Entity Relationship Diagram Software for Mac
Entity Relationship Model
One of the most popular semantic data models is the "entity-relationship" model (often called ER-model). Most of the modern approaches to the database (mainly relational) design are based on the usage of different versions of ER- model. The model was proposed by Peter Chen in 1976. Domain modeling is based on the use of graphic charts, including a small number of heterogeneous components. The simplicity and the presentation clarity of the conceptual basis of these ER-model schemes led to its widespread deployment in the CASE-systems that support automatic design of relational databases.
The basic concepts of ER-models are the entity, the relation and attribute. An entity is a real or abstract object, information about which should be kept and be available. The entity in an ER-model diagram is represented by a rectangle containing the name of the entity. In this case, the name of the entity is not a particular instance of this entity, but a label for the whole entity. Although it would be more correct to use such terms as ‘an entity type’ and ‘an instance of the entity type’ to avoid verbosity, in cases where it does not lead to ambiguity, the term “entity” is used in the meaning of the entity type. For instance, let’s think of an entity named “airport”. In this case, “airport” is the entity type, and “Heathrow” or “Charles de Gaulle” are the instances of this entity.
A relation is a graphically depicted association between two entities. As well as the entity, a relation is a typical concept, all instances of the linked entity types are subject to the rules established by the connecting. Therefore, it is more correct to speak about the relationship type made between types of entities and about the instances of relationship types made between instances of the entity type. In common ER-model this association is always binary and can exist between two different entity types or can be recursive.
Design elements Peter Chen and Crow's Foot notation
ConceptDraw DIAGRAM is a famous Entity Relationship Diagram software for MacOS which gives the ability to describe visually the databases using the Chen’s notation icons and Crow’s Foot notation icons for drawing ER diagram (ERD).
Example 1. Entity Relationship Diagram Software for Mac
ConceptDraw DIAGRAM was developed especially for a reason of providing the convenience for macOS operating system, designed and created especially for Mac users. The difference between this application, comparing to the other Visio alternatives, which are also suitable for Mac, is that it offers to use the pre-made solutions, available both on this site and in another application, developed by the CS Odessa team of IT specialists — ConceptDraw STORE. Having ConceptDraw DIAGRAM drawing software means having an opportunity to create great looking as well as smart ERD diagrams, as this application provides all of the necessary tools to have the drawings done within only a couple of hours or even minutes, depending on how familiar you are already with this software.
Thus, once you have to create some ER-model, showing the entities, the relations between them as well as the attributes, then the best option for such drawings would be using ConceptDraw DIAGRAM which is very popular among software engineers being used for different purposes. Downloading this Entity Relationship Diagram software for Mac OSX allows you to describe any needed databases visually using the Chen’s notation icons as well as Crow’s Foot one’s icons in order to create the very professionally looking ER diagrams (ERDs) as this is a very good alternative of MS Visio for Mac.
Example 2. ERD Symbols — Chen's Notation
The Entity-Relationship Diagram (ERD) solution can be downloaded from this site or from ConceptDraw STORE application, enabling you to use both stencil libraries containing all together 45 vector graphic symbols, which will be useful in creating the needed ER diagram. Get it today to have the smart looking result already by tomorrow.
Example 3. Entity Relationship Diagrams solution
Use unique ConceptDraw DIAGRAM diagramming and vector drawing software enhanced with Entity-Relationship Diagram (ERD) solution to draw ER diagrams using Chen's or Crow's Foot notations on your Macintosh computers.
No other Entity Relationship Diagrams software gives you all this:
- Design and document using a wide range of pre-drawn erd shapes and smart connectors.
- Great value for the money, only $199 dollars.
- Free technology support.
- Free examples and built-in templates to help you draw entity relationship diagrams rapidly.
TEN RELATED HOW TO's:
Plumbing systems are very important for any manufacture, and it's a good practice to have a clear scheme of that system. To create one, you should use a piping and instrumentation diagram software with a possibility to save files in vector format, so you can print them without quality loss. ConceptDraw DIAGRAM is a great tool for creating diagrams, and you don't need to be very experienced to use it efficiently.
