b2d3d22d_exes_Activity_on_DB2_for_i5_OS__System_column_name
[Column name] INDEX_TYPE [Data type] CHAR(14) [Description] Radix (default) or EVI [System column name] 
INDEX_TYPE
IBM Redbooks | Index Advisor Surfaces Maintained Temporary Indexes Activity on DB2 for i5/OS
System column name