information_schema.events.collation_connection

mysql

type: VARCHAR NOT NULL
5.7-8

mariadb

type: NULL
Note:
collation_connection system variable session value at the time the event was created.
© 2022 MariaDB
5.1-10.8
type: VARCHAR NOT NULL
Note:
collation_connection system variable session value at the time the event was created.
© 2022 MariaDB
10.2-10.7

tidb

postgres

cockroachdb

mssql