You can only reference element declarations within sequences, sets of choices, unordered groups, and named group definitions.
Each reference may contain distinct values for minOccurs and maxOccurs.
File: Data.xml
1111111111
Java
name
1998-11-26
2000-02-12
Swing
1996-08-22
Yes
JSP
1997-10-04
No
File: Schema.xsd