Fiedler’s Contingency Model: Fred E. Fiedler was one of the first leadership researchers to acknowledge that effective leadership is dependent on the characteristics of the leader and the situation. The contingency model helps to explain why a manager may be an effective leader in one situation and ineffective in another. The contingency model also shows which managers are likely to be most effective in what situations. It is said by Fiedler‚ that personal characteristics can influence leader effectiveness
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Tuckman’s model has been proven to help wonders. At my day job I am the leader of a team. I have found it very important to understand the Tuckman model because it is almost like a handbook. If i am unsure of the stage we are in and where we need to be when working on a goal I can just go back and check the model to see. If a leader is able to understand how to make progress to the next stage or even just become aware of who and what everyone in the group is capable it can start delegating what needs
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Independence with its Types and Examples. 4. Definition : 1) Assertion 2) Authorization 5. Explain Object-Oriented Data Model 6. Explain Semi-Structured Data Model. 7. Explain Database System Architecture. 8. Explain Duties of Database Administrator. UNIT - 2 9. What are the steps involved in designing a database application? Explain with an example. 10. What is E-R Model? What is purpose of E-R Model? 11. Explain Entity and Entity Sets with Examples. 12. Explain Relation and Relationship Sets with Examples
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We discuss relational query optimizers in detail in Chapter 14. Section 13.1 lays the foundation for our discussion. It introduces query evaluation plans‚ which are composed of relational operators; considers alternative techniques for passing results between relational operators in a plan; and describes an iterator interface that makes it easy to combine code for individual relational operators into an executable plan. In Section 13.2‚ we describe the system catalogs for a relational DBMS. The catalogs
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the database server across a network via SQL (structured query language. For the large scale applications‚ “N” Tier client/server architecture must be adopted. The client/server model expands to include a middle (or business) tier‚ which is an application server that houses the
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Management System). According to Wikipedia‚ OLAP begins by taking a snapshot of a relational database‚ and then restructuring it into a dimensional database. Queries are run against this snapshot. Data is pre-computed and placed on different levels. Because of this restructure‚ the queries can be run much faster than on a relational database‚ sometimes in " about 0.1% of the time to run the same query on relational data." In any business environment‚ speed and efficiency are always an advantage
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contributing to their success. We looked at which business model components‚ such as value proposition‚ target customers‚ distribution channels‚ and revenue streams‚ are important. The type of e-business models each company used and the ones that are more successful were investigated. We discovered some similarities and differences; some differences were the use of revenue streams for generating multiple sources of revenue‚ the type of e-business models used and the role they play in executing the e-business
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Explain what is meant by a business model In general a business model describes in which way a company can generate revenue‚ and hereby makes profits from their respective operations. It is used by‚ for example‚ already established companies‚ which seek new forms of innovation strategies to put themselves in a stabile spot in the growing competitiveness among other companies. It is hereby also used by entrepreneurs‚ who are new to the business market‚ and want to be innovative and carve out their
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Waterfall Model A Modified Waterfall Model (See Figure 7) from the System Development Life Cycle was used by the proponents in this study. This model involves validation or verification between the phases of the traditional Waterfall Model. This combination enables the early corrections of any deviations in the processes. This model also supports proper development documentation. For that reason‚ the proponents became one-step closer in using the Modified Waterfall Model. This model also has
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The company might also have an online presence. Of the many different business models such as e-commerce‚ home businesses‚mail order‚ and brick and mortar‚ there are advantages and disadvantages to each. Some types of businesses are best served by‚ or even require a hands-on base of operations to provide their products or services‚ such as auto repair and healthcare; and many companies benefit from augmenting this model with an online presence. But prior to the Internet‚ a brick and mortar business
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