$ bash llil_sql_imp2 hash1.db big1.txt
$ bash llil_sql_imp2 hash2.db big3.txt
$ bash llil_sql_imp2 hash3.db big3.txt

$ time bash llil_sql_qryn hash1.db hash2.db hash3.db >out.txt

real  0m9.650s
user  0m9.534s
sys   0m0.106s