FILE ORGANIZATION TERMS AND CONCEPTS THE DATA HIERARCHY A computer system organizes data in a hierarchy that starts with bits and bytes and progresses to fields, records, files, and databases * A bit represents the smallest unit of data a computer can handle * A group of bits, called a byte, represents a single character, which can be a letter, a number, or another symbol (A,2?,S) * A grouping of characters into a word, a group of words, or a complete number (such as a person’s
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Chapter 8 Security and Access Controls – A Conceptual Overview • Have an understanding of how users access accounting data and what access controls should be in place to protect this data from unauthorized access (i.e., be able to explain using two to four sentences how users can access accounting data and using two to four sentences to describe how to control this access, see the slide titled “Security and Access Controls – A Conceptual Overview”). Operating Systems Controls • What are the four
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Sent, 02/17/2015 8:00 AM From: Perry Seibles To: Jason Smith Cc: Madison Akers Subject: Object Relation vs Standard Relational Systems Hello Jason, this email is in regards to your information request on object relational and standard relational systems. First, to better understand either of these systems one must understand how the data models have evolved and how they have become an important part of everyday business. There will always be a need to improve the way data is managed. Since
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LESSON 8: DATABASE SECURITY 8.0 LEARNING OBJECTIVES AND OUTCOMES Following are the security-related tasks which you as database administrator should be familiar with: • Ensuring secure database installation and configuration. • Managing the security aspects of user accounts: creating and assigning roles, developing secure password policies, restricting data access to only the appropriate users, and so on • Ensuring secure network connections • Encrypting and decrypting sensitive data • Ensuring
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Head: DIFFERENCE BETWEEN DATABASE AND DATA WAREHOUSE 1 Database vs Data Warehouse Patricta Eric Doller Prudue University Relation Database Management Systems Bob Estein March 14, 2015 DIFFERENCES BETWEEN DATABASE AND DATA WAREHOUSE Relational database versus a data warehouse Businesses use new technology in many aspect of running everyday duties, like record keeping. To keep these records organized, companies have separate database and data warehouses. A database is used for a single application
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Lab 9 Databases This lab applies to the following course objectives: * Create a database applying appropriate design and development techniques. Part 1: Using Database Management Systems 1. To access this lab log into CourseMate and open the NP2013 eBook 2. Click the > icon next to “Select Chapter” repeatedly until Chapter 11 appears in the orange heading 3. In the right panel window, Click the word “here” in the “Click here to open the eBook” 4. Click the ARROW icon
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brief overview of the system to be implemented, including a description of the system and its organization. 1 System Description This section provides an overview of the processes the system is intended to support. If the system is a database or an information system, provide a general discussion of the description of the type of data maintained and the operational sources and uses of those data. 2 System Organization This section provides a brief description of system structure
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Joining Tables Day 7 Subqueries: The Embedded SELECT Statement Week 1 in Review Week 2 at a Glance Day 8 Manipulating Data Day 9 Creating and Maintaining Tables Day 10 Creating Views and Indexes Day 11 Controlling Transactions Day 12 Database Security Day 13 Advanced SQL Topics Day 14 Dynamic Uses of SQL Week 2 in Review Week 3 at a Glance Day 15 Streamlining SQL Statements for Improved Performance Day 16 Using Views to Retrieve Useful Information from the Data Dictionary Day 17 Using
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Database and database components Database management system Database models Database languages Database warehouse Database dictionary and indexing Databases A database is a collection of information that is organized so that it can easily be accessed, managed, and updated. In one view, databases can be classified according to types of content: bibliographic قائمة مراجع, full-text, numeric, and images. Database components Tables, Columns and Rows These three items form the building blocks
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Security Threats Vulnerability can be defined as “a security exposure that results from a product weakness that the product developer did not intend to introduce and should fix once it is discovered” (Microsoft TechNet, 2014). There are possibility that the two databases could have vulnerabilities such as a weakness in the technology, configuration or security policies. The vulnerabilities can lead to potential risks in the personnel records systems. Security risks can be described as actions
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