#### 27.12.17.3 The firewall\_membership Table

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 The [`firewall_membership`](performance-schema-firewall-membership-table.html) table provides a view into the in-memory data cache for MySQL Enterprise Firewall. It lists the members (accounts) of registered firewall group profiles. It is used in conjunction with the `mysql.firewall_membership` system table that provides persistent storage of firewall data; see [MySQL Enterprise Firewall Tables](firewall-reference.html#firewall-tables).

 The [`firewall_membership`](performance-schema-firewall-membership-table.html) table has these columns:

* `GROUP_ID`

   The group profile name.

* `MEMBER_ID`

   The name of an account that is a member of the profile.

 The [`firewall_membership`](performance-schema-firewall-membership-table.html) table has no indexes.

[`TRUNCATE TABLE`](truncate-table.html) is not permitted for the [`firewall_membership`](performance-schema-firewall-membership-table.html) table.

 The [`firewall_membership`](performance-schema-firewall-membership-table.html) table was added in MySQL 8.0.23.

