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Databases Illuminated, 4th Edition
book

Databases Illuminated, 4th Edition

by Catherine M. Ricardo, Susan D. Urban, Karen C. Davis
March 2022
Intermediate to advanced
682 pages
22h 58m
English
Jones & Bartlett Learning
Content preview from Databases Illuminated, 4th Edition

8.3 Database Access Control

Database access control is the process of making sure that data or other resources are accessed only in authorized ways. In planning access, the DBA might use an access control matrix for the database, as shown in FIGURE 8.1. This example uses the the University database with schema

A listing of the schema of the University database. Line 1. Student, open parentheses, s t u I d, comma, last Name, comma, first Name, comma, major, comma, credits, close parentheses. The variable s t u I d is underlined. Line 2. Faculty, open parentheses, f a c I d, comma, name, comma, department, comma, rank, close parentheses. The variable f a c I d is underlined. Line 3. Class, open parentheses, class Number, comma, f a c I d, comma, schedule, comma, room, close parentheses. The variables class Number, and f a c I d are underlined. Line 4. Enroll, open parentheses, s t u I d, comma, class Number, comma, grade, close parentheses. The variables s t u I d and class Number are underlined.
A table with 7 columns. The headings from left to right are, SUBJECT, Student Table, S t u View 1, Wrap Up Procedure, Faculty Table, Enroll Table, and Create Table. The row entries are as follows. Row 1. SUBJECT: User U 101. Student Table: READ, comma, UPDATE. S t u View 1: READ. Wrap Up Procedure: EXECUTE. Faculty Table: READ. Enroll Table: blank. Create Table: YES. Row 2. SUBJECT: User U 102. Student Table: blank. S t u View 1: READ. Wrap Up Procedure: blank. Faculty Table: blank. Enroll Table: blank. Create Table: NO. Row 3. SUBJECT: Advisor Role. Student Table: READ. S t u View 1: READ. Wrap Up Procedure: blank. Faculty Table: . Enroll Table: READ, comma, INSERT, comma, UPDATE, comma, DELETE. Create Table: NO. Row 4. SUBJECT: dot, dot, dot. Student Table: dot, dot, dot. S t u View 1: dot, dot, dot. Wrap Up Procedure: dot, dot, dot. Faculty Table: dot, dot, dot. Enroll Table: dot, dot, dot. Create Table: dot, dot, dot

FIGURE 8.1 Access Control Matrix

The column headings represent database objects, which may be the names of tables, views, data items, objects, modules, or other categories, depending on the database model and management system used. ...

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Publisher Resources

ISBN: 9781284231595