CIS515 – CLASS #1 NOTES 1. Database – is a collection of related files (Tables) 2. File (Table) – is a collection of records (Rows) 3. Record (Rows) – is a collection of fields (Columns) 4. Field (Columns) – is a collection of characters (Bytes) 5. Character (Bytes) – is a collection of 8 bits 6. Bits – the smallest representation of data‚ it is either 1 (on voltage) or 0 (off voltage) Database File Table Record Rows Field Columns Character Bytes Bits
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STUDENT DATABASE MANAGEMENT SYSTEM A SWDLC is an abstract representation of gradual development and evolution of the software that undergoes a series of sequential or concurrent steps of the software development process .each of these steps results in the development of a s/w project which may be either a minor or major component of the s/w system in contribution to the completion of the system. Each step requires some input and produces some form of output which further becomes the input of the
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Samer Shaat IS 3100 T/TH- 5:00- 6:15 How Much is a Database Worth? 1) Many small business owners have found it financially advantageous to purchase their own building. As one owner remarked upon his retirement‚ “We did well with the business‚ but we made our real money by buying the building.” Explain why this might be so. There are three reasons why a small business owner might want to own the building in which they operate. First‚ the cost of moving around is expensive. Some small business
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Title: “Data Mining: The Mushroom Database” Author: Hemendra Pal Singh* In this review “Data Mining: The Mushroom Database” is focuses in the study of database or datasets of a mushroom. The purpose of the research is to broaden the preceding researches by administer new data sets of stylometry‚ keystroke capture‚ and mouse movement data through Weka. Weka stands for Waikato environment for knowledge analysis‚ and it is a popular suite of machine learning software written in Java‚ developed at
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Sports Day System Name: Chan Ying Wah Content: |Objective……………………........... |Pg.3-5 | |Analysis.……..…….……………….. |Pg.6-11 | |Design ……....…….……………….. |Pg.13-21 | |Implementation……………………..
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Database Management Systems Memo Name: School: DBM-380 Database Concepts Instructor: Date: Database Management Systems Memo CST is a small company doing business for over 30 years. CST provides rehab services with several locations in the Los Angeles Metro area. Due to the nature and size of the business‚ there currently is no need for a huge network infrastructure. CST has a ten user network with two non-networked computers at each of its sites. The financial software is a product
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Session 28 Safety Pharmacology Studies for Human Pharmaceuticals This guidance was developed to help protect clinical trial participants and patients receiving marketed products from potential adverse effects of pharmaceuticals‚ while avoiding unnecessary use of animals and other resources. This guidance provides a definition‚ general principles‚ and recommendations for safety pharmacology studies. Pharmacology studies have been performed worldwide for many years as part of the nonclinical
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a) Describe the user needs of the database and identify the functionality that they are expecting from a Relational Database Management System (RDMS). Due to Katrina and her two staff members now using databases to support their company which is the Mail Order Company‚ the database must be able to add new orders to the system with the correct information about the customer‚ the product and calculation of total order. The database will also need to be able to automatically calculate the total order
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Concurrency Control in Database Systems Key Points The purpose of concurrency control is to ensure that one user’s work does not inappropriately influence another user’s work. In some cases‚ these measures ensure that a user gets the same result when processing with other users as that person would have received if processing alone. In other cases‚ it means that the user’s work is influenced by other users but in an anticipated way. When many transactions take place at the same time‚ they are
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functionalities. The tour operator seeks a database management specialist to assist them in leveraging their data sources to enable them to forecast and project tour sales appropriately. Imagine that you have been hired to fulfill their need of enhancing the data repository for their current reservation processing system. Upon reviewing the system‚ you find that the data structure holds redundant data and that this structure lacks normalization. The database has the following characteristics:
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