/* Database summary for: a_ex */
/* Number of blocks: 4 */
/*   0  n=   6   a_ex001.blk */    2018/10/30  14:16:07  to   2018/10/30  14:24:49
/*   1  n=  30   a_ex002.blk */    2018/10/30  14:54:38  to   2018/10/30  15:51:29
/*   2  n=  59   a_ex003.blk */    2018/10/30  20:04:56  to   2018/10/30  22:00:11
/*   3  n=   8   a_ex004.blk */    2018/10/31  10:14:58  to   2018/10/31  10:36:44