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Dialog of the description of the structure of the attribute of the table type |
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This dialog allows you to set or edit the structure description for the table attribute type.
Description of Controls
The element |
Description |
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Name |
In this field, you must enter or edit the name of the attribute type. |
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Unique Type Number |
This field displays a special number that the system automatically assigns to this type. |
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Constant Length Variable length |
Select the desired type of attribute type Table |
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Number of Rows |
Enter the desired value in the field. Available when choosing a table type Variable length. |
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The bottom part of the dialog displays a table that is used to create or edit a description of the type structure. Each row contains information defining the way a column is formed in an attribute. |
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Number |
Automatically assigned column number |
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Column name |
This field specifies the name (title) for the attribute column. |
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Column Type |
This field sets the data type in the column. To open the data type change dialog, left-click on the field and then click the Change type button. |
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Value Range |
This field sets the range of values allowed for the data in the column. To change the range of values, left-click on the field and then click the button that appears, the name of which depends on the type of data in the column. |
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Default value |
In this field, you can enter a default value for the column. |
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Add |
To add a new attribute type column, click. |
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Delete |
To delete a column, select it and click the button. |
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Move |
To change the position of the active row, click the button and point the mouse to the new position of the row. |
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Password |
If necessary, you can set an access password to the attribute type structure (for example, to protect against unauthorized editing of the structure). To open the password assignment dialog, click the button. |
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After the description of the structure of the table attribute type is complete, click OK. Click Cancel to discard all changes in structure and close the dialog box.