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Sams Teach Yourself SQL in 21 Days, Fourth Edition
book

Sams Teach Yourself SQL in 21 Days, Fourth Edition

by Ryan K. Stephens, Ronald R. Plew
October 2002
Beginner
864 pages
18h 41m
English
Sams
Content preview from Sams Teach Yourself SQL in 21 Days, Fourth Edition

Exploring the CREATE ROLE Statement

The SQL3 standard has adopted roles as a smarter way of managing many users and their privileges. (The CREATE ROLE statement was also discussed in Day 17, “Database Security.”) The documentation in today's lesson concentrates specifically on the introduction of these new objects to the SQL3 standard.

A role is a single element (object) that contains group-like privileges. It offers many benefits to managing security, including the following:

  • It can reduce security maintenance by not having to grant explicit privileges directly to a user.

  • Group privilege management is easier to change. A role's privileges can be changed, and such a change is transparent to the user.

  • It allows for dynamic role granting. If a user ...

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Publisher Resources

ISBN: 0672324512Purchase book