ER stands for entity relationship that helps in organizing and storing the data in a database. The stored data is in the form of different entities that defines the relationship between each entity. Peter Chen developed the concept of ER diagrams in 1976. Chen’s innovative work started a new arena of research and practice known as conceptual modeling. The entity relationship model serves as the foundation of various system analysis, repository system and computer-aided software engineering tools. Data models are easy to understand and it is a means of visualizing how information produced by a system is related to each other. An entity relationship diagram looks like a flowchart as it contains specialized symbols and its meaning that makes it more unique. Objects such as entities and relationship sets can be represented with the help of an ER diagram.
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An entity relationship diagram is also called an entity-relationship model that reflects the graphical representation of entities and their relationships with each other. Below are the various relationships between the entities.
Though ER model looks as simple diagrammatic representation, but it is intricate in nature as it involves a clear understanding of data flow. Moreover, an ER diagram also shows a graphical representation of the design that makes difficult for the students to understand its complex structure. Furthermore, the newly enrolled students want to run away from this topic due to several technical terminologies associated with it. If a student is all confused with the concept, it would create a drastic problem in designing the ER diagram as the materials available on the internet are also of no help in such a case. Also, ER diagram is specially designed for an advanced level design that too confuses some students and it results in their poor performance. Nowadays, academics these days are also demanding and challenging that wastes most of the students crucial time. Amongst these situations dealing with the topics like ER diagram and related homework is tricky and problematic. To cope up with these problematic situations, EssayCorp provides the best professional guidance on database assignment writing for students on all the topics related to it. With the team of experts, students can get the expert help and can get rid of all their complications regarding this topic.
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Assignments related to database are tough to go through and E-R Diagrams being the ones that need someone to understand it to the core. The inclusion of software makes it the one to be handled more diligently. Student often face such difficulties with the assignments that has an involement of E-R Diagrams specifically as they perhaps has less knowlege on the subject or may not be aware of the fundamentals, which in turn results in poor grades. EssayCorp has database management experts who are experts in E-R diagrams drawn in a particular software as asked by the Universities. A copy of the the software file and the screenshots is shared to ensure that it is done accurately.
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Is there a difference in the overall satisfaction of women based on the number of housing problems (no problems, 1 problem, 2 or more problems)? Using Polit2SetA data set, run an ANOVA using Overall Satisfaction, Material Well- Being (satovrl) as the dependent variable and Housing Problems (hprobgrp) (this is the last variable in the data set) as the independent variable.