To import data from ArcSDE you can either :
There are a number of options for adding a layer to your map.
From filesystem to Layer View:
From filesystem to Map editor:
You can quickly add a layer from a web browser (or the embedded Web view):
Drag the URL of a WMS or WFS into the Layer view
You can specify exactly where in the Layer view you wish to add the Layer
The resource selection page will open up to allow you to choose which layers to add
The layer(s) will be created (with a default style) and added to your map
Select ArcSDE Cannot resolve external resource into attachment. from the Wizard
Enter your ArcSDE connection parameters
Used to add data from an ArcSDE server.
The first time you run this wizard you will be asked to locate some ESRI jars included with your server software.
Connection Parameters
Host
Server name (or ip address) where the ArcSDE gateway is running.
Port
Port number in wich the ArcSDE server is listening for connections. The default value is 5151
Credentials
Database
The specific database to connect to. Only applicable to certain databases. Value ignored if not applicable.
Press Next
Select layer(s) that will compose the new map
Press Finish
ArcSDE features will be added to the Catalog and a new map containing selected Layers will show up.
Related reference