MGS Associates, Inc.
SAS Information Technology
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Data Tier
Often referred to as the ‘back-end’ and contains your data whether it be in ERP systems, SAS data files, proprietary databases, or SAS Scalable Performance Data Structures (SPDS tables).
Server Tier
Various logical servers that comprise the SAS BI system
Meta Data Server
First and foremost this logical server is the brain and memory for the whole system.
Contains all the information needed for authorization, modeling, and reporting.
Maintains tables that describe your data, your users, your authorization levels, your passwords and connections to external data sources.
Essential the repository for the ‘data about your data’.
Logical Servers
Other logical servers supporting the system are:
OLAP Server
SAS/Connect Server
SAS/Share Server
Object Spawner
Workspace Server
Stored Process Server
Client Tier
This typically consists of the various clients that SAS provides to build and explore your data
SAS Data Integration Studio
SAS OLAP Cube Studio
SAS Information MAP Studio
SAS Enterprise Miner
SAS Enterprise Guide
Mid Tier
This is also known as the 'Web-Tier' and consists of the browser and web based clients that allow you to surface your data from the Data Tier.
SAS Web Report Studio
SAS Information Delivery Portal
SAS Studio
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