## Conclusion

TiDB intuitively supports SaaS applications. TiDB is widely welcomed by many SaaS companies.

With TiDB, thousands, or even millions, of schemas and tables can be created rapidly, without impacting the performance. The metadata creation and seed data population is extremely fast in TiDB; TiDB's SQL Plan Management (SPM) could be used to guarantee a stable and the optimal query plan is always used across multiple schemas; TiDB's Resource Control feature can isolate resource usages, so that you can better support premium customers by always giving them higher priorities. There will be no more "noisy neighbours"; Finally, TiDB also supports online schema change. For example, the DDL operation is not blocked by the ongoing DML. Therefore, your SaaS business is always online.