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SymmetricDS is open source software for database and file synchronization with Multi-master replication, filtered synchronization, and transformation capabilities. [2] It is designed to scale for a large number of nodes, work across low-bandwidth connections, and withstand periods of network outage. [3]
Data synchronization is needed to update and keep multiple copies of a set of data coherent with one another or to maintain data integrity, Figure 3. [1] For example, database replication is used to keep multiple copies of data synchronized with database servers that store data in different locations.
Starting with the 9.3 release, Esri added support for the open-source PostgreSQL database. ArcSDE serves data for the advanced ArcGIS Desktop products (ArcView, ArcEditor and ArcInfo); the ArcGIS development products (ArcGIS Engine and ArcGIS Server), ArcView 3.x as well as ArcIMS. It is a key component in managing a multi-user Esri-based GIS.
Laminas, framework that includes a table data gateway and row data gateway implementations; Qcodo, ORM and framework, open source; Redbean, ORM layer for PHP, for creating and maintaining tables on the fly, open source, BSD; Skipper, visualization tool and a code/schema generator for PHP ORM frameworks, commercial
The project is currently referred to as Open Mobile Alliance Data Synchronization and Device Management. [1] The purpose of SyncML is to offer an open standard as a replacement for existing data synchronization solutions; which have mostly been somewhat vendor , application , or operating system specific.
Mobile computing devices (e.g., smartphones and PDAs) store and share data over a mobile network, or access a database which is actually stored by the mobile device.This could be a list of contacts, price information, distance travelled, or any other information.
The data behind ArcIMS is usually stored in Shapefile format (an open specification) or in an ArcSDE RDBMS database. The Data Delivery Extension (DDE), an extension to the ArcIMS product, delivers data to users in a data format and coordinate system of their own choosing, in order to have access to data in a format compatible with their local ...
The MySQL Datacontroller storage engine for the MySQL relational database management system is a storage engine which allows a user to create a table that is a local representation of a foreign (remote) table. The foreign table can be located into another storage engine like Oracle or Microsoft SQL Server (MSSQL).