Licensing terms - production use is prohibited.

>>>>And BTW you can have SQL Server Developer edition instead of Express one.
>>>
>>>First, thank you for the reply.
>>>I understand the SQL Server Developer is not free (unlike SQL Express). Am I wrong? And what are the differences between the two versions?
>>
>>It is free.
>>Developer edition is Enterprise edition so you can test everything.
>
>I found a MS page describing different editions of the SQL Server. But it does not have any limitations (in size, for example) of the Developer edition. If there is no limitation and it is the same as the Enterprise edition, why would companies buy instead of getting it free?!