We have a few questions about SQL Server license requirements in Dev/Testing/Staging environments, I understand we better confirm with MS but so far have not got hold of anyone of MS Rep, appreciate if someone can shed some light on this?

1. If we buy SQL Server Developer Edition license for every developer, can we install SQL Server Enterprise/Standard version for Dev/Test/Staging purpose? or we only allow to install Developer edition?

2. Does tester need to have SQL Server Developer License to do function and performance testing?

3. If we buy a few MSDN subsciption for some developers, also buy SQL Server Developer Edition license for rest of our developers.  Then can we install SQL Server Enterprise/Standard version for every developer? or can we install Developer version for every developer?

4. Is there any organization level license so we don't need to buy MSDN Subscription or Developer Edition license for every developer/tester on per user basis?

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