CLASS clause
The java-class-name parameter is the name of one or more Java class to be removed. These classes must be installed classes in the current database.
JAR clause
The jar-name is a single-quoted character string value of maximum length 255.
Each jar-name must be equal to the jar-name of a retained jar in the current database. Equality of jar-name is determined by the character string comparison rules of the SQL system.
Removes a class or jar file from the database. The class or jar must already be installed. When a class is removed it is no
longer available for use as a column or variable type.
This statement is not supported on Windows Mobile.