It can consume the services from an ArcGIS Server, as well as used to manage and publish new services.Not the answer youre looking for Browse other questions tagged arcgis-desktop arcgis-server or ask your own question.
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The term geodatabase combines geo (spatial data) with database (specifically a relational database management system or RDBMS). ArcGIS 9.2 has three types of geodatabases: Microsoft Access-based personal geodatabases, file geodatabases, and ArcSDE geodatabases. ArcSDE geodatabases are scalable and designed for larger-scale use, ranging from medium to enterprise-wide implementations. These geodatabases require ArcSDE technology and are available at three levels (in ascending order of capacity and functionality): personal geodatabase (ArcSDE Personal), workgroup geodatabase (ArcSDE Workgroup), and enterprise geodatabase (ArcSDE Enterprise). The responsibility for managing geographic data in an enterprise geodatabase is shared between ArcGIS and whichever RDBMS is used. The schema of an enterprise geodatabase is persisted in the RDBMS as a collection of tables known as the ArcSDE Repository. Aspects related to data storage and retrieval are implemented as simple tables and certain aspects of geographic data management, such as disk-based storage, definition of attribute types, query processing, and multiuser transaction processing, are executed by the RDBMS. IBM DB2, IBM Informix, Oracle, and Microsoft SQL Server platforms are currently supported by ArcGIS. At ArcGIS 9.2, ArcSDE was integrated into both ArcGIS Desktop and ArcGIS Server and is now formally known as ArcSDE technology. As the gateway between GIS clients and an RDBMS, ArcSDE serves spatial data and enables that data to be accessed and managed within an RDBMS. It is implemented as several componentsa directory of executables, a set of tables and stored procedures in the database (i.e., the ArcSDE Repository), and an optional service. During the ArcSDE postinstallation, its contents are populated by a file named giomgr.defs. Configuration keywords are used during data loading and define how the datasets are stored in the geodatabase. Geodatabase administrators can use a file named dbtune.sde to manage the configuration keywords used by the enterprise geodatabase. This information helps build and maintain spatial indexes, ensures proper shape types, and maintains data integrity. Arcgis Server Workgroup Vs Enterprise Software Components IsThis set of platform-independent software components is written in C and provides services to support GIS applications as thick clients on the desktop and thin clients on the server. ![]() In other words, ArcObjects implements behavior on the feature geometries. Feature classes, feature datasets, raster catalogs, topologies, networks, and terrains are all examples of geospatial data elements within the geodatabase data model for which ArcObjects provides the application logic that implements GIS behavior on top of simple spatial features stored in an RDBMS. To most end users, working with the architectural tiers of the enterprise geodatabase is an easy, transparent process. GIS managers or database administrators most likely work directly with these tiers only during the setup and configuration of an enterprise geodatabase or when performing maintenance. Arcgis Server Workgroup Vs Enterprise Full Advantage OfIt takes full advantage of the underlying RDBMS architecture to provide high performance and support for extremely large continuous GIS datasets. RDBMS functionality supports GIS data management for scalability, reliability, security, backup, and data integrity. In addition to supporting many users with concurrent access to the same data, an enterprise geodatabase can be integrated with an organizations existing IT systems. With versioning, the ArcSDE geodatabase can manage and maintain multiple states while preserving integrity in the database. Versioning is the default ArcSDE geodatabase editing environment that explicitly records states (i.e., versions) of individual features and objects as they are modified, added, andor retired. ![]()
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