FILE OPERATIONS File can be thought of as “logical” or a “physical” entity. File as a logical entity: a sequence of records. Records are either fixed size or variable size. A file as a physical entity: a sequence of fixed size blocks (on the disk)‚ but not necessarily physically contiguous (the blocks could be dispersed). Blocks in a file are either physically contiguous or not‚ but the following is generally simple to do (for the file system): »Find the first block »Find the last block »Find
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Anthropometry data that occurs almost every year become one of the considerations to have a better system to store data or document it. This research aims to develop and create an application program that can be used to store‚ provide‚ and present a database of anthropometry for various age groups‚ gender‚ and ethnic groups. This application program is also made for the data processing that able to perform calculation for descriptive statistics‚ such as mean‚ standar deviation‚ and percentile data and
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First Fleet Convict Database Answer the following questions! 1. Check to see if any convicts with your surname were transported on the first fleet. A - None of my family was. 2. What did Joshua Taylor steal that saw him sentenced to transportation? A - for stealing a handkerchief. 3. How old was Elizabeth Beckford when she was transported? A – 70 4. What was unusual about John McIntire? A – That he was allowed to carry a gun. 5. What was Martha Kennedy do for a living before being transported
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MMIS 630 Database Systems – Final Exam 1. What are the issues in the normalization vs. performance trade-off? Discuss. Your essay should (1) define and describe the characteristics of normalization‚ (2) define and describe the characteristics of performance‚ and (3) define and describe what is meant by “performance trade-off”‚ (4) summarize your essay with recommendations and/or guidelines regarding use of normalization in database design. ANS: When we take a close look in designing
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donated their time to create a dozen Web sites and database applications for local charities. The APNC has a service program in which volunteers canvas the entire neighborhood every spring. They survey residents on numerous community health and well-being measures and then work to connect people with available services. The APNC needed a way to collect these surveys while out in the neighborhood and then synchronize the data back to the SQL Server database. This type of scenario occurs at many businesses
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Benefits of a Database & Information Gathering Techniques Ian Keller Strayer University Introduction to Relational Database Management Systems CIS 111 Professor Jonathan C. Thrall April 26th‚ 2012 Databases are very important to every person in the world today. Whatever you do in you daily routine you are bound to come in contact with some form of database and our world has become so dependent on it that most people won’t even realize the importance of databases. A database is a bunch
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Database and File Intrusion Detection System Sayali Pradeep Joshi‚ Mihir Thuse‚ Snehal Bhongale‚ Pranav Paranjpe Dept. of Computer Engineering Marathwada Mitra Mandal’s College of Engineering Pune 411052‚ India jsayali92@gmail.com‚ mihir.thuse@gmail.com‚ snehalbhongale@gmail.com‚ pranav707@gmail.com Abstract— The need for secure data storage has become a necessity of our time. Medical records‚ financial records‚ and legal information are all in need of secure storage. In the era of globalization
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does the Oracle database have? Correct 2. Which of the following components comprise an oracle architecture? Correct 3. A _______________ is used to logically group data together Correct 4. Oracle automatically creates the SYSTEM tablespace Correct 5. A _____________ is a set of tables physically stored together as one table that shares a common column Correct 6. What is the use of an index? Correct 7. Which is the smallest unit of storage in an Oracle database? Correct 8
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DBS201 Assignment 2 Due Friday‚ April 04th by midnight 10% of final mark Your group must consist of 2 or 3 people You will develop a logical database design for the following description shown later (Page 3 etc). Submissions done by a single person will receive a 20% penalty. Required for submission: One: (60 marks) Printed 3NF solution for each user view in this assignment
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SQL Accounting Database for Kudler Fine Foods Mark Black Introduction Kudler Fine Foods wants to convert the Chart of Accounts sheet in Excel to an SQL database. In order to do so‚ it is important to format the excel data in proper SQL tables. Normalization plays an important part in placing data fields in proper tables. It is also essential to import data from excel to SQL directly to avoid time wastage. The following report shall detail the creation of SQL database‚ tables and insertion of
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