Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 1, Problem 8P
Program Plan Intro
Data redundancy:
- Data redundancy is the presence of repeated data in the storage device. It consists of duplicate data that is additional to the actual data.
- In this, the data related to a folder can be seen in other folders also. For example, file related to science folder can be seen in mathematics or social.
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Chapter 1 Solutions
Database Systems: Design, Implementation, & Management
Ch. 1 - Prob. 1RQCh. 1 - Prob. 2RQCh. 1 - Prob. 3RQCh. 1 - Prob. 4RQCh. 1 - Prob. 5RQCh. 1 - Prob. 6RQCh. 1 - Prob. 7RQCh. 1 - Prob. 8RQCh. 1 - Prob. 9RQCh. 1 - Prob. 10RQ
Ch. 1 - Prob. 11RQCh. 1 - Prob. 12RQCh. 1 - Prob. 13RQCh. 1 - What are some basic database functions that a...Ch. 1 - Prob. 15RQCh. 1 - Prob. 16RQCh. 1 - Prob. 17RQCh. 1 - Prob. 1PCh. 1 - Prob. 3PCh. 1 - Prob. 4PCh. 1 - Prob. 5PCh. 1 - Prob. 6PCh. 1 - Prob. 7PCh. 1 - Prob. 8PCh. 1 - Prob. 9PCh. 1 - Prob. 10PCh. 1 - Using your schools student information system,...
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- Inserting data into a flat-file database is very straightforward and usually amounts to simply tacking the new data onto the end of the data file. For example, inserting a new megalith record into a colon-arrow_forwardApart from immutability, what other extended file attributes are there?arrow_forwardA primary index is created on a a) non-key, non-ordering attribute of a file b) non-key, ordering attribute of a file c) key, non-ordering attribute of a file d) key, ordering attribute of a filearrow_forward
- A unique secondary index is created on a a) non-key, non-ordering attribute of a file b) non-key, ordering attribute of a file c) key, non-ordering attribute of a file d) key, ordering attribute of a filearrow_forwardanswer question in photo plsarrow_forwardThe following record structure describes a movie file: the title of the film, the director's style, and the budget Assume that the file's primary key is the title of the film. The field type describes the genre of the film, such as drama, science fiction, horror, crime thriller, comedy, etc. Enter a sample set of records into the movie file of your choosing.i) Create a primary ISAM file organisation system based on indexes.ii) Put in place supplementary indexes for the director, type, and cost of production.iii) How may Programming Assignment 3's secondary index-based file organisation be utilised to respond to a question like "Which directors have overseen comedies or dramas that have incurred the highest production costs?arrow_forward
- What is a file system's free space map? A file system's free space map is a metadata structure that points to data blocks containing a file's contents. A file system's free space map is a metadata structure that tracks file access times. A file system's free space map is a data structure that tracks which blocks are in use and which are free on a storage device. A file system's free space map is a data structure that contains information about a file's ownership and permissions.arrow_forwardGive the benefits of employing pointers in file organization over sequential file structure.arrow_forwardWhat does "file handling" really include, and why is it even necessary to use its services in the first place? Please include as much information as you can about.arrow_forward
- What would be the advantages of this file organization compared with a sequential file organization?arrow_forward*C programming Write a ccdel program that takes an item number as a command line argument and deletes that item from the database. All other items should remain in their current positions with their current item numbers. Include proper file locking.arrow_forwardThe optimum file arrangement in which all data records must be processed in a file namedarrow_forward
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