/* Database summary for: a_ex */
/* Number of blocks: 4 */
/*   0  n= 219   a_ex001.blk */    2018/11/16  13:35:51  to   2018/11/16  21:13:07
/*   1  n= 300   a_ex002.blk */    2018/11/17  10:01:23  to   2018/11/17  20:01:22
/*   2  n=  91   a_ex003.blk */    2018/11/17  20:03:22  to   2018/11/17  23:02:35
/*   3  n=  97   a_ex004.blk */    2018/11/18  10:02:49  to   2018/11/18  13:14:49