diff --git a/initialize/migrate/database/02141_order_iap_token.down.sql b/initialize/migrate/database/02141_order_iap_token.down.sql
new file mode 100644
index 0000000..364e691
--- /dev/null
+++ b/initialize/migrate/database/02141_order_iap_token.down.sql
@@ -0,0 +1,13 @@
+-- Remove app_account_token column from order table if it exists
+SET @col_exists = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'order' AND COLUMN_NAME = 'app_account_token');
+SET @sql = IF(@col_exists = 1, 'ALTER TABLE `order` DROP COLUMN `app_account_token`', 'SELECT 1');
+PREPARE stmt FROM @sql;
+EXECUTE stmt;
+DEALLOCATE PREPARE stmt;
+
+-- Remove subscription_user_id column from order table if it exists
+SET @col_exists2 = (SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_SCHEMA = DATABASE() AND TABLE_NAME = 'order' AND COLUMN_NAME = 'subscription_user_id');
+SET @sql2 = IF(@col_exists2 = 1, 'ALTER TABLE `order` DROP COLUMN `subscription_user_id`', 'SELECT 1');
+PREPARE stmt2 FROM @sql2;
+EXECUTE stmt2;
+DEALLOCATE PREPARE stmt2;
diff --git a/initialize/migrate/database/02148_log_message_column_sizes.down.sql b/initialize/migrate/database/02148_log_message_column_sizes.down.sql
new file mode 100644
index 0000000..9534d8d
--- /dev/null
+++ b/initialize/migrate/database/02148_log_message_column_sizes.down.sql
@@ -0,0 +1,7 @@
+ALTER TABLE `log_message`
+  MODIFY COLUMN `app_version` VARCHAR(32) NULL,
+  MODIFY COLUMN `os_name` VARCHAR(32) NULL,
+  MODIFY COLUMN `os_version` VARCHAR(32) NULL,
+  MODIFY COLUMN `device_id` VARCHAR(64) NULL,
+  MODIFY COLUMN `session_id` VARCHAR(64) NULL,
+  MODIFY COLUMN `error_code` VARCHAR(64) NULL;
diff --git a/initialize/migrate/database/02148_log_message_column_sizes.up.sql b/initialize/migrate/database/02148_log_message_column_sizes.up.sql
new file mode 100644
index 0000000..c80b982
--- /dev/null
+++ b/initialize/migrate/database/02148_log_message_column_sizes.up.sql
@@ -0,0 +1,7 @@
+ALTER TABLE `log_message`
+  MODIFY COLUMN `app_version` VARCHAR(64) NULL,
+  MODIFY COLUMN `os_name` VARCHAR(64) NULL,
+  MODIFY COLUMN `os_version` VARCHAR(64) NULL,
+  MODIFY COLUMN `device_id` VARCHAR(255) NULL,
+  MODIFY COLUMN `session_id` VARCHAR(255) NULL,
+  MODIFY COLUMN `error_code` VARCHAR(128) NULL;
diff --git a/initialize/migrate/database/02149_user_device_user_agent_length.down.sql b/initialize/migrate/database/02149_user_device_user_agent_length.down.sql
new file mode 100644
index 0000000..0ba4edd
--- /dev/null
+++ b/initialize/migrate/database/02149_user_device_user_agent_length.down.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `user_device`
+  MODIFY COLUMN `user_agent` VARCHAR(64) NULL COMMENT 'Device User Agent.';
diff --git a/initialize/migrate/database/02149_user_device_user_agent_length.up.sql b/initialize/migrate/database/02149_user_device_user_agent_length.up.sql
new file mode 100644
index 0000000..e1057dc
--- /dev/null
+++ b/initialize/migrate/database/02149_user_device_user_agent_length.up.sql
@@ -0,0 +1,2 @@
+ALTER TABLE `user_device`
+  MODIFY COLUMN `user_agent` VARCHAR(255) NULL COMMENT 'Device User Agent.';