This example of Piping and Instrumentation Diagram (P&ID) depicts a scheme that illustrates the physical sequence and functional communications of piping, instrumentation and plumbing equipment components of a typical food trailer.
Seeking to avoid health troubles in a mobile food service , the plumbing demands for food trailers must be considered accurately. This P&ID shows all of piping including a basic set of piping system components along with multiple sinks, extra water heaters and other elements to meet health guidelines.
Picture: Piping and Instrumentation Diagram Software
UML Component Diagram illustrates show components are wired together to larger components and software systems that shows the structure of arbitrarily complex systems.
Rapid UML Solution for ConceptDraw DIAGRAM contains 13 vector stencils libraries with 393 interactive shapes that you can use to design your UML diagrams.
To design a Component Diagram use the UML Component Diagram library.
UML Component Diagram library contains 36 shapes
Picture: UML Component Diagram. Design Elements
Complexity of databases increases day by day, due to this the Entity relationship models and E-R diagrams become more and more popular, and now are an important part of database design. E-R diagrams created at ConceptDraw DIAGRAM allow visually and graphically represent structure and design of databases.
Picture: E-R Diagrams
There are many tools to manage a process or to illustrate an algorithm or a workflow. Flowcharting is one of those tools. However, it may be difficult to show complex processes that require multiple attributes or several people in a simple flowchart, so a cross-functional flowchart would be a solution for that situation. To create such flowchart, group processes and steps to labeled rows or columns, and divide those groups with horizontal or vertical parallel lines. It is worth mentioning that there are different types of cross-functional flowcharts, like opportunity or deployment flowchart.
This diagram shows a cross-functional flowchart that was made for a trading process. It contains 14 processes, distributed through 5 lines depicting the participants who interact with the process. Also there are connectors that show the data flow of information between processes. The cross-functional flowchart displays a detailed model of the trading process, as well as all participants in the process and how they interact with each other. The lines in the flowchart indicates the position, department and role of the trading process participants.
Picture: Cross-Functional Flowchart
The entity–relationship (ER) model is a data model that lets graphically represent the information system and depict the relationships between people, objects, concepts, places, and events within a given system. It is also convenient to use the ER Diagram for Cloud computing representation and description the Cloud computing architecture, design them with pleasure using the extensive tools of the Cloud Computing Diagrams solution from the Computers and Network area of ConceptDraw Solution Park.
Picture: ER Diagram for Cloud Computing
ConceptDraw makes the entire process of network visualization easier thanks to the numerous ready-to-use objects included in the package for presentation of network equipment, LDAP directory symbols and many other objects that symbolize resources in most various representations.
Picture: Network Visualization with ConceptDraw DIAGRAM
Big and complex projects sometimes need some simplification of plans and schedules. That's why Program Evaluation and Review Technique was invented and first implemented in 1958. You can create PERT diagrams effortlessly with ConceptDraw DIAGRAM and share them with your colleagues.
Program Evaluation Review Technique (PERT) is a method that is used to assess and analyze projects. PERT is a valuable tool for the project management practice. PERT gives an assessment and analysis of the time needed to the project completion. A PERT chart is a visual tool that delivers a graphical view of a project timeline. It is used to display the sequences and dependences of project tasks necessary to complete a project. ConceptDraw DIAGRAM delivers the possibility to build a PERT along with other diagrams applied to assist management process by using its Seven Management and Planning Tools solution.
Picture: Program Evaluation and Review Technique (PERT) with ConceptDraw DIAGRAM
ConceptDraw DIAGRAM is new software for business and technical drawing. Powerful business drawing tools, extensive libraries with pre-drawn shapes, free samples of business drawings, technical drawings and flowcharts, support of many graphic formats enable users to visually develop their business drawings charts and diagrams in any combination of drawings, diagrams and flow charts.
Picture: ConceptDraw DIAGRAM The best Business Drawing Software
UML Collaboration Diagram depicts the interactions between objects or parts in terms of sequenced messages and describes both the static structure and dynamic behavior of a system.
Rapid UML solution provides templates, examples and libraries of stencils for quick and easy drawing all the types of system and software engineering diagrams according to UML 2.4 and 1.2 notations.
Picture: UML Collaboration Diagram (UML2.0)