外文翻譯----powerdesigner的起步與數(shù)據(jù)建模-資料下載頁
【導(dǎo)讀】數(shù)據(jù)模型是信息的一種表示方法和生產(chǎn)消費(fèi)系統(tǒng)。PowerDesigner提供概念,邏輯,和物理數(shù)據(jù)模型來讓你。它給的形式表示數(shù)據(jù),需要運(yùn)行企業(yè)、經(jīng)營活動(dòng),可能包含數(shù)據(jù)對象尚未。實(shí)施在物質(zhì)數(shù)據(jù)庫。代表組織的數(shù)據(jù),在一個(gè)圖形格式創(chuàng)造的實(shí)體關(guān)系圖表。數(shù)據(jù)設(shè)計(jì)的有效性進(jìn)行了驗(yàn)證。產(chǎn)生一個(gè)邏輯數(shù)據(jù)模型,物理數(shù)據(jù)模型,或一個(gè)面向?qū)ο竽Ｐ?OOM. 指定一個(gè)對象),表示清潔發(fā)展機(jī)制使用UML標(biāo)準(zhǔn)。denormalization獨(dú)立于任何特定的數(shù)據(jù)庫管理系統(tǒng)行為物理的要求。CDM含有實(shí)體,屬性,關(guān)系、領(lǐng)域、數(shù)據(jù)項(xiàng)目和業(yè)務(wù)規(guī)則。FK和指定創(chuàng)建索引列名稱和其他共同特點(diǎn)。數(shù)據(jù)倉庫或數(shù)據(jù)集市數(shù)據(jù)庫操作傳輸數(shù)據(jù),從運(yùn)算數(shù)據(jù)庫,和聚攏所有可能需要。索商務(wù)信息中存在的不同維度的數(shù)據(jù)庫。數(shù)據(jù)庫配置文件對話框顯示，在供應(yīng)商名單出現(xiàn)相同的接口。顯示數(shù)據(jù)庫的配置文件彈出菜單，選擇連接。
【正文】 ate a new PDM. You can create as many diagrams as you need in a CDM, LDM, or PDM. 7. [optional] Click the Extended Model Definitions tab, and select one or more extended model definitions to attach to your model. 8. Click OK to create the new data model in the current Workspace. to a database To establish or change a database connection in PowerBuilder, use a database profile. You can select the database profile for the database you want to access in the Database Profiles dialog box. Using the Database painter to select a database profile You can also select the database profile for the database you want to access from the Database painter’s Objects view. However, this method uses more system resources than using the Database Profile dialog box. Selecting a database profile You can select a database profile from the Database Profiles dialog box. To connect to a database using the Database Profiles dialog box: 1 Click the Database Profile button in the PowerBar. or Select ToolsDatabase Profile from the PowerBar. Database Profile button If your PowerBar does not include the Database Profile button, use the customize feature to add the button to the PowerBar. Having the Database Profile button on your PowerBar is useful if you frequently switch connections between different databases. For instructions on customizing toolbars, see the User’s Guide. The Database Profiles dialog box displays, listing your installed database interfaces. Where the interface list es from When you run the Setup program, it updates the Vendors list in the registry with the interfaces you install. The Database Profiles dialog box displays the same interfaces that appear in the Vendors list. 2 Click the plus sign (+) to the left of the interface you are using. or Doubleclick the name. The list expands to display the database profiles defined for your interface. 3 Select the name of the database profile you want to access and click Connect. or Display the popup menu for a database profile and select Connect. PowerBuilder connects to the specified database and returns you to the painter workspace. From: Sybase PowerDesigner
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