i tried the mysqldump command and i took these:

[root@students bin]# ./mysqldump anal3 first_tab
# MySQL dump 5.10

# Host: localhost Database: anal3
#--------------------------------------------------------
# Server version 3.22.8-beta
./mysqldump: Can't get info about table: 'first_tab'
error: Lost connection to MySQL server during query
[root@students bin]# ./mysqldump anal3
# MySQL dump 5.10

# Host: localhost Database: anal3
#--------------------------------------------------------
# Server version 3.22.8-beta
./mysqldump: Can't get info about table: 'first_tab'
error: Lost connection to MySQL server during query