Entity Relationship Explanation via Conceptualization Finding an attribute to explain the relationships between a given pair of entities is valuable in many applications. However, many direct solutions fail, o... C Xie,J Liang,Y Xiao,... - 《Journal of Shanghai Jiaotong University》 被引量: 0...
In SQL Developer Data Modeler I can reverse engineer a Relational Model to a Logical one (it’s on a right-click context menu.) Once that’s done, THEN I have a list of Entities and Attributes AND the associated Entity Relationship Diagram. This is an ERD. Those blue thingies are Entiti...
I've attempted to create an ERD for my Learning Management System project. Here's a quick explanation, admin can manage both teacher and student, teacher can create many classes, students can access the classes, a class contains many learning materials, and one learning material has a quiz: ...
Twitter Google Share on Facebook Entity Also found in:Dictionary,Thesaurus,Medical,Financial,Encyclopedia,Wikipedia. A real being; existence. An organization or being that possesses separate existence for tax purposes. Examples would be corporations, partnerships, estates, and trusts. The accounting enti...
Explanation: An entity isa “thing” or “object” in the realworld that is distinguishable from all other objects. Explanation: For example, each person in a university is an entity. What is entity and its types? An entity can be of two types:Tangible Entity: Tangible Entities are those ...
See Database First for more on this (actually had I seen this post before I started writing this post I might not have bothered as this link points to a more comprehensive explanation, but I’ve got this far so may as well finish the post :)). So to use the DbContext carry out th...
Answer and Explanation: Learn more about this topic: Variables in Math | Definition & Examples from Chapter 4/ Lesson 1 162K What is a variable in math? Learn what a variable is and how to find the variable. See variable examples, their properties, and steps to find their value. ...
For an explanation of how associations enable easy access from one entity object to another, see Section 4.3, "Creating and Configuring Associations." To avoid a conflict with an existing method in the application module that finds the same associated entity using the same accessor attribute, you...
FIG. 2 illustrates an example entity relationship diagram, according to an embodiment of the invention; FIG. 3 is a block diagram that illustrates sample tools for identifying important relationships between entities in entity relationship graphs, according to an embodiment of the invention; FIG. 4A...
What is an entity set?Database :The database gives a way to store the data in tabular form.To store the data we use ORACLE,SQL,MS ACCESS and etc.The tools uses their own language to play with data.Answer and Explanation: Become a member and unlock all Study Answers Start today. Try...