Database Systems: Design, Implementation, Management, Loose-leaf Version
12th Edition
ISBN: 9781305866799
Author: Coronel, Carlos; Morris, Steven
Publisher: Course Technology
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Chapter 1, Problem 3P
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Alternatives of the file structure to produce a list with required file contents:
- • With division of the data to smaller components will result in greater flexibility in search.
- • For example, “MANAGER_ADDRESS” decomposed to components like “MGR_STREET”, “MGR_CITY” and “MGR_STATE” results in efficient outputs...
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If you wanted to proceed a listing of the file contents by last name ,area code, city,or zip code how would you alter the file structure
file / directory attribute contains the date of modification performed.
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?
Chapter 1 Solutions
Database Systems: Design, Implementation, Management, Loose-leaf Version
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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- Write a program in JAVA to Create a table in a separate file should add an attribute to the table data in the file should insert data into table data filearrow_forwardLab Objectives To use functions that reads and writes from/to a file Problem 1 A database file contains binary data (Check the sample data at the end of this document). The file contains a number of records, each record is stored as a "struct". struct employee { . } The struct is written to the file using fwrite. The sample data contains one record with the following values. 123456, John Smith, 70 main St. Toronto, ON M3M 3M3, 9, 73123.45 Write a C program that performs the following The file name is lab6_1.c The file takes command line parameters (argc and argv) If the command line arguments "-ID" followed by an integer, look for an employee with that ID in the file. If that ID exists, print the name on a line by itself. If There is no such ID print "No such employee" on a line by itself. . int Employee_ID; char name [20]; // Employee name first name then last name char address [50]; //The employee address might contains spaces //Both name and address are terminated by //a null…arrow_forwardpython - Write the syntax for obtaining the index where X == 0.arrow_forward
- I have to create a database using python to show geographical points. Create a program the will create your database and insert at least five points. Use your own data, something like: 100, 200, 123, Main Campus 120, 133, 142, Montoya 153, 123, 322, Rio Rancho 133, 123, 143, STEMULUS Center 153, 142, 122, ATC Run your initialization code to create the database.arrow_forwardCreate a data file in Python using open, write and close functions. Your data file should contain your personal information: Complete name, student number, date of birth, and complete address help me here complete name: cloe jake gonzales student number: 12-1485 date of birth: january 12 1982 complete add: anastasia,1485 sokor, UAEarrow_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
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