SQL alone is just a query language. the MySQL design docs Snowden shared were primitive installations that did not meet the claimed capability of their surveillance system.
There's this weird dichotomy where people think the folks that work in government are either evil geniuses or drooling cavemen. They are neither. I assure you that the NSA (with unlimited funding) is capable of running a MySQL cluster to index email and keep it up, most of the time anyway.
Also, Snowden didn't build the query system, he just used it. He built a document gathering system, which I described in my other response. These are different services.
There's this weird dichotomy where people think the folks that work in government are either evil geniuses or drooling cavemen. They are neither. I assure you that the NSA (with unlimited funding) is capable of running a MySQL cluster to index email and keep it up, most of the time anyway.
Also, Snowden didn't build the query system, he just used it. He built a document gathering system, which I described in my other response. These are different services.