PT2520 Instructor: Mounir Berrada Assignment 2 Unit 2 True/False Questions Indicate whether the following statements are true or false on the student answer sheet. 1) A requirement is something a database needs to do in order to fulfill its purpose. True 2) You only need to include the most important stakeholders in the database discussions. False 3) Forms are used for gathering input. True 4) A transaction database is optimized to track transactions in real time
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Assignment 3: SQL commands Thomas Edison State College Author Note This paper was prepared for CIS 311 Database Management taught by Mr. Bob O ’Brien Abstract SQL commands are lines of SQL code that ask the SQL application to perform simple tasks with data inside of a database. Often we refer to commands as query statements or scripts; all of these terms are synonymous. Most of the commands and statements are fairly standard and will work across multiple database applications. SQL commands are
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Functions in SQL SERVER We have 2 types of functions in Sqlserver. They are 1. System Functions---Built-in functions 2. User defined Functions We can differentiate built-in functions following. 1. Single Row Functions 2. Group Functions Single row Functions Mathematical Functions String Functions Date and Time functions Mathematical Functions 1. ABS Select ABS (10) Select ABS (-10) Select ABS (0) 2. Ceiling Select Ceiling (15.6) Select Ceiling (15.2) Select Ceiling (15.0)
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SQL Server - Cursor Alternative’s /* The purpose of this series of workshops is to try to encourage you to take a practical approach to SQL skills. I always find I learn things much quicker by trying things out and experimenting. Please don’t just run the samples‚ but make changes‚ alter the data‚ look for my mistakes‚ try to see if there are different ways of doing things. Please feel free to criticize or disagree with what I say‚ if you can back this up. This workbench on cursors is not
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U05A1 RELATIONAL DATABASE SYSTEM – SQL TUTORIAL IT2230 Introductions to Databases u05a1 Relational Database System – SQL Tutorial Assignment Overview of Lesson Assignments Table of Contents Overview of Lesson Assignments 2 LESSON 3 3 Exercise 1 3 Exercise 3 3 Exercise 5 4 Summary of Lesson 3 4 LESSON 4 5 Create Table Exercise 5 Summary of Lesson 4 5 LESSON 5 6
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Which of the following is not a valid SELECT statement? a. SELECT cost-retail FROM books; b. SELECT retail+cost FROM books; c. SELECT retail * retail * retail FROM books; d. SELECT retail^3 from books; Week 3 3. Which of the following SQL statements is valid? a. SELECT order# FROM orders WHERE shipdate = NULL; b. SELECT order# FROM orders WHERE shipdate = ’NULL’; c. SELECT order# FROM orders WHERE shipdate = "NULL"; d. None of the statements are valid. 9. Which of the following includes
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Backup and Restore of SQL Server Databases SQL Server 2012 Books Online Summary: This book describes the benefits of backing up SQL Server databases‚ basic backup and restore terms‚ and introduces backup and restore strategies for SQL Server and security considerations for SQL Server backup and restore. Category: Reference Applies to: SQL Server 2012 Source: SQL Server Books Online (link to source content) E-book publication date: June 2012 Copyright © 2012 by Microsoft Corporation All rights
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1. SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno FROM dept d LEFT OUTER JOIN emp e ON d.deptno = e.deptno ORDER BY d.deptno; SQL> SELECT e.ename‚ e.deptno‚ d.dname‚ d.deptno 2 FROM dept d 3 LEFT OUTER JOIN emp e 4 ON d.deptno = e.deptno 5 ORDER BY d.deptno; ENAME DEPTNO DNAME DEPTNO ---------- ---------- -------------- ---------- MILLER 10 ACCOUNTING 10 KING 10 ACCOUNTING
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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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Lab10 SQL Injection Attack Lab Yukui Ye SUID: 439644268 Task1: SQL Injection Attack on SELECT Statements Setup: Turn off build-in SQL injection protection Set magic_quotes_gpc value to ‘off’ in file /etc/php5/apache2/php.ini in order to turn it off. Then restart it: Task1.1: Log into another person’s account without knowing the password Check the login part code to see how it login works. Following is the PHP codes run at server side. From the above code‚ we can tell how server send query
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