Welcome

Passionately curious about Data, Databases and Systems Complexity. Data is ubiquitous, the database universe is dichotomous (structured and unstructured), expanding and complex. Find my Database Research at SQLToolkit.co.uk

"The important thing is not to stop questioning. Curiosity has its own reason for existing" Einstein



Sunday, 6 December 2015

SQL Server in the Cloud Options



There are many SQL Server choices available to us as database architects. This diagram shows the Microsoft database stack available choices and the business drivers that affect the choice of cost versus administrative overhead.




An article SQL Server in Azure: Compare PaaS (SQLDB) andIaaS (Virtual Machine)
explains in more depth about the cloud options of SQL Server in Azure (IaaS) and Azure SQL Database. Igor Pagliai included this useful table.



Topic
Azure
  SQLDB (PaaS)
SQL
  Server VM (IaaS)
Features Less features than box Full box product features

Performances Max 1750 DTU in Premium Tier Depends on VM SKU/Storage

DB Size Max 1TB in Premium Tier (P11) 64TB on G-SERIES
Workload Sizing by average usage Sizing based on peaks
High-Availability Built-in by platform   

Manual configuration by AlwaysOn AG
Fault-Handling Necessary fault-handling &
  retry
Recommended fault-handling &
  retry
Locality No co-location with application Co-located by VMs and VNETs
Segregation Internet exposed endpoint

Internal private endpoint

Versioning No control on upgrades 

Full control over DB upgrade
TCO Very low, almost self-managed     High (as on-premise)    

Administration No full-time DBA required       Full staffed DBA required

Management Easy to manage many DBs

Complex to manage many DBs/VMs
Scale-Out Tools & Frameworks available No easy scale-out       

Configuration No setup customization 

Full access to OS and SQL

Authentication Only SQL standard authentication SQL standard and integrated

Security No Fixed IP available  

Fixed IP possible at VM level
Backup Backup files not accessible Full control of backup files

No comments:

Post a Comment

Note: only a member of this blog may post a comment.