Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The file inform has a numerical permission of 754. Consider the following questions:
- A) Who has what permissions?
User:
Group:
Other:
B) Who can change the permissions of the file?
C) Who can change the contents of the file?
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- What precisely is the issue statement, and what exactly is the function of the program that checks the integrity of files?arrow_forwardFor what purpose is the application used to verify file integrity, and what is the problem description?arrow_forwardWhich NTFS feature allows you to link an empty folder in one volume to another volume? a) Volume mount points O b) Linked Volumes Symbolic links d) EFS e) Data quotas f) Empty Volumesarrow_forward
- Which kind of access control restricts a user's access to the specific data that is necessary for that user to carry out the tasks that have been delegated to them?arrow_forwardThe permission associated with a program called Program1 and a dataset called Data1 are as follows:Program1: 755Data1: 742State the permissions given in bits to the owner, the group and the others.arrow_forwardEach entry in the system-wide open file table can have more than one file descriptor associated with it. True Falsearrow_forward
- An example of a data type for a data field in the record of an Access table is "Number." True Falsearrow_forwardHow much access do users get when they have the Protected Access specifier enabled?arrow_forward1. If a user has only read authorization for the database, can he modify the data in the database? 2. If a user has only read authorization for the database, can he retrieve data from the database?arrow_forward
- How many records does the file contain? How many fields are there per record? What problem would you encounter if you wanted to produce a listing by city? How would you solve this problem by altering the file structure? If you wanted to produce a listing of the file contents by last name, area code, city, state, or zip code, how would you alter the file structure? What data redundancies do you detect? How could those redundancies lead to different types of anomalies?arrow_forwardWhat precisely is the issue statement, and what exactly is the function of the program that checks the integrity of files?arrow_forward
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