ISYS104 Tutorial – week 7 Review Questions 1. What are the problems of managing data resources in a traditional file environment and how are they solved by a database management system? List and describe each of the components in the data hierarchy. Figure 6–1 shows the data hierarchy. The data hierarchy includes bits‚ bytes‚ fields‚ records‚ files‚ and databases. Data are organized in a hierarchy that starts with the bit‚ which is represented by either a 0 (off) or a 1 (on)
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Course Design Guide DBM/380 Version 9 1 Syllabus College of Information Systems & Technology DBM/380 Version 9 Database Concepts Copyright © 2012‚ 2010‚ 2008‚ 2007‚ 2006‚ 2005‚ 2003 by University of Phoenix. All rights reserved. Course Description This course covers database concepts. Topics include data analysis‚ the principal data models with emphasis on the relational model‚ entity-relationship diagrams‚ database design‚ normalization‚ and database administration. Policies Faculty and
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MIS Concepts & Design by Seema Sirpal Delhi University Computer Centre Information is Critical The information we have is not what we want‚ The information we want is not the information we need‚ The information we need is not available. Information is a Resource It is scarce It has a cost It has alternative uses There is an opportunity cost factor involved if one does not process information Why need Information? To ensure effective and efficient decision - making leading to
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implementing the internal audit service. These are the following: DBM Budget Circular No. 2004-4 Guidelines on the Organization and Staffing of Internal Audit Units (IAUs) issued on March 22‚ 2004; CSC Memorandum Circular No. 12 Qualification Standards for Internal Audit Service (IAS) Positions issued on June 22‚ 2006; DBM Circular Letter No. 2008-8 National Guidelines in Internal Control Systems (NGICS) issued on October 23‚ 2008; and DBM Circular Letter
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Family Name First Name ………………................ …………………………. Student Number ……………………….. List Number Table Number ………………………… …………………………. COM 110 Introduction to Business Information systems Prof. Mohamed Watfa AUTUMN SESSION 2010 SAMPLE MIDTERM EXAMINATION Time Allowed: 1.5 Hours Total Number of Questions: 25 Total Number of Pages (incl. this page): 9 DIRECTIONS TO CANDIDATES 1. 2. Total marks: 100 Answer ALL questions from parts 1 and 2. Part 1 contains 20 questions for a total
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DRAFT BUDGET MONITORING SYSTEM By: Gilbert C. Morong‚ DepED Budget Division This system was developed using Microsoft Access. It runs on computers with Microsoft Office installed. This small application will help the implementing units‚ especially‚ those financial staffs assigned in the preparation of various reports as being required by the oversight agencies. It’s easy to monitor balances of allotments by program/project/activity. The output data that can be generated by the system conformed with
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8) If the table PRODUCT has a column PRICE‚ and PRICE has the data type Numeric (8‚2)‚ the value 98765 stored in that field will be displayed by the DBMS as 98765.00. Answer: FALSE Diff: 3 Page Ref: 289 Fig 7-4 9) If the table ITEM has a column WEIGHT‚ and WEIGHT has the data type Numeric (7‚2)‚ the value 4321 with be displayed by the DBMS as 43.21. Answer: TRUE Diff: 2 Page Ref: 289 Fig 7-4 10) The SQL keyword CHECK is used to limit column values to specific values. Answer: TRUE
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that has to offer their express versions of their database. The three major trends are SQL Express‚ Oracle Express‚ and DB2 Express. With these DBMS (Database Management System) Microsoft SQL Server‚ Oracle‚ and DB2 are the most popular of the major DBMS’s. They each have separate design tools and server applications that must be installed. The three DBMS are all very similar in tools and functionality. Their biggest difference lie in the syntax of their SQL‚ which means they are not really listed
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automated computer application. I will concentrate on the need for a Database Management System (DBMS). I feel that by utilizing a database management system it will alleviate all of the unnecessary traveling that Mr. Morgan currently does. Mr. Morgan is in charge of all of the day to day business‚ as well as the payroll‚ and recruiting for the company and all of its stores. The main functions of a DBMS are to create the database‚ insert‚ read‚ update‚ and delete database data‚ maintain data integrity
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ways would a DBMS help this organization? Ease in generating reports staff using declarative query facilities of SQL Centralized data sharing. Database will store information in one centralized repository and allow users from different departments to access information. Data integrity and control of data redundancy. By storing the data in a centralized DBMS‚ there is less data redundancy‚ and hence less chance for data inconsistency among offices. Lesser maintenance cost. Using DBMS‚ DreamHome won’t
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