Extension:CentralNotice/cn notice mixin params table

nmxnp_id
Primary key.

Schema summary
mysql> describe cn_notice_mixin_params; +---++--+-+-++ +---++--+-+-++ +---++--+-+-++
 * Field                | Type           | Null | Key | Default | Extra          |
 * nmxnp_id             | int(11)        | NO   | PRI | NULL    | auto_increment |
 * nmxnp_notice_mixin_id | int(11)       | NO   | MUL | NULL    |                |
 * nmxnp_param_name     | varbinary(255) | NO   | MUL | NULL    |                |
 * nmxnp_param_value    | blob           | NO   |     | NULL    |                |