Oracle Database 11g Performance Tuning PreSales 1. What type of data would benefit from the use of a reverse index? For index values which increment by 1. (*) For any character-based index value. For any index value with repeating sections. For indexes with low cardinality. Correct‚ a reverse index would work well for tables where the index values increment by 1. 2. When should you resort to using an hint in an SQL statement? You should always use hints. You should
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CHAPTER 1 INTRODUCTION As technology continues to advance‚ computers are becoming more part of everyday life. Computers are everywhere at work‚ at school‚ and at home .Many daily activities either involve the use of or depend on information from a computer. This maybe because computers are used in almost every field and profession like education and office works to perform large number of computer application .It also the best solution for providing information and a way of communications
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the methods used in criminal investigation are evidence collection‚ collecting witness and victim statements‚ and searching electronic databases. An example of a method of inquiry for evidence collection would be the steps an investigator is required to use in gathering physical evidence from a crime scene. Another example would be to search electronic databases and the internet. 2.What is the optimal mindset of an investigator and how are the concepts associated with the optimal mindset of an investigator
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entity? Something about which we want to store data. 7. What is business logic? The set of rules that govern an organizations processes. 8. What is a relational database? A data base that organizes data into overlapping tables. They follow a set of very specific rules that ensure data contained in the database will be consistent. 9. How do the following terms relate to one another: record‚ table‚ field‚ primary key? Rows are called records‚ and columns are sometimes called fields
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< The Terror Watch List Database Troubles Continue > Prepared by Question 1: Saumya Medushani Pepera Question 2+3: Nguyen Ngoc Tien Question 4: Novina Magai Question 5: Yang Xiaolin Table of Contents Executive Summary 3 Introduction 4 Q1. Why was the consolidated terror watch list created? What are the benefits of the list? 5 Q2. Describe weaknesses of the watch list. What management‚ organisations and technology factors are responsible for
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What data is important? According to Module 5 Slides‚ DMIS stands for Database Management Information system. This system is a mechanism for entering data into data bases‚ used for accessing data from multiple databases‚ and makes all content of these databases practical. This type of system helps with decision making because it allows for the administrator to access all school information‚ examine educational trends‚ the school demographics‚ and teaching quality. For instance‚ the data could help
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Database Entities and Attributes CMGT\555 April 7‚ 2014 Professor Jennifer Mroczko Database Entities and Attributes A database as documented according to "Dictionary.com" (2014)‚ is a “systematized collection of data that can be accessed immediately and manipulated by a data-processing system for a specific purpose.” These collections of data are used to make searching for a needed product or service easy for a user. Each of these databases is comprised of a number of entities and attributes
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assignment I will be comparing and contrasting transactional databases and data warehouses‚ demonstrating the similarities and differences between them both. I will do this by first defining these database systems and the reason for their use. I will also be using key relevant theories and tools to back up my findings‚ to argue their differences and similarities as efficiently as possible. Where similarities between transactional databases and data warehouses do exist they are in the areas of information
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LOCKHEED TRI STAR CASE STUDY Ignacio Serra N 04/23/2015 Introduction The Lockheed L-‐1011 TriStar was the third wide body passenger jet airliner to reach the marketplace‚ following the Boeing 747 “jumbo jet” and the Douglas DC-‐10. Lockheed began design and testing in 1966 on
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Section 33(1) Companies Act 1965 that the Memorandum of Association and Articles of Association of a company shall‚ when registered‚ bind the company and the members of the same extend as if they respectively had been signed and sealed by each member‚ and contained governance on the part of each member to observe all the provisions of the memorandum and of the articles . So‚ it is required for all the members in the company to follow the content stated in Memorandum of Association and Articles of Associations
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