subqueries and joins‚ Selected Answer: a join can sometimes be used as an alternative to a subquery‚ and a subquery can sometimes be used as an alternative to a join. Question 3 5 of 5 points When making an SQL query‚ we are using SQL as a(n) ________. Selected Answer: DML Question 4 0 of 5 points Every subquery can be alternatively expressed by a join. Selected Answer: False Question 5 5 of 5 points The clause SELECT COUNT
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Introduction……………………………………………………..……...P.2 2) Identify Software Categories 1. Definition of System Software………………………………….P.3-4 2. Definition of Application Software………………………….….P.5 3. The difference between system software and application software………………………………………..P.6-7 3) Two examples of system software and the benefits 1. Microsoft Windows 7……………………………………………P.8-12 2. Mac OSX…………………………………………………………P.13-14 4) Two examples of application software and the benefits 1. Excel……………………………………………………………
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open-source relational database management system (RDBMS) that runs as a server providing multi-user access to a number of databases‚ though SQLite probably has more total embedded deployments. It is named after co-founder Michael Widenius’s daughter‚ My. The SQL phrase stands for Structured Query Language. MySQL is a popular choice of database for use in web applications‚ and is a central component of the widely used LAMP open source web application software stack (and other “AMP’’ stacks). LAMP
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Q1.What are the main types of software? What are the advantages of open-source software? Describe the decision making process of acquiring application software. Q2.“In the end‚ information system is recognized only as a foundation for human judgment‚ insight and inventiveness”. Discuss. What are different types of controls and audits required for an information system? Q3.What is computerized maintenance management? Explain the conceptual model through which the maintenance function can achieve
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DISTRIBUTED DATABASE MANAGEMENT SYSTEM A distributed Database Management System (DDBMS) is a database in which storage devices are not all attached to a common processing unit such as the CPU. It may be stored in multiple computers‚ located in the same physical location; or may be dispersed over a network of interconnected computers. Unlike parallel systems‚ in which the processors are tightly coupled and constitute a single database system‚ a distributed database system consists of loosely coupled
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time it work need to provide high levels of pressure‚ sofor any part of the machine.Must choose the most suitable‚ gear must be selected in accordance with the appropriate type‚ the correct specifications to meet certain strength‚ Heat balance and other conditions‚ so as to ensure the normal work. In the grinding room of the high-pressure Powder Grinding Mill‚ the grinding roll assembly hangs on the grinding roll cradle through the hanger shaft‚ the grinding roll cradle‚ the main shaft and the blade
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The computer has changed society today as much as the industrial revolution changed society in the 18th and 19th centuries. People interact directly with computers in fields such as: 1) Education - Teachers and students have been using computers in education for many years. Teachers have been taking advantage of advances in computer technology to help provide a better educational experience for their students. 2) Government (Malaysia)- Security - A security threat can exist anywhere‚ and it
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done without a computer‚ but upon a closer look‚ you will find that it is the hardware components and input and output devices that make a computer useful. What is it that determines the speed at which a computer can find a file? How do you get a report from your PC to the members of your next Board meeting? It is the hardware that is used with your computer that allows you to accomplish all of your business needs using your computer. Data input is the collection of raw data that is used to find
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Hefty Hardware Case Study Issues in Case Study IT department employers have lack of knowledge what is going on in business section of the company. Cheryl O’Shea‚ VP of retail marketing‚ said that IT staff always talks in a way that is not understandable to her‚ mostly in technical words. She assumes that they do not know what to do with Savvy Store program. She needs IT’s help to improve the customer experience. However‚ IT workers continue talking about the technology staff and issues which are
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Hal’s Hardware‚ Inc. Proposed Electronic Commerce SWOT Analysis Strengths • Ease of transactions • Make products more accessible to consumers who are not located near an HHI store. • Make products more visible to consumers and enable HHI to do online advertising. The proposed e-commerce website may make it easier for customers to buy products online. Since Hal intends on adding an online shopping feature to his existing website‚ this may be more convenient for many
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