After all business requirements have been gathered for a proposed network‚ they must be modeled. Models are created to visually represent the proposed network so that business requirements can easily be associated with network objects to ensure that all requirements have been completely and accurately gathered. Basically data modeling can fall into two types of categories: Physical modeling and Logical modeling. Logical modeling deals with gathering business requirements and converting those
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Attempted Question: Question no. 4 • Describe what a relational database is and why relational databases are needed. Introduction: The knowledge of databases is an essential requirement for any being who has majored in the field of computers and IT. Same criteria is involved for a technologist. Relational Database: Relational Database‚ also known as RDB‚ is major sub-branch of Database. A relational database‚ or more commonly known as RDB‚ is a collection of multiple data sets. Mainly
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EXPERIMENT NO 2 FACT TABLE FOR UNIVERSITY DATABASE AIM:-Creation of dimension table and fact table for University Database. THEORY:- DIMENSION TABLE In data warehousing‚ a dimension table is one of the set of companion tables to a fact table. The fact table contains business facts or measures and foreign keys which refer to candidate keys (normally primary keys) in the dimension tables. Contrary to fact tables‚ the dimension tables contain descriptive attributes (or fields) which are typically
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A. Database concepts 1 Basic SQL Command: SQL commands which are worth knowing : TRIM (for stripping spaces) LEFT (for fetching the data from left side of string) RIGHT (for fetching the data from right side of string) REPLACE (for replacement in string) CONVERT (for converting data from one type to another) LEN (for fetching length of string) STUFF (way to insert one string into another) DIFFERENCE (diff between two strings return 4 represents no diff or strong similarity)
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Career Development Plan Summary In response to a directive by the County Manager this Career Development Plan is intended to provide information for employee development needed to fulfill five new job categories. The plan calls for an analysis of the new positions and to develop strategies to maximize employee diversity‚ team performance evaluation‚ health benefits and incentives‚ and cost savings training alternatives. The new job descriptions are intended to fulfill all technology needs and
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HR and OD Administrator Service: HR & Organisational Development Hours: 37 per week Salary: Scale points 8 – 13 Reference Number: Responsible to: HR Manager Responsible for: N/A _____________________________________________ The Position As a competent administrator the role holder will provide a comprehensive administrative support service for the HR & OD Team to delivery excellent services to staff and students. Main Duties and Responsibilities 1. Provides administrative support
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Truck Maintenance Database for Huffman Trucking Entities and Attributes Summary When using a database‚ the most important step is knowing how to use the table elements. The table defines the structure of the database based on its entities and Attributes. The entity is the object being stored and the Attributes describe information about the entity and its reason being documented. When using this table‚ one needs to first know how to access the database‚ table and forms
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Information for Database Design 1. Scope of Project 2. Project Identification 3. Database Overview 4. Document Overview 5. 7 Steps of the SDLC/DBDSL 6. The 3 Steps in Database Creation
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A Career in Dentistry Children are often sweet and adorable‚ but many times they may be eating too many sweets. According to the Channel Four News‚ it has been shown that the number one disease in children is the recurrence of caries‚ also known as cavities. Could it be too many sweets or could it be the lack of flossing and brushing teeth? For instance‚ many children go to bed or wake up without brushing their teeth and go throughout the day eating all sorts of food and candy. The result of
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Warehouse A data warehouse is a database that stores current and historical data of potential interest to decision makers throughout the company.[1] In the Terrorist Watch List Database case‚ the information about suspected terrorists are consolidated and standardized from multiple government agencies so that the information can be centralized into a single list‚ from which different agencies can communicate and share information with each other. This centralized database is a specific example of data
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