1.0 1 1 ( nl_join ( i_scan ncsysqueryplans ( table ( a sysqueryplans ) ) ) ( i_scan csysqueryplans ( table ( b sysqueryplans ) ) ) ) ( prop ( table ( a sysqueryplans ) ) ( parallel 1 ) ( prefetch 4 ) ( lru ) ) ( prop ( table ( b sysqueryplans ) ) ( parallel 1 ) ( prefetch 4 ) ( lru ) ) ]]> 6 5.999998 8 0 0 2521428102362431488 2521428102362431488 2 1 159744 sysqueryplans uid gid id type uid gid id type uid gid id uid gid id type 4 1 0 0 273.3559 0 1 3 1 0 0 273.3559 0 1 2 1 0 0 273.3559 0 2 0 1 3 2.999999 148.178 0 1 0 0 sysqueryplans a IndexScan ncsysqueryplans 3 ForwardScan StartOfIndex 4 LRU 4 LRU 1 1 3 2.999999 142.178 0 0 0 1 sysqueryplans b IndexScan csysqueryplans 2 ForwardScan ByKey uid Ascending gid Ascending 4 LRU 4 LRU