The following properties are applicable to an Informix Table Column object.
|
Tab |
Property |
Description |
Additional Information |
|---|---|---|---|
| Physical Name | Specifies the physical name of the column | ||
| Domain Parent | Specifies the domain parent of the column | ||
| Physical Data Type | Specifies the physical data type for the selected column | ||
| Primary Key | Specifies the column as the table's primary key | ||
| Foreign Key | Specifies whether the column is a foreign key | ||
| Physical Only | Specifies whether the column is included in the physical model only | ||
| SDI | Specifies whether the column contains Personally Identifiable Information (SDI) | ||
| Comments | Specifies comments about the column | ||
| General | Null Option | Specifies the usage of the NULL clause for the selected column |
Null: Indicates that null values are allowed Not Null: Indicates that null values are not allowed |
| Informix | Average Width | Specifies an estimated average width for the column, if variable width is allowed | |
| Percent Null | Specifies an estimated percentage of nulls used for that column | Use only whole numbers | |
| In | Specifies the name of the Informix blobspace to store the current column | If this field is left blank, data in the current column is stored with the rest of the table | |
| Constraint | Use Inherited Constraint | Specifies whether the validation rule is inherited from the column's domain | |
| Name | Specifies the name of the inherited validation rule to be attached to the selected column | ||
| Validation | Specifies the validation rule to attach to the selected column | Available when Use Inherited Constraint is not selected | |
| Use Inherited Default Value | Specifies whether the property is inherited from the column's domain | ||
| Name | Specifies the name of the default value to be attached to the selected column | ||
| Default | Specifies the default value to attach to the selected column | Available when Use Inherited Default Value is not selected | |
| Link | Link Name | Specifies the user-defined link name | You can use the Link Wizard to create and manage link objects and define the link object properties. For more information on the Link Wizard refer to the Link Wizard topic. |
| Linked To | Specifies the linked column name | ||
| Synch Direction | Specifies the synchronization direction of the link | ||
| Definition | Specifies the definition of the link | ||
| Indexes | Show FK Indexes | Specifies whether foreign key indexes appear in the index membership list | |
| Index Name | Specifies the indexes in which the selected column is a member | ||
| Type | Specifies the index type |
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