July 2012
Intermediate to advanced
816 pages
27h 38m
English
Content preview from Programming Microsoft® SQL Server® 2012Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Security
Depending on the deployment method, you have numerous ways to specify what security level to grant a CLR assembly. All of them demand that you specify one of three permission sets:
Safe Assembly can perform local data access and computational tasks only.
External_Access Assembly can perform local data access and computational tasks and also access the network, the file system, the registry, and environment variables. Although External_Access is less restrictive than Safe, it still safeguards server stability.
Unsafe Assembly has unrestricted permissions and can even call unmanaged code. This setting can significantly compromise SQL Server security; only members of the sysadmin role can create (load) unsafe assemblies. Also note the TRUSTWORTHY ...
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