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Laboratory work №5. Development of database structure, creation of tables and queries.. Theme: Tables and relations in MS Access.. Worker ID. Building ID



Laboratory work №5

Development of database structure, creation of tables and queries.

Theme: Tables and relations in MS Access.

TASK: Create the database Constructionconsisting of three tables: Workers, Components (Assignment) and Building.

Procedure of laboratory work:

1. Open the MS Access program, the following dialog box appears when you run the program:

Select Blank Database, enter a name of the database: “Construction”, change the location of the file clicking on folder icon and then Create.

 

In this site you will create a file with the extension accdb, which, in future, will be automatically updated when you change the base. Next, the Database window appears:

· Select on the tab “Create” command “Table design” or right-click on the Table1 – Design View.

 

 

 

 

2. We form structure of table Component (Assignment) of database "Construction". In the column Field name enter:

Worker ID

Building ID

Date

Number of the working days    – type in accordance with a pattern.

3. Specify fields Worker ID and Building ID as the Primary Key. Select them and click the Primary Keybutton on the toolbarDesign.

· In the Navigation Pane, right-click the table for which you want to set the primary key and then click Design View on the shortcut menu.

· Select the field or fields that you want to use as the primary key.

TIP: To select more than one field, hold down CTRL while you click the fields.

· On the Design tab, in the Tools group, click Primary Key. A key indicator appears to the left of the field or fields that you specify as the primary key.

· Press CTRL+S to save your table design changes.

 

 

4. Close the table window, saving changes.

5. Fill in the table of information, to do this, select it and double-click or right-click and click Open. Enter at least 10 entries.

6. Similarly create the table:

Workers with fields:

Worker ID – key field



  

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