b2d3d22d_exes_Activity_on_DB2_for_i5_OS__System_column_name
[Column name] NLSS_TABLE_SCHEMA [Data type] CHAR(10) [Description] Library name of the NLSS table [System column name] 
NLSSDBNAME
IBM Redbooks | Index Advisor Surfaces Maintained Temporary Indexes Activity on DB2 for i5/OS
System column name