Development
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Structure of SaaS system:
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* SaaS Portal - main database for control servers and clients, manage client templates and plans.
* SaaS Servers - technical databases to control client databases. SaaS server create, edit, delete databases. Each SaaS Server can be installed on a separate machine (e.g. VPS)
* SaaS Clients - client database to be used by customers. Each SaaS Client is attached to a SaaS Server.