ocr: FIGURE 3: Distributed client/server with the RDBMS three-tier model Personal data in local database Applcalion/Development Tools Local snapshot of Personal Oracle7 remote data Query/update remote data Database Links Shared repository for Orace7 the workgroup Workgroup, Replication and remote update Serven of critical corporate data Release72 Tens of users, fens of gigabytes Database Links Enterprise-level information Oracle7 Data warehouse, Enterprise high-volume OLTP Server (UNIXI Thousands of users, hundreds of gigabytes
