Update operation tree

script/sql/create/operation.sql

@@ -1,17 +1,17 @@
 CREATE TABLE OPERATION
 (
   ID SERIAL PRIMARY KEY
-, REDO TEXT NOT NULL
-, UNDO TEXT NOT NULL
-, PARENT INTEGER REFERENCES OPERATION(ID)
-, REDOCHILD INTEGER REFERENCES OPERATION(ID)
+, Redo TEXT NOT NULL
+, Undo TEXT NOT NULL
+, Parent INTEGER REFERENCES OPERATION(ID)
+, Redo_Child INTEGER REFERENCES OPERATION(ID)
 );
 
-INSERT INTO OPERATION (ID, REDO, UNDO) VALUES (0, '', '');
+INSERT INTO OPERATION (ID, Redo, Undo) VALUES (0, '', '');
 
-CREATE TABLE CURRENTOPERATION
+CREATE TABLE CURRENT_OPERATION
 (
   ID INTEGER PRIMARY KEY REFERENCES OPERATION(ID)
 );
 
-INSERT INTO CURRENTOPERATION (ID) VALUES (0);
+INSERT INTO CURRENT_OPERATION (ID) VALUES (0);