Page Ref: 367 6) In the database redesign process‚ it is often useful to test whether certain conditions or assumptions are valid before proceeding with the redesign. Answer: TRUE Diff: 1 Page Ref: 3 7) In the database redesign process‚ two SQL tools are useful for testing whether or not certain conditions or assumptions are valid: uncorrelated subqueries and EXISTS/NOT EXISTS. Answer: FALSE Diff: 2 Page Ref: 367 8) A correlated subquery looks very different from a noncorrelated subquery
Premium SQL Data modeling
Smruti Dash smrutitanmayeedash@gmail.com 12th March 1985 Ph: 9742344545 Bangalore‚ India |Professional Synopsis | |Business Analyst at GENPACT
Premium Marketing Clinical trial Chemistry
constraint. (D) Functional dependency. Ans: (A) The rule that a value of a foreign key must appear as a value of some specific table is called a referential constraint. (Referential integrity constraint is concerned with foreign key) Q.9 The clause in SQL that specifies that the query result should be sorted in ascending or descending order based on the values of one or more
Premium Relational model Database normalization Data modeling
Case Study: A Thai Learner in the Learning Context 1. Introduction The Cambridge Certificate in English Language Teaching to Adults (CELTA)‚ offered by the University of Cambridge (ESOL Examinations)‚ is run in over 120 centers around the world and it is considered by many authorities as the most important form of training in the TELF (Teaching English as a Foreign Language) industry. Between 30th of August and 24th of September 2004 I attended the Cambridge CELTA course at English and Computer
Premium Teaching English as a foreign language United Kingdom English language
session.| d.|A brainstorming session should be kept short and have an established time limit.| REF: p. 111 4. Formal research methods include a.|setting up an experiment.| b.|searching through previous correspondence.| c.|developing a cluster diagram.| d.|brainstorming.| REF: p. 111 5. Which of the following is an example of using an informal research method? a.|Gwen accesses an Internet database with her computer.| b.|Alex locates books on a subject in the public library’s
Free Dependent clause Sentence
Chapter 3: Table Creation and Management TRUE/FALSE 1. A database object is a defined‚ self-contained structure in Oracle10g. ANS: T PTS: 1 REF: 54 2. DML commands are used to create or modify database tables. ANS: F PTS: 1 REF: 54 3. A table name can be up to 30 characters in length. ANS: T PTS: 1 REF: 56 4. A column name can consist of up to 225 characters. ANS: F PTS: 1 REF: 56 5. A table name can consist of numbers‚ letters‚ and blank spaces. ANS: F PTS: 1 REF: 56 6. Every table
Premium SQL
PT2520 Unit 1: Database Concepts Who Needs a Database? Copyright © 2012 Pearson Education‚ Inc. Publishing as Prentice Hall Chapter 1.1 Database Overview • A database is a set of related data. • An old-style library catalog‚ a Rolodex or an address book are all databases. • Usually we use the term “database” to refer to electronic databases. Copyright © 2012 Pearson Education‚ Inc. Publishing as Prentice Hall Chapter 1.2 Flat File Databases • The simplest electronic database structures are
Premium SQL Database Relational model
Using weak passwords‚ Unencrypted data storage‚ passing clear text credentials over the network‚ using weak authentication mechanisms‚ allowing prolonged session lifetime Access to credentials through data theft‚ access to authenticated user session‚ attacker can do network eavesdropping‚ brute force attacks‚ dictionary attacks‚ cookie replay attacks Use strong password policies‚ do not store credentials in insecure manner‚ use authentication mechanisms‚ encrypt communication channels‚ use secure
Premium Authentication Cryptography Computer security
Table of Content Executive Summary 1 Introduction 2 Overview of Courier and Delivery Industry 2 Review of Data Mining 4 Review of Customer Relationship Management 4 Data Mining and Customer Relationship Management (CRM) 5 Challenges of Courier industry 5 CRM Strategy of Courier Industry 7 Customer value approach of Courier Industry 8 Tools‚ Techniques and Application of Data mining 9 Current Process of Data mining Implemented by Courier Service Organizations 12 Data Mining using Clustering
Premium Data mining
CIS183: Oracle SQL Programming Lab #2‚ Due 2/15/2011 All exercises will be completed using your class login (c183_#) on the class server. Using the HR schema (which has been created in your class login)‚ complete the following questions: After Lesson 2: 1. The HR department needs a report that displays the last name and salary of employees who earn more than $12‚000. 2. Write a query that displays the last name and department number for employee number 176. 3. Write a query to display the
Premium Employment Mathematics