Flexible Servers
- Flexible servers have a option to setup HA by creating a standby server in other zone

- Flexible Servers in both mysql and postgres support HA for General Purpose and Business Critical Pricing models.
- High Availability will create a Standby instance with a Automatic Failover configured.

- Features are
- High Availability
- Replications
- Backups (Automatic)
- Server Parameters help in setting engine parameters
Non Relational Databases in Azure
- Cosmos DB

- Cache Database

