Reference

SYSTEM 2000 Execution Environments

When you access a SYSTEM 2000 database, you can work in either a single-user execution environment or a Multi-user execution environment.

In a single-user environment, you are working with your own copy of SYSTEM 2000 software. You usually have exclusive access to the database. However, the single-user environment can be configured so that all users can query the database.

In a Multi-User environment, many users can access a database at the same time, with queries and updates being handled by the Multi-User software simultaneously for all databases being accessed. The Multi-User software automatically ensures data protection during concurrent updates, and it automatically guards a database against conflicting tasks.


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