PROJ_ID |   TYPE    |  TYPE_ID |     SUBTYPE	|  SUBTYPE_ID	|     ACTION    |   BEFORE   |    AFTER    |   DATE   |  USER   |
---------------------------------------------------------------------------------------------------------------------------------
proj_id |  details  |   null   |      NULL	|      NULL	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	|  element  |   id     |      NULL	|      NULL	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| scenario  |   id     |      NULL	|      NULL	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| scenario  |   id     |QUALITYATTRIBUTE|      	ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| scenario  |   id     |  SIGNIFICANCE	|      	ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| scenario  |   id     |  DIFFICULITY	|      	ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.decision|   id     |      NULL	|      NULL	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.approach|   id     |      NULL	|      NULL	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.approach|   id     |   ENVIRONMENT  |       ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.approach|   id     |   STIMULUS	|       ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.approach|   id     |   RESPONSE	|       ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |
	| a.approach|   id     |   REASONING	|       ID?	|  add|upd|del  |text_before |  text_after | TIMESTAMP| USER_ID |