Browse other questions tagged sql-server sql-server-2008 database-design multi-tenant or ask your own question. Shared database, one schema per tenant. 2. SQL Server Central Mixing tables from different databases/applications into one database. Note that I'm not talking about single vs multi-database on a single SQL Server. Since each customer will only be granted access to its own schema, it’s very easy to achieve customer isolation. – 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. For Architecting a Database You can Opt for any One of the Following Three Approaches: 1. 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. Therefore, the tenant identifier is the database schema itself. 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. 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. Separate Database. And with a Tenant_ID column in every table, you'll also be able to apply row-level security if you're on SQL Server 2016 or the latest Azure SQL Database. There are many important advantages to isolating a tenant in a database. 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. Posted: August 11, 2012. Shared Database Shared Schema. Ask SQL Server Central One database or multiple? For discussion, they're usually broken into three categories. Shared database, shared schema. Should I use a single or multiple database setup for a multi-client application? This app will be used by 1000-5000 customers. When you're designing a multi-tenant database, you generally have three options: CloudExpo SaaS - Multi-Tenant Database Design Options. Tenant data is isolated. Featured on Meta Responding to the … It's not hard to imagine that these databases simply perform worse. There are several approaches to multi-tenant databases. The Overflow #43: Simulated keyboards. Shared Database Separate Schema. When you have a multi-tenant database, almost every table will have a tenant ID of some type, and these columns will be involved in almost every join operation. Ayende@Rahien blog Multi Tenancy - The Physical Data Model MSDN blogs Moving to Multi-Tenant Database Model Made Easy with SQL Azure Federations. One database per tenant. database-design - single - sql server multi tenant schema . I hope that helps and would love to have your thoughts about it. 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