MINI

C:/app/Administrator/product/11.2.0/dbhome_1/owb/bin/admin/namespaceConfig/

files >> C:/app/Administrator/product/11.2.0/dbhome_1/owb/bin/admin/namespaceConfig/db2_naming_rule.xml

 <name_rules>
     <name_length length='48' semantics='character' />

     <!--name_case case_preserved='true'  upper_casing_always ='true' lower_casing_always='true'/-->

     <illegal_characters value='~!@#$%^&amp;*()+'/>

     <illegal_leading_chars  value='1234567890~!@#$%^&amp;*()_+/&lt;&gt;;&apos;:"' />

     <escape_char value='"' />

     <closure_char value='"' />

<!-- the db2 reserved words got from: http://publib.boulder.ibm.com/infocenter/db2luw/v9/index.jsp?topic=/com.ibm.db2.udb.admin.doc/doc/r0001095.htm -->
     <reserved_names location='db2_reservedWords.txt' />

</name_rules>