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MS SQL Maestro online Help

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Fields

Table Columns are created and edited in MS SQL Maestro within the Field Editor.

 

The topics below describe each of these actions in detail.

 

 

Table fields are created within the Field Editor dialog window. In order to open the dialog you should either

 

•open the table in Table Editor and the Fields tab there;
•press the Insert key or select the Add New Field... item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar)

or

•select the table in the explorer tree and use the Create New Field popup menu item

or

•select the table Fields node or any field within the table in the explorer tree and use the Add New Field... popup menu item.

 

 

 

Table fields are edited within the Field Editor dialog window. In order to open the dialog you should either

 

•open the table in Table Editor and the Fields tab there;
•press the Enter key or select the Edit Field item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar)

or

•select the field to edit in the explorer tree and use the Edit Field popup menu item.

       

You can change the name of the field using the Rename Field dialog. To open the dialog you should either

 

•select the field to rename in the explorer tree;
•select the Rename Field item from the popup menu

or

•open the table in Table Editor and the Fields tab there;
•select the field to rename;
•select the Rename Field item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar).

 

 

 

To drop the table field:

 

•select the field to drop in the explorer tree;
•select the Drop Field item from the popup menu

or

•open the table in Table Editor and the Fields tab there;
•press the Delete key or select the Drop Field item from the popup menu (alternatively, you may use the corresponding link of the Navigation Bar)

 

and confirm dropping in the dialog window.

 

 

 

Specify the Field Name and specify the Field Data Type by selecting it from the drop-down list.

 

Note: the name of the object must be unique among all the object names in the table. You can use any identifier that is allowed by Microsoft SQL server. XML schema collection

Used only in case xml is selected as Type. Applies only to the XML data type for associating an XML schema collection with the type. Before using you are to create the schema in the database first.
 

See also: XML schema collection
 

Content|Document

Denotes that each instance of the xml data type can contain multiple top-level elements (for Content) or only one top-level element (for Document).

 

Formula

Represents an expression that defines the value of a computed column. A computed column is a virtual column that is not physically stored in the table unless the column is checked Persisted.

 

To set the default value for the field use the Default value box. This value is always inserted to the table in this field when the field value is not specified in the insert query.

 

Rule

Binds the rule to a column data type. The rule is to be created in the database beforehand.

 

See also: Rules

 

The Comment box allows you to set optional text describing the field.

 

Parameters group options are described at the Field parameters topic.

 

For field identity properties see Setting field identity.



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