As a means of data storage the ELF system uses the modern relational database Firebird SQL.
Firebird (FirebirdSQL) – is a compact, cross-platform, free database management system (DBMS) that runs on GNU / Linux, Mac OS, Microsoft Windows and various Unix platforms. As the advantages of Firebird can be noted multi-version architecture that enables parallel processing of operational and analytical inquiries, compactness (the distribution 5Mb), high efficiency and powerful language support for stored procedures and triggers. Firebird performance is not inferior to many well-known commercial databases. More information about Firebird can be found in Wikipedia or materials on the Firebird site.
ELF system uses client-server technology, which has the following advantages:
DBMS Firebird, can be deployed on systems UNIX / Linux, which can be considered an additional advantage because:
1 company is slready contained in a base program license. Here you should put a number of extra companies that could to be used simultaneously in one program database. Further, while ordering on this site you will have to indicate exact names for each company in the license.
1 user is slready contained in a base program license. Here you should put extra users that need simultaneous access to the program database.
The composition of a program package depends on requirements in your company and determines the final product cost.