diff --git a/db/mysql/migrations/02_report_schema_session_data/migration.sql b/db/mysql/migrations/02_report_schema_session_data/migration.sql
index 49708899..1649ace2 100644
--- a/db/mysql/migrations/02_report_schema_session_data/migration.sql
+++ b/db/mysql/migrations/02_report_schema_session_data/migration.sql
@@ -1,9 +1,9 @@
 -- AlterTable
-ALTER TABLE `event_data` RENAME COLUMN `event_data_type` TO `data_type`;
-ALTER TABLE `event_data` RENAME COLUMN `event_date_value` TO `date_value`;
-ALTER TABLE `event_data` RENAME COLUMN `event_id` TO `event_data_id`;
-ALTER TABLE `event_data` RENAME COLUMN `event_numeric_value` TO `number_value`;
-ALTER TABLE `event_data` RENAME COLUMN `event_string_value` TO `string_value`;
+ALTER TABLE `event_data` CHANGE `event_data_type` `data_type` INTEGER UNSIGNED NOT NULL;
+ALTER TABLE `event_data` CHANGE `event_date_value` `date_value` TIMESTAMP(0) NULL;
+ALTER TABLE `event_data` CHANGE `event_id` `event_data_id` VARCHAR(36) NOT NULL;
+ALTER TABLE `event_data` CHANGE `event_numeric_value` `number_value` DECIMAL(19,4) NULL;
+ALTER TABLE `event_data` CHANGE `event_string_value` `string_value` VARCHAR(500) NULL;
 
 -- CreateTable
 CREATE TABLE `session_data` (
@@ -50,4 +50,4 @@ WHERE data_type = 2;
 
 UPDATE event_data
 SET string_value = CONCAT(REPLACE(DATE_FORMAT(date_value, '%Y-%m-%d %T'), ' ', 'T'), 'Z')
-WHERE data_type = 4;
\ No newline at end of file
+WHERE data_type = 4;