best alternative in the following: Q.1 In the relational modes‚ cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (C) Data definition language. Ans: B Q.3 The view of total database content is (A) Conceptual view. (C) External view. Ans: A Q.4 Cartesian product in relational algebra is (A) a Unary operator. (B) a Binary operator. (C) a Ternary operator. (D) not defined
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Capturing a Reference Image Exercise 4.2 | Creating an Answer File | Overview | In Exercise 4.2‚ you use the Windows System Image Manager to create an answer file that partitions a computer’s disk during the Windows 7 installation procedure. | Completion time | 15 minutes | Question 1 | What will the properties you have just configured do when you include them in an answer file that you use to install Windows 7? With the properties that I just configured when included in the answer file ‚
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Solved Exercise from Sumita Arora STRUCTURED QUERY LANGUAGE TYPE A : VERY SHORT ANSWER QUESTIONS What is SQL? What are the various subdivisions of SQL? SQL means Structured Query Language. It is the set of commands that is recognized by all RDBMS. Data Definition Language (DDL) Data Manipulation Language (DML) Data Control Language (DCL) Give examples of some DDL commands and some DML commands. DDL Commands 1) CREATE 2) ALTER 3) DROP DML Commands 1) INSERT INTO 2) DELETE 3) UPDATE What is the
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Manipulation and society To understand and analyse manipulative discourse‚ it is crucial to first examine its social environment. We have already assumed that one of the characteristics of manipulation‚ for instance as distinct from persuasion‚ is that it involves power and domination. An analysis of this power dimension involves an account of the kind of control that some social actors or groups exercise over others (Clegg‚ 1975; Luke‚ 1989; Van Dijk‚ 1989: Wartenberg‚ 1990). We also have assumed
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Linux Commands pwd Print Working Directory (shell builtin) Syntax pwd [-LP] Options -P : The pathname printed will not contain symbolic links. -L : The pathname printed may contain symbolic links The default action is to show the current folder as an absolute path. All components of the path will be actual folder names - none will be symbolic links. ls List information about files. Syntax ls [Options]... [File]... Key Sort entries alphabetically if none of -cftuSUX nor --sort. -a
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Ethnographic showcases are a way of collecting and displaying the world "for amusement and edification" (Corbey‚ 342). Human beings were actually being collected and were "presented as ’different’ and forced to behave that way" (Corbey‚ 344). These people who were put on show were wrongfully taken out of their homes and moved into a place where they were seen as savages. The viewers were practicing ethnocentrism‚ probably unknowingly‚ by being centered around their own ethnicity and culture and thinking
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false beliefs. Jean McGuire’s selling techniques did not include withholding information instead she gave false information to the prospective buyer. Maybe buyers need a little push to entice and increase their motivation‚ but the use of psychological manipulation is incorrect. Most people want what that can not have or want something that is no longer available and this technique
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1. SELECT PARTNUMB‚ PARTDESC FROM PART Query1 | PARTNUMB | PARTDESC | AX12 | IRON | CX11 | MIXER | WHERE UNONHAND BETWEEN 100 AND 200 2. SELECT PARTNUMB‚ PARTDESC‚ (UNITPRCE*UNONHAND) ONHANDVALUE FROM PART WHERE VALUE >= 1000 Query1 | PARTNUMB | PARTDESC | ONHANDVALUE | AX12 | IRON | $1‚866.80 | BH22 | TOASTER | $3‚320.25 | BT04 | STOVE | $4‚432.89 | BZ66 | WASHER | $16‚221.40 | CB03 | BIKE | $8‚250.00 | CX11 | MIXER | $6‚490.40 | CZ81 | WEIGHTS | $22‚669.92
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Use of Data Mining in Fraud Detection Focus on ACL Hofstra University Abstract This paper explore how business data mining software are used in fraud detection. In the paper‚ we discuss the fraud‚ fraud types and cost of fraud. In order to reduce the cost of fraud‚ companies can use data mining to detect the fraud. There are two methods: focus on all transaction data and focus on particular risks. There are several data mining software on the market‚ we introduce seven
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Practical Identification of SQL Injection Vulnerabilities Chad Dougherty Background and Motivation The class of vulnerabilities known as SQL injection continues to present an extremely high risk in the current network threat landscape. In 2011‚ SQL injection was ranked first on the MITRE Common Weakness Enumeration (CWE)/SANS Top 25 Most Dangerous Software Errors list.1 Exploitation of these vulnerabilities has been implicated in many recent high-profile intrusions. Although there is an abundance
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