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Getting Startedwith pureQuery

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332<br />

<strong>Getting</strong> Started with <strong>pureQuery</strong><br />

DB2 Enterprise Edition<br />

DB2 Workgroup Edition<br />

DB2 Express Edition<br />

DB2 Express-C<br />

Extra<br />

Extra<br />

Extra<br />

+ + + functionality functionality functionality<br />

Figure C.2 - DB2 Server Packaging<br />

As shown in Figure B.2, all DB2 server editions are built one on top of the other. DB2<br />

Express-C is a free version of DB2, and it is the core component of all DB2 products. When<br />

additional functionality is added to DB2 Express-C, it becomes DB2 Express. Additional<br />

functionality added to DB2 Express, becomes DB2 Workgroup, and so on. Figure B.2<br />

illustrates why it is so easy to upgrade from DB2 Express-C to any other DB2 server should<br />

you need to in the future: All DB2 servers editions are built based on DB2 Express-C.<br />

Also applications built for DB2 Express-C are applicable on other DB2 Editions as well.<br />

Your applications will function without any modifications required!<br />

C.2.2 DB2 Clients and Drivers<br />

When you install a DB2 server, a DB2 client component is also installed. If you only need<br />

to install a client, you can install either the IBM Data Server Client, or the IBM Data Server<br />

Runtime Client. Figure B.3 illustrates these two clients.

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