Chapter 2. SQL Remote Concepts

Some sample installations

While SQL Remote can provide replication services in many different environments, its features are designed with the following characteristics in mind:

SQL Remote should be a solution even when no administration load can be assigned to the remote databases, as in mobile workforce applications.

Data communication among the sites may be occasional and indirect: it need not be permanent and direct.

Memory and resource requirements at remote sites are assumed to be at a premium.

The following examples show some typical SQL Remote setups.

Server-to-laptop replication for mobile workforces

SQL Remote provides two-way replication between a database on an office network and personal databases on the laptop computers of sales representatives. Such a setup may use an e-mail system as a message transport.

 

 

Consolidated

 

 

database

 

Office network

 

 

server

 

Remote

 

 

database

 

Remote

 

 

database

Laptop computer

 

 

 

Laptop computer

 

 

Remote

Remote

 

database

 

database

 

 

Laptop computer

 

Laptop computer

 

 

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Sybase DC38133-01-0902-01 manual Some sample installations, Server-to-laptop replication for mobile workforces