ER Diagram in MS Word Part 1 Creating A Strong Entity
In this first tutorial, we'll create an ER diagram in a Word document or modelling an ER diagram in a Word document we will learn how to create a strong entity to create a strong entity you go up to your Insert tab and then you choose Shapes and under rectangles or flow charts you'll find various shapes. Flow charts are going to be the most useful shapes for ER diagrams however you can obviously find them in other sections as well so we will click on on the rectangle flow chart.
We'll draw it and you can see that it has a default shape you can choose whatever color you want for me I tend to try to go up and choose one of these so that either a color outline with black or the blue you can do either one you hit black you can rightclick on it and add text and put in your entity name you can adjust the size of the text if you like by rightclicking again and just hovering over until you get the size that you like.
Fourteen point looks good we can change the autofill to none we can change the shape weight to half a point, one point one point looks good and it's done. Now at this point, if you want to save this is as your default shape and pattern so that when you start drawing a new shape it will automatically default to that you can rightclick and hit save as default shape from here you can place it wherever you want on your screen and that is how to create your first.
10 Tips for using draw.io
If you select a shape and then click and drag from the plus icon that appears on the righthand side a clone of that shape will be created with a connection between the two If you perform a single click on the plus icon the clone will be created but with no connection. When hovering over a shape fixed connection points appear in the form of these small crosses. Using these crosses will allow you to connect shapes together, when shaped connected in this way are moved they will remain connected via your.
Specifically chosen points. This is different to using the plus icon to connect the shapes. When using the plus icon the connection points between the shapes change dynamically, depending on where the shapes are placed in relation to each other. If you wish to disable the cloning of shapes when clicking and dragging on the plus icon you can do so from the menu by selecting options, then unchecking the Copy on Connect menu item. ing and dragging on the plus icon will then create a connection only, without creating a clone of the shape.
If you want to replace one shape with another simply select one from the shape menu and drag it over the top of the shape you wish to replace. As you hover over the target shape you will see this circular replace icon appear on the top with it. Release the mouse button and your chosen shape will be replaced When dragging one shape on top of another, as well as the replace icon, you will also see for directional arrows appear around your target shape. if you place the cursor on one of these arrows.
The shape the your dragging will be placed and connected to the shape underneath in the direction of the selected arrow. This feature is very useful for quickly creating a diagram laid out orthogonally. If you select any shape and start typing the text will be inserted into the shape immediately, without the need to double click. To pan around the diagram right click and hold the mouse button down, then move the mouse. You can navigate an overview of the entire diagram by selecting view, then outline. The outline of the diagram appears with a blue bounding box.
How to create a one to one relationship in MS Access 200720102013
Hi, it's HandyAndy Tech Tips here, and today I'm going to show you how to create a onetoone relationship in Microsoft Access. So I've got two tables here, CreditCard and Customer. The relationship according to the entity relationship diagram, the ERD, is that one customer can have one credit card, and you can see that I've got a foreign key for the customer in the credit card table. But when I try and create a relationship between these two tables, it defaults to a onetomany relationship, which is not what I want, and there's no way to change the relationship.
Class Diagram Generalization Relationship Georgia Tech Software Development Process
The third type of relationship that we saw, is Generalization. Generalization is a relationship, between a general class, which we normally call superclass and the more specific class, a class the refines the superclass and that we normally call subclass. It's also known as a kind of or is a relationship because we can say that the subclass is a super class and it's expressed with a solid line with a big arrow head at the end. So let's see an example of that. In this case I'm going to indicate. Two of this kind.
How to Delete Foreignkey Relationship and Entities
We can delete entities or relationships in the designer select the relationship first click the redcross delete button and press Yes to confirm delete you can do it in different way, right click Relationship1 and select Delete Relationship option keyboard shortcut is also available for delete the object left click Relationship1 , Press keyboard shortcut Delete The procedure of delete entity object is just like delete relationship object left click entity order , click the redcross delete button right click the entity, select Delete Entity option left click entity, Press keyboard shortcut Delete.
UML Behavioral Diagrams State Transition Diagram Georgia Tech Software Development Process
The very last diagram that I want to discuss is the state transition diagram. The state transition diagram is defined for each relevant class in the system and basically shows the possible live history of a given class or object. So what does it mean to describe the life history It means that it describes the possible states of the class as defined by the values of the class attributes. And it also describes the events that cause a transition from one state to another. Finally, it describes the actions that result from a state.
Change. So if you put all of this together you can see how this can represent the whole history of the class, from its creation to its destruction. So let me discuss the transition diagram in more detail, and also provide information about the notation used to represent them. We have states, that are represented by ovals with a name. And we have transitions marked by the event that triggers the transition. What transitions indicate is the passage from one state to another state as the consequence of some external stimuli. Notice.
That not all events will cause a state transition. So for example, some events might be consumed within a single state. And we'll get to that in a second. But in most cases, an event will trigger some state transition. Events may also produce actions and they may also have attributes which are analogous to parameters in a method call. And Boolean conditions that guard the state transition that is prevented from happening in the case the conditions are not satisfied. States may also be associated with activities and actions. Specifically, activities are operations performed by an object.
When it is in a given state and that takes time to complete. Actions, conversely, just like the actions corresponding to an event are instantaneous operations that are performed by an object. And can be triggered on entry. So, when the object reaches a given state, when the object exits that state, and also when a specific event occurs. And in this case, this notation is basically a shortcut for any event that will cause a state transition that will bring the object back into the same state. Since we have several actions and activities, it.
How to Use Dia Diagram Editor
How to Use Dia Diagram Editor I'm going to demonstrate how to use Dia Diagram Editor, a free, Open Source drawing software for Windows, Mac, and Linux. Now I will show you how to create diagrams and flow charts using Dia Diagram Editor. First, go to the task bar and open Dia Diagram Editor. Now you can see the shapes and symbols to create a basic flow chart. You can also check the symbol properties by double clicking on them, and then select the features you would like to use. You can also select Other Sheets to choose from more specific diagramflow chart subjects,.
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How To Create An ER Diagram
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