Merge branch 'master' of https://github.com/ktaranov/sqlserver-kit

Author: ktaranov

README.md

@@ -324,6 +324,10 @@ Useful links, scripts, tools and best practice for Microsoft SQL Server Database
  - [Docs Overview SQL Tools](https://docs.microsoft.com/en-us/sql/tools/overview-sql-tools)
  - [SQL ConstantCare®: clear, personal advice for your SQL Server](https://www.brentozar.com/sql-constantcare/) (by Brent Ozar)
  - [The SQL Server Execution Plan Reference](https://sqlserverfast.com/epr/) (by Hugo Kornelis)
+ - [EC2 Instance Calculator](https://ec2instances.info/)
+ - [Azure Instance Calculator](http://www.azureinstances.info/)
+ - [PowerBI Premium Calculator](https://powerbi.microsoft.com/en-us/calculator/)
+ - [Nuodb Oracle and SQL Server Calculator ](https://www.nuodb.com/product/license-cost-calculator)
 
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