Shared Database Shared Schema. I hope that helps and would love to have your thoughts about it. I'm building a multi-tenant app (single database, single schema) using ASP Web API, Entity Framework, and SQL Server/Azure database. MSDN blogs Moving to Multi-Tenant Database Model Made Easy with SQL Azure Federations. 3. The Overflow Blog Improve database performance with connection pooling. database-design - single - sql server multi tenant schema . The Overflow #43: Simulated keyboards. CloudExpo SaaS - Multi-Tenant Database Design Options. Browse other questions tagged sql-server sql-server-2008 database-design multi-tenant or ask your own question. So those are some of the Tips & Tricks you can use in order to be successful building Multi-Tenant Databases in Windows Azure SQL Databases. If each tenant does not need physical separation of data and you don't plan on making tenant specific schema changes in the database then I would think a multi-tenant three database design … Tenant data is isolated. Ayende@Rahien blog Multi Tenancy - The Physical Data Model Shared database, one schema per tenant. 2. Ask SQL Server Central One database or multiple? Posted: August 11, 2012. Featured on Meta Responding to the … (7) Another point to consider is that you may have a legal obligation to keep one companies' data separate from anothers'. SQL Server Central Mixing tables from different databases/applications into one database. One database per tenant. Should I use a single or multiple database setup for a multi-client application? It fully depends on your requirement as which approach to choose but if you want a truly multi-tenant application I would suggest the 3 rd approach i.e. If you put everyone in the same database, you're eventually going to hit a wall on your current hardware and then you're either going to move everyone to bigger hardware anyway. A tenant identifier (tenant key) associates every row with the right tenant. When you're designing a multi-tenant database, you generally have three options: All the tables will have TenantId (Guid / UNIQUEIDENTIFIER) field. There are many important advantages to isolating a tenant in a database. You can still go with a multi-tenant database design, but in the end state you will have a mix of multi-tenant and single-tenant databases. Keeping each tenant in a separate database makes it very easy to move a highly-demanding tenant to their own server, place their data/log files on faster I/O, etc. Note that I'm not talking about single vs multi-database on a single SQL Server. Separate Database. – Daniel Hutmacher Mar 27 '17 at 18:50 Yes, it make sense to have the TenantId in every table to avoid the unnecessary joins too. Shared database, shared schema. There are several approaches to multi-tenant databases. For discussion, they're usually broken into three categories. This app will be used by 1000-5000 customers. But stepping back, you should plan to have multiple federated databases holding your tenant data. It's not hard to imagine that these databases simply perform worse. Shared Database Separate Schema. Right now, I use single field Primary Key which is Id (Guid). 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