What Is A Data Dictionary? Per the IBM Dictionary of Computing‚ a data dictionary is a "centralized repository of information about data such as meaning‚ relationships to other data‚ origin‚ usage‚ and format." Essentially‚ it is documentation or data about data in a file or database‚ also called metadata. Typical Items In A Data Dictionary For each field or column in a database table‚ describe the following elements: Item Contents File/Table Name The name of the file or table where
Premium Data modeling SQL Relational model
1. Explain economics? Economics is the study of how society allocates scarce resources and goods. Resources are the inputs that society uses to produce output‚ called goods. Resources include inputs such as labor‚ capital‚ and land. Goods include products such as food‚ clothing‚ and housing as well as services such as those provided by barbers‚ doctors‚ and police officers. These resources and goods maybe be considered scarce because of society’s tendency to demand more resources and goods than
Free Economics
Census Data 1. The 2010 Census reported 308.7 million people in the United States‚ a 9.7 percent increase from the Census 2000 population of 281.4 million. 2. About 16-17% 3. 42‚148 4. 15.9 % The one thing I find interesting is that the poverty level has risen in percentage. We should help each other out more. Table 59. Households‚ Families‚ Subfamilies‚ and Married Couples: 1980 to 2010 [In thousands‚ except as indicated (80‚776 represents 80‚776‚000). As of March. Excludes
Premium Family United States Census Bureau Marriage
| ECONOMICS 8819/01 Paper 1 1 September 2011 3 hours Additional Materials: Answer Paper READ THESE INSTRUCTIONS FIRST Write your name‚ index number and CT class on all the work you hand in. Write in dark blue or black pen on both sides of the paper. You may use a soft pencil for diagrams‚ graphs or rough working. Do not use paper clips‚ highlighters‚ glue or correction fluid. Section A Answer all
Premium Inflation Minimum wage
1.0 Introduction Although inflation is generally thought of as an inordinate increase in the general price level‚ throughout the history of economics the causes of inflation and the definition of inflation itself remained as an unresolved issue. There is a general agreement that‚ in the long-run‚ inflation is a monetary phenomenon. In short-run‚ however‚ many other factors could cause inflation that instigates unsettled debate on the causes of inflation. Every school of economists tries to define
Premium Inflation
the ‘economic problem’? The fundamental economic problem is related to the issue of scarcity. Scarcity means that resources are limited and short in supply in the world (e.g. diamond). Because of limited resources and unlimited demands‚ society needs to decide how much to produce and distribute these relatively scarce resources. The basic economic problem can be define as what to produce‚ how much to produce and for whom to produce. Some countries are lucky to have great natural resources‚ whilst
Premium Economics Supply and demand Mixed economy
Which of the following reading components do you find the easiest and the most difficult? Vocabulary Sentence/Syntax Getting the main idea Comprehension Others:_______________ Easiest: _____________ Difficult: _______________ EASIEST COMPONENTS: Vocabulary - 3 Sentence/Syntax - 11 Getting the main idea - 16 Comprehension - 1 DIFFICULT COMPONENTS: Vocabulary - 5 Sentence/Syntax - 9 Getting the main idea - 5 Comprehension – 11 2. Why do you consider _____________ as the easiest and
Premium Understanding Mind Grammar
In economics‚ there are many fallacies that exist. In relation to economics‚ a fallacy is a policy or theory that can be misleading if based on faulty reasoning yet is still accepted by many as fact. Economists attempt to use information based on statistics and facts in order to hypothesize relevant theories. Due to the fact that economists and others that are involved in making decisions on economic policies are human‚ human error can occur. As a result‚ policies put in place that seemed logical
Premium Critical thinking Argumentation theory Logic
airline and the flight reservations made by customers. The key elements in the system revolve around Planned and Actual Flights‚ and the reservations made by customers of actual flights. | Contents Current Business Activities and Operations: 3 List of Business Rules: 4 Entities and Attributes: 5 Relationship Types: 6 Primary Keys: 7 Foreign Keys: 8 Normalization: 9 Entity Relationship Diagram: 10 Referencing: 11 Current Business Activities and Operations: Hotel reservation systems
Premium Computer reservations system Entity-relationship model Indian reservation
ECONOMICS CHAPTER 1 ECONOMIC WAY OF THINKING SCARE RESOURCES WEALTH OF THE NATIONS ECONOMICS: ADAM SMITH STAR CITY Scarcity Scarcity is the basic and central economic problem confronting every society. It is the heart of the study of economics and the reason behind its establishment. Authors have defined scarcity in various way some if which are complexly stated. One author defines scarcity as a commodity or service being in short supply‚ relatives to its demand (Kapur
Premium Economics Supply and demand