MySQL Tutorial/Data Dictionary/user

user table structure

mysql>
mysql>
mysql> use mysql
Database changed
mysql> desc user;
+-----------------------+-----------------------------------+------+-----+---------+-------+
| Field                 | Type                              | Null | Key | Default | Extra |
+-----------------------+-----------------------------------+------+-----+---------+-------+
| Host                  | char(60)                          | NO   | PRI |         |       |
| User                  | char(16)                          | NO   | PRI |         |       |
| Password              | char(41)                          | NO   |     |         |       |
| Select_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Insert_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Update_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Delete_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Create_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Drop_priv             | enum("N","Y")                     | NO   |     | N       |       |
| Reload_priv           | enum("N","Y")                     | NO   |     | N       |       |
| Shutdown_priv         | enum("N","Y")                     | NO   |     | N       |       |
| Process_priv          | enum("N","Y")                     | NO   |     | N       |       |
| File_priv             | enum("N","Y")                     | NO   |     | N       |       |
| Grant_priv            | enum("N","Y")                     | NO   |     | N       |       |
| References_priv       | enum("N","Y")                     | NO   |     | N       |       |
| Index_priv            | enum("N","Y")                     | NO   |     | N       |       |
| Alter_priv            | enum("N","Y")                     | NO   |     | N       |       |
| Show_db_priv          | enum("N","Y")                     | NO   |     | N       |       |
| Super_priv            | enum("N","Y")                     | NO   |     | N       |       |
| Create_tmp_table_priv | enum("N","Y")                     | NO   |     | N       |       |
| Lock_tables_priv      | enum("N","Y")                     | NO   |     | N       |       |
| Execute_priv          | enum("N","Y")                     | NO   |     | N       |       |
| Repl_slave_priv       | enum("N","Y")                     | NO   |     | N       |       |
| Repl_client_priv      | enum("N","Y")                     | NO   |     | N       |       |
| Create_view_priv      | enum("N","Y")                     | NO   |     | N       |       |
| Show_view_priv        | enum("N","Y")                     | NO   |     | N       |       |
| Create_routine_priv   | enum("N","Y")                     | NO   |     | N       |       |
| Alter_routine_priv    | enum("N","Y")                     | NO   |     | N       |       |
| Create_user_priv      | enum("N","Y")                     | NO   |     | N       |       |
| ssl_type              | enum("","ANY","X509","SPECIFIED") | NO   |     |         |       |
| ssl_cipher            | blob                              | NO   |     |         |       |
| x509_issuer           | blob                              | NO   |     |         |       |
| x509_subject          | blob                              | NO   |     |         |       |
| max_questions         | int(11) unsigned                  | NO   |     | 0       |       |
| max_updates           | int(11) unsigned                  | NO   |     | 0       |       |
| max_connections       | int(11) unsigned                  | NO   |     | 0       |       |
| max_user_connections  | int(11) unsigned                  | NO   |     | 0       |       |
+-----------------------+-----------------------------------+------+-----+---------+-------+
37 rows in set (0.02 sec)
mysql> use test
Database changed