DROP TABLE T_Selection CASCADE CONSTRAINTS;

CREATE GLOBAL TEMPORARY TABLE T_Selection	
(
	T_Selection_ID	NUMBER(10, 0) NOT NULL	
		CONSