diff --git a/broker/migrate/h2/V58__conference_add_column.sql b/broker/migrate/h2/V58__conference_add_column.sql
new file mode 100755
index 00000000..5ca3a91a
--- /dev/null
+++ b/broker/migrate/h2/V58__conference_add_column.sql
@@ -0,0 +1,3 @@
+ALTER TABLE `t_conference` ADD COLUMN `_delete_by` varchar(64) DEFAULT '';
+ALTER TABLE `t_conference` ADD COLUMN `_deleted` tinyint DEFAULT 0;
+ALTER TABLE `t_conference` ADD COLUMN `_delete_dt` bigint(20) DEFAULT 0;
diff --git a/broker/migrate/mysql/V68__conference_add_column.sql b/broker/migrate/mysql/V68__conference_add_column.sql
new file mode 100755
index 00000000..5ca3a91a
--- /dev/null
+++ b/broker/migrate/mysql/V68__conference_add_column.sql
@@ -0,0 +1,3 @@
+ALTER TABLE `t_conference` ADD COLUMN `_delete_by` varchar(64) DEFAULT '';
+ALTER TABLE `t_conference` ADD COLUMN `_deleted` tinyint DEFAULT 0;
+ALTER TABLE `t_conference` ADD COLUMN `_delete_dt` bigint(20) DEFAULT 0;