`information_schema.processlist.id`

mysql

type: BIGINT NOT NULL

5.7-8

mariadb

type: NULL

Note:

Connection identifier.

© 2022 MariaDB

5.1-10.8

type: BIGINT NOT NULL

Note:

Connection identifier.

© 2022 MariaDB

10.2-10.7

tidb

type: BIGINT(21) UNSIGNED NOT NULL

Note:

The ID of the user connection.

© 2022 PingCAP

4-6.1

postgres

cockroachdb

mssql