diff --git a/migrations/sql/20251119_add_encrypted_data_to_files.sql b/migrations/sql/20251119_add_encrypted_data_to_files.sql
index 33dbb2d..83d2b23 100644
--- a/migrations/sql/20251119_add_encrypted_data_to_files.sql
+++ b/migrations/sql/20251119_add_encrypted_data_to_files.sql
@@ -1,22 +1,9 @@
 -- Add encrypted_data column to files table for deletion recovery
 -- This column stores encrypted file data for recovery purposes
+-- Date: 2025-11-19
 
-SET @column_exists = (
-    SELECT COUNT(*) 
-    FROM INFORMATION_SCHEMA.COLUMNS 
-    WHERE TABLE_SCHEMA = DATABASE() 
-    AND TABLE_NAME = 'files' 
-    AND COLUMN_NAME = 'encrypted_data'
-);
-
-SET @add_column_sql = IF(@column_exists = 0, 
-    'ALTER TABLE files ADD COLUMN encrypted_data LONGBLOB NULL AFTER key_id',
-    'SELECT "Column encrypted_data already exists" AS Info'
-);
-
-PREPARE stmt FROM @add_column_sql;
-EXECUTE stmt;
-DEALLOCATE PREPARE stmt;
+ALTER TABLE files
+ADD COLUMN IF NOT EXISTS encrypted_data LONGBLOB NULL COMMENT 'Encrypted file data for recovery' AFTER key_id;
 
 
 
diff --git a/migrations/sql/20251119_migrate_operation_types.sql b/migrations/sql/20251119_migrate_operation_types.sql
index 416e206..efebd05 100644
--- a/migrations/sql/20251119_migrate_operation_types.sql
+++ b/migrations/sql/20251119_migrate_operation_types.sql
@@ -32,6 +32,8 @@ WHERE is_deleted = 0
 -- 5. Keep RENAME as is (no change needed)
 -- RENAME operations remain as RENAME
 
+-- Migration complete
+
 
 
 
diff --git a/migrations/sql/20251119_redefine_operation_type.sql b/migrations/sql/20251119_redefine_operation_type.sql
index 69c366b..b311344 100644
--- a/migrations/sql/20251119_redefine_operation_type.sql
+++ b/migrations/sql/20251119_redefine_operation_type.sql
@@ -2,14 +2,8 @@
 -- Date: 2025-11-19
 
 -- Change operation_type column to support CREATE, UPDATE, DELETE, RENAME, RESTORE
-ALTER TABLE files 
-MODIFY COLUMN operation_type ENUM('CREATE', 'UPDATE', 'DELETE', 'RENAME', 'RESTORE', 'UPLOAD') 
-DEFAULT 'CREATE' 
+-- Using CHANGE COLUMN instead of MODIFY COLUMN for better prepared statement compatibility
+ALTER TABLE files
+CHANGE COLUMN operation_type operation_type ENUM('CREATE', 'UPDATE', 'DELETE', 'RENAME', 'RESTORE', 'UPLOAD')
+DEFAULT 'CREATE'
 COMMENT 'File operation type: CREATE=new file, UPDATE=new version, DELETE=deleted, RENAME=renamed, RESTORE=restored from deletion, UPLOAD=legacy';
-
-
-
-
-
-
-