diff --git a/script/sql/create/operation.sql b/script/sql/create/operation.sql
index 5ad2071..2d6d97b 100644
--- a/script/sql/create/operation.sql
+++ b/script/sql/create/operation.sql
@@ -1,4 +1,4 @@
-CREATE TYPE API_OPERATION AS ENUM ('add', 'delete', 'update');
+CREATE TYPE API_OPERATION AS ENUM ('init', 'add', 'delete', 'update');
 
 CREATE TABLE OPERATION
 (
@@ -7,14 +7,14 @@ CREATE TABLE OPERATION
 , Undo TEXT NOT NULL
 , Parent INTEGER REFERENCES OPERATION(ID)
 , Redo_Child INTEGER REFERENCES OPERATION(ID)
-, Api TEXT NOT NULL
-, Api_Operation API_OPERATION NOT NULL
-, Api_Operation_Type TEXT NOT NULL
-, Api_Operation_Id TEXT NOT NULL -- VARCHAR(32)
-, Api_Operation_Property TEXT NOT NULL
+, Api_Id TEXT NOT NULL
+, Api_Op API_OPERATION NOT NULL
+, Api_Object_Type TEXT NOT NULL
+, Api_Object_Id TEXT NOT NULL -- VARCHAR(32)
+, Api_Object_Properties TEXT[]
 );
 
-INSERT INTO OPERATION (ID, Redo, Undo) VALUES (0, '', '');
+INSERT INTO OPERATION (ID, Redo, Undo, Api_Id, Api_Op, Api_Object_Type, Api_Object_Id) VALUES (0, '', '', '', 'init', '', '');
 
 CREATE TABLE CURRENT_OPERATION
 (
diff --git a/script/sql/drop/operation.sql b/script/sql/drop/operation.sql
index 998ee2f..13982ba 100644
--- a/script/sql/drop/operation.sql
+++ b/script/sql/drop/operation.sql
@@ -5,3 +5,5 @@ DROP TABLE IF EXISTS SNAPSHOT_OPERATION;
 DROP TABLE IF EXISTS CURRENT_OPERATION;
 
 DROP TABLE IF EXISTS OPERATION;
+
+DROP TYPE IF EXISTS API_OPERATION;