By Paul Holden, Brendan Munnelly
Module five: Databases This module develops your figuring out of the fundamental thoughts of databases, and should train you the way to take advantage of a database on a private laptop. The module is split in sections; the 1st part covers how you can layout and plan an easy database utilizing a typical database package deal; the second one part teaches you ways to retrieve details from an latest database through the use of the question, pick out and type instruments to be had within the data-base, and likewise develops your skill to create and alter experiences. comprises: * computing device phrases and ideas defined in undeniable English * monitor photographs and illustrations to steer the coed in the course of the Microsoft home windows 95/98 and Microsoft place of work ninety seven functions *"How to" details dependent upon sensible examples of daily projects. * brief cuts and insider counsel drawn from actual international adventure of desktop pros * precis of serious details * effortless to stick with workouts every thing you must cross the ecu laptop riding Licence module by means of module
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ECDL 95 97 (ECDL3 for Microsoft Office 95 97) Database
Module five: Databases This module develops your realizing of the elemental techniques of databases, and should educate you ways to take advantage of a database on a private machine. The module is split in sections; the 1st part covers how you can layout and plan an easy database utilizing a typical database package deal; the second one part teaches you ways to retrieve details from an present database through the use of the question, opt for and type instruments on hand within the data-base, and in addition develops your skill to create and adjust stories.
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8219 Chapter 2 (19-36) 30 5/10/01 12:33 pm Page 30 Database Step six: Entering data in your table When you create a new table, Access displays the table initially in Datasheet view as follows: • Along the top are column headings that show your field names • Underneath the column headings is a single, blank row Click in any field: you can then enter data in that field. You can move from field to field using the TAB key or the ARROW keys. There is an exception: the Number field (your primary key) is automatically assigned by Access – you cannot enter a new number or change an existing one.
8219 Chapter 2 (19-36) 28 5/10/01 12:33 pm Page 28 Database In the same dialog box, Access then asks you whether you want the Wizard to set a primary key, or whether you want to do it yourself. Okay, let’s talk about keys. Step five: Setting your primary key In the telephone directory there are many people listed with the surname Murphy; a number of them share the same first name, John. To find the one you want, you need some more information: where do they live? Even that might not be enough – father and son might have the same name, for example – and you might have to ask them some further questions to confirm that you are talking to the right one.
Step three: Selecting your fields The first screen of the Table Wizard shows three list boxes. The first displays Access’s sample tables. ) The second list shows all the fields supplied with the selected sample table. And the third list shows the fields that you have decided to include in your new table. Initially, the third list is empty. To move a field from the Sample Fields box to the Fields in my new table box, click on it to select it, and then click the > button. If you change your mind about a particular field, 8219 Chapter 2 (19-36) 26 5/10/01 12:33 pm Page 26 Database select it in the right-hand box and click the < button.