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Chapter 18 - Data Model - Visual Paradigm

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SDE-VS User’s Guide (Part 2, for ORM) <strong>Chapter</strong> <strong>18</strong> –<strong>Data</strong> <strong>Model</strong><br />

Modifying the Entity Specification<br />

<strong>18</strong>-4<br />

1. To display the Entity Specification, right-click the entity element, click Open Specification.<br />

Entity Specification dialog box is displayed, you can modify the entity properties and constraints.<br />

Figure <strong>18</strong>.4 - Entity Specification dialog<br />

Adding new Column to the Entity<br />

1. You can add a new column to the entity in one of the three ways:<br />

• Right-click on an entity, select New Column.<br />

Figure <strong>18</strong>.5 - Create a columns<br />

A new column is added, type the column name and type in the form of "column_name: type". You can also edit the column<br />

name by double-clicking the column name or by pressing the F2 button.<br />

• Click on an entity, press the keyboard shortcut - Alt + Shift + C.<br />

• Alternative:<br />

1. Right-click the entity element, click Open Specification.<br />

2. Click the Columns Tab, then click Add.<br />

Column Specification dialog box is displayed, you can modify the column name and properties, such as<br />

type.<br />

Figure <strong>18</strong>.6 - Entity Specification (Columns Tab)

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