Data-type Each field must have a data-type Choosing the correct data-type is important Helps ensure only valid data is entered Allows you to use features related to the data-type Commonly used data-types are: Text Number Date Yes/No Creating Tables Presentation Unit 16 Other Field Settings A...
whenever any two tuples t1 and t2 of r agree on the attributes (在上取值相同), they also agree on the attributes . That is, t1[] = t2 [] t1[ ] = t2 [ ] 另一定义:一但的值确定了,就一定能唯一确定的值...
Sign in to download full-size image Figure 11.8.DBMS selection in AllFusion ERwin Data Modeler. Picture from Computer Associates (http://iua.org.uk/conference/Autumn%202003/Ruth%20Wunderle.ppt#9). View chapterExplore book
a下阶段我们将作进一步的努力来完善它 The next stage we will do further consummate it diligently [translate] aJod description Jod描述 [translate] aUpdate database and make ppt presentation related procurement 更新数据库并且做ppt介绍相关的获得 [translate] ...
→Download all course slides in PPT format in a ZIP archive (Mandarin version). 以ZIP存档下载PPT格式的所有课程幻灯片(普通话版)。 *Download a presentation covering the book's features* Endorsements “This book covers everything you will need to teach in a database implementation and design class...
She asks everyone to elaborate their answers individually, by doing so she develops the presentation skills of the students. Thank you so much Ms. Kathy for being a wonderful trainer. Dhrupal Patel 6 months ago Ms. Kathy is a great trainer with thorough knowledge. She is very lively during...
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//Creates a Presentation instanceIPresentation pptxDoc = Presentation.Create();//Adds a blank slide to the PresentationISlide slide = pptxDoc.Slides.Add(SlideLayoutType.Blank);//Adds chart to the slide with position and sizeIPresentationChart chart = slide.Charts.AddChart...
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