`information_schema.views.collation_connection`

mysql

type: VARCHAR NOT NULL

5.7-8

type: NULL

Note:

The client collation when the view was created, from the session value of the collation_connection system variable.

5.1-10.8

type: VARCHAR NOT NULL

Note:

The client collation when the view was created, from the session value of the collation_connection system variable.

type: VARCHAR(32) NOT NULL

Note:

The value of the collation_connection session variable when the view is created.

4-6.1