How to describe the single field in table by using mysql?

mysql> desc codingslover;
+----------+-------------+------+-----+---------+-------+
|Field|Type|Null|Key|Default|Extra|
+----------+-------------+------+-----+---------+-------+
|ProjId| varchar(20)| NO   | PRI | NULL    ||
|BranchId|int(11)| YES  || NULL    ||
|AddedOn| datetime    | YES  || NULL    ||
|Status|int(11)| YES  || NULL    ||
+----------+-------------+------+-----+---------+-------+
4 rows inset(0.00 sec)

mysql> desc codingslover ProjId;
+---------+-------------+------+-----+---------+-------+
|Field|Type|Null|Key|Default|Extra|
+---------+-------------+------+-----+---------+-------+
|ProjId| varchar(20)| NO   | PRI | NULL    ||
+---------+-------------+------+-----+---------+-------+
1 row inset(0.00 sec)