$ ls -al *.out
-rw-r--r-- 1 ken None  1839 Oct 24 03:50 trace_dbi_1.out
-rw-r--r-- 1 ken None  1853 Oct 24 03:51 trace_dbi_1_sql.out
-rw-r--r-- 1 ken None 16771 Oct 24 04:14 trace_dbi_15.out
-rw-r--r-- 1 ken None 16893 Oct 24 04:15 trace_dbi_15_sql.out
-rw-r--r-- 1 ken None  6512 Oct 24 03:45 trace_dbi_4.out
-rw-r--r-- 1 ken None  6570 Oct 24 03:45 trace_dbi_4_sql.out
-rw-r--r-- 1 ken None 10574 Oct 24 04:02 trace_dbi_5.out
-rw-r--r-- 1 ken None 10632 Oct 24 04:03 trace_dbi_5_sql.out