September 2007
Intermediate to advanced
448 pages
13h 52m
English
book
Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
by Kalen Delaney, Sunil Agarwal, Craig Freedman, Ron Talmage, Adam Machanic
Content preview from Inside Microsoft® SQL Server™ 2005: Query Tuning and Optimization
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Security and Permissions
Tracing can expose a lot of information about not only the state of the server, but also the data sent to and returned from the database engine by users. The ability to monitor individual queries down to the batch or even query plan level is at once both powerful and worrisome; even exposure of stored procedure input arguments can give an attacker a lot of information about the data in your database.
In order to protect SQL Trace from users that should not be able to view the data it exposes, previous versions of SQL Server allowed only administrative users (members of the sysadmin fixed server role) access to start traces. That restriction proved a bit too inflexible for many development teams, and as a result it has ...
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