Howto check DB2 table size
db2 "select substr(a.tabschema,1,40) as TABLE_SCHEMA, substr(a.tabname,1,40) as TABLE_NAME, card, stats_time, sum(avgcollen) as ROW_LENGTH from syscat.tables a,syscat.columns b where a.tabschema = b.tabschema and a.tabname = b.tabname and a.tabschema not like '%SYS%' group by substr(a.tabschema,1,40),substr(a.tabname,1,40),card,stats_time order by card desc with ur"