drawing er diagrams

How Visio can reverse-connect a database to generate an ER diagram (that is, automatically generate ER diagrams from a database) In the use of the author, there is an automatic generation of ER graph requirements. After a while, there are ready-made tools to do it. Now share with you: This article takes IBM DB2 as an

1.Visio Features Overview:Can be used to draw various types of diagrams, including it-related diagrams, building plans, circuit diagrams and other diagrams. such as (this is just a partial list, and does not cover all the features of Visio)　　　　　　　　2. Visio Installation and software key:SoftwareSoftware Installation Tut

key. Set the naming transformation settings conceptual model entry only show primary key settings allow Relationship code duplicate name setting the change surface model allows the data item Reusedata item to appear to be a feature of version 11, The original version of the 9.5 model does not have this option to reuse Data Item (Column) between different tables, allowing for a modification to take place everywhere. Reused Data Item, the non-null constraint is modified in one table and is not re

types, attributes, and relationships to describe the conceptual model of the real world. The General ER drawing method uses the circle, the square, the diamond to describe the entity and the relation between them, these three represent the attribute, the entity, the relation respectively in the diagram, as for the general ER diagram. The use of PowerDesigner is

Drawing UML diagrams with Rose (use case diagrams, activity diagrams)First, the installation of rose2003, the computer from Win8 to Win10 after the discovery WIN10 does not support the installation of rose2003, changed rose2007 later, found also can not.Workaround: Install in the virtual machine (I am installing the Wi

Label:MySQL connector:http://dev.mysql.com/downloads/connector/odbc/5.1.htmlFirst the machine will install the MYSQL-CONNECTOR-ODBC plugin, which will enable Viso to recognize the ODBC driver for MySQL, 1. Open VisoSelect "Software and Database" and select "Database Model Diagram" and click "OK" 2. Go to PageSelect database, reverse engineer, which pops up the popup 3. There is a "MySQL" option in the data source, this option will not appear the first time you open it, you need to click New (I h

Download install MySQL Workbench Draw. Vain Download install MySQL WorkbenchThe first is to download the MySQL workbench,windows system of their own Baidu, I use the Ubuntu 14.04LTS, Baidu to the results of a bit of a pit, called me to the official website, but the choice of platform after the t_t, finally suddenly think of the system comes with software center, Go directly to the native Ubuntu Softwore Center to find, install just fine.Draw.How to make workbench automatically g

Download install MySQL WorkbenchThe first is to download the MySQL workbench,windows system of their own Baidu, I use the Ubuntu 14.04LTS, Baidu to the results of a bit of a pit, called me to the official website, but the choice of platform after the t_t, finally suddenly think of the system comes with software center, Go directly to the native Ubuntu Softwore Center to find, install just fine. Draw.How to make workbench automatically generate ER diag

Technology implementation3) method invocation4) ShowSix pie chart implementation 1) key technology implementation2) method invocation3) ShowSummarizeIt looks very simple, all the drawing methods are concentrated, in the future we need to use it will not be so troublesome.Download Program source code: http://download.csdn.net/detail/baihuaxiu123/9498733Blog Address: http://blog.csdn.net/baihuaxiu123Jane Book Address: Http://www.jianshu.com/users/0873a

Various diagrams in UML are an important part of the UML model. In recent articles, I will introduce nine important diagrams in UML. The general content is shown in the following directory. 1. use case diagram, class diagram, and object Diagram 2. Sequence diagram and collaboration Diagram 3. Activity diagram and status diagram 4. Component diagram and deployment Diagram In today's blog, I mainly talk abou

Recently need to draw a UML diagram, from the Internet to find a few tools software, compared a bit, found that each has advantages and disadvantages. UML diagram tools can be broadly divided into two categories, one is a professional drawing tools, with the function of drawing UML, such as Visio, Dia, and the other is specifically used to make UML diagrams, such

the participant, it can be considered a generalization relationship. The generalization relation is the inheritance relation between the general class and the special class. Cars and ships, for example, have a generalized relationship with transportation. They belong to the same means of transport, with their own characteristics.Use cases and use cases: there are generally generalizations, inclusions (uses), and extensions.Use case generalization: a use case can be specifically enumerated as on

Nagios secondary development: "Drawing service diagrams by group"Background:Nagios3.2.0 has integrated nagios, saltstack, and Thinkphp. Based on integration, secondary development is carried out to add functions such as grouping and plotting, asset management, and server batch management. The Thinkphp framework is used for asset addition, deletion, modification, and query. The grouping plot is used to write

; D; a -b; b -D; C -D[color="green"];D-> A;}After this, as the next is to play their own space, they can according to the code provided on the official website to learn. Official web Surface Some common graphics are all involved, and other dot step language learning.3. ReferencesOnline a lot of information, here I recommend Graphviz Chinese Tutorial guide , online download, csdn above:http://download.csdn.net/download/u010415192/9219945 Get started with Graphviz tools that illustrate prog