GIS ObjectLand. User Manual
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“Properties of feature type” for a map. Page “Links”

Purpose

This page of the property sheet serves for viewing existing links of map layer feature type with GDB tables as well as with tables and queries of EDB, for setting and breaking such links and for changing link modes.

Panes

Pane of scheme of links

The scheme of links displays all set links of the present feature type with internal GDB tables and with tables and queries of all available EDBs, including those which are closed at the moment.

For each link with internal GDB table the link mode is indicated: (unique link) or (multiple link).

Each EDB with tables and queries of which there is a link is displayed as a separate branch of the tree of the scheme of links.

A direct link with EDB table or query is displayed by a sign of a single arrow which points at the corresponding table or query. Apart from a name of a table or a query the scheme displays a name and type of field of direct link.

An indirect link is displayed by a sign of a double arrow . The scheme shows names of EDB table/query and of used cross table, as well as names and types of fields of indirect link in EDB table/query and in the cross table.

If the feature type is linked with table or query of EDB which is closed at the moment, a red crossed out circle is added to the sign near the name of the table/query: . In this case names of link fields are not displayed.

Buttons

Create

Creates a new link of the present feature type with one of internal GDB tables or with one of tables or queries of EDB. Link creating wizard is started.

Change

Changes link modes between the present feature type and internal GDB table or EDB table/query selected in the scheme of links. Link changing wizard is started.

Remove

Breaks the link between the present feature type and internal GDB table or EDB table/query selected in the scheme of links.

See also

Properties of map feature types

Links between map feature types and tables

Additional navigation window

“Properties of feature type” for a theme. Page “Links”

Wizard of creating/changing link between feature types and tables

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