SGISenterprise is the multi-user edition of SGIS. Up to 10 concurrent users can easily share data with a locally hosted SQL Server database. All the functionality of SGISpro is included in each client installation. Existing SGISpro users can be upgraded to SGISenterprise and databases converted to SQL. Merging of multiple SGISpro database can be performed to consolidate and centralize. Two levels of SGISenterprise are available, depending on the number of users required and the size of the database. Esri technology and licensing are the backbone of SGIS. 2-3 users can share a database of up to 10GB using the Esri Work Group level. The Esri Enterprise level can be used if either 4-10 users or a database of unlimited size are required.