You can delete user-defined data types (domains) using Sybase Central.
Prérequis
You must have the DROP DATATYPE or DROP ANY OBJECT system privilege.
A domain cannot be dropped if any variable or column in the database uses the domain. Drop or alter any columns or variables of that use the domain before you drop the domain.
In Sybase Central, use the SQL Anywhere 16 plug-in to connect to the database.
In the left pane, double-click Domains.
In the right pane, right-click the domain and click Delete.
Click Yes.
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