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Label:2013-05-01 Created by BaoxinjianI. Summary Part 1:creating a Logical UML Class ModelStep 1:create the Model ProjectStep 2:set the environment for Class Model diagramsStep 3:create a Class Model DiagramStep 4:enhance the Class ModelOpenpart 2:transforming the Logical Model into Database physical ModelsStep 1:transform the Class model into a Database Mo
Rose was first used, and EA was used for UML design, which was very convenient. EA, that is, sparx systems enterprise effecect. EA provides users with a high-performance and intuitive working interface, and works with the latest UML 2.0 specifications to create advanced software modeling solutions for desktop computer staff, Development and Application teams. This product is rich in features and highly cost
Label:2013-05-01 Created by BaoxinjianI. Summary Part 1:creating a Logical UML Class ModelStep 1:create the Model ProjectStep 2:set the environment for Class Model diagramsStep 3:create a Class Model DiagramStep 4:enhance the Class ModelOpenpart 2:transforming the Logical Model into Database physical ModelsStep 1:transform the Class model into a Database Mo
2013-05-01 Created by BaoxinjianI. Summary Part 1:creating a Logical UML Class ModelStep 1:create the Model ProjectStep 2:set the environment for Class Model diagramsStep 3:create a Class Model DiagramStep 4:enhance the Class ModelOpenpart 2:transforming the Logical Model into Database physical ModelsStep 1:transform the Class model into a Database ModelSte
The relationship between classes is as follows:Second, the UML and the database design main discussion content:Third, the dependency relationship emphasizes the use relationship between class operations, the mapping of class diagram to table structure does not involve this kind of relation, so we just need to discuss the generalization relation and the correlatio
modeling tool. After a while, you will be familiar with the modeling tool's interpretation of various relationships and table details. [Conclusion] data modeling is a good software engineering practice. It helps you plan data requirements before writing code. Data Modeling is also useful in the process of maintaining and improving the data layout of the system. Some tools can make the process very simple and help you manage and design the
650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M00/83/5F/wKioL1dx4ZKhAZ14AAT-5JenYfk641.jpg-wh_500x0-wm_3 -wmp_4-s_2694188235.jpg "title=" Operation and Maintenance tool system 3.jpg "alt=" Wkiol1dx4zkhaz14aat-5jenyfk641.jpg-wh_50 "/>Operational Process management tools1. Release the Change Process management toolAs a system interface to work with other roles. and provide approval links to control the risk of release changes. Process managemen
Label:er diagram The E-r graph, also known as the entity-contact graph (Entities Relationship Diagram), provides methods for representing entity types, attributes, and connections to describe the conceptual model of the real world. Entity is to see the touch or can be perceived acceptance of the objective existence, the attribute is used to describe the entity, contact nature is the relationship between ent
Label:Use PowerDesigner to build a database table. have been very busy, no time to write things. It's going to be a little bit loud this time, hey. This skill is an essential skill for project managers. The protagonist of this time: 1. establish a project under the workspace: Of the physical data model type Select mysql5.0 at the DBMS 2. Create a table UML diagram
directionality, and there is a cardinality in each direction.ExampleThe link between "department" and "student" two entities is a one-to-many connection, in other words the link between "student" and "department" is a multi-pair connection. And a student must belong to a department, and can only belong to a department, can not belong to 0 departments, so from the "student" entity to "department" the base of the entity is "a", from the other side of the contact to consider, a department can have
Database Design-Data Flow Diagram (DFD) and data flow dfd1. Data Flow Diagram definition data flow diagram (DFD) is a tool used in structural analysis. It graphically depicts the process of data flow and processing in the system, because it only reflects the logical function
Modeling a database using an object relationship diagram(A liang @ Cactus studio August 14, 2001)I. OverviewIt is very likely that you are planning a database-driven website, and you are almost certain that you have browsed the database-driven website. In the past, some websites relied on CGI scripts and text file stor
Oracle Database Installation diagram and basic command line usage 1. Oracle Database Installation 1. Download the oracle database software Http://download.oracle.com/otn/nt/oracle11g/win32_11gR1_database.zip 2. decompress the win32_11gR1_database.Zip installation package, as shown in 1: Figure 1 3. Click setup.exe, se
Database relationship diagram;The SQL serverssms GUI provides a very useful tool. It can display the relationship between tables and other objects in a graphical manner, and we can also add, modify, and other database objects in a graphical way. Before learning, let's take a look at what is the relationship between tab
Steps:1. In Control Panel--admin tool (if no administrative tool found, view to large icon)--Data source (ODBC)--User DSN--Add a data source under User data source (here, add data sources as appropriate)The orcle in the figure is the added data source, because the data source where my database resides is orcle.2. Open PowerDesigner New PDM model3, select the
Tags: blog http io ar sp strong file data on1. Model diagram for creating a database in a SQL Server database--database diagrams2. Control Panel--Administrative Tools--ODBC Data Source link--Create a data source link for SQL Server3. Open the Visio tool to open the
1, first stop the ORACLE11G database of 5 servicesRight-click on "Computer" and in the drop-down menu list, go to Computer Manager by clicking "Manage". The schematic steps are as follows:Select the last item "Services and Applications" on the left-hand toolbar, click the drop-down menu, click the "Services" option, go to the list of services, find the oracle11g 5 services, right-click "Stop" action. Such as:The oracle11g detailed service Information
Preface As has been heard, EA can not only draw various diagrams (UML, E-R diagram ...). , you can also turn diagrams into SQL scripts, software documents, and code for various languages. So, curious, I hope to take this opportunity to try this refactoring. A variety of documents are written almost, followed by modeling, building a database. So, I drew the E-R
database pressure is very large, a machine can not support, then use MySQL replication to achieve multiple machine synchronization, the pressure of the database is dispersed.MasterSlave1Slave2Slave3Master Library Master is used to write, slave1-slave3 are used to make select, each database share a lot less pressure.To achieve this, the program needs special desi
Oracle database Installation diagram and use of basic command lines Oracle Database Installation 1. Download Oracle database software Http://download.oracle.com/otn/nt/oracle11g/win32_11gR1_database.zip 2. Extract Win32_11gr1_database. Zip installation package, as shown in Figure 1: Figure 1 3. Click
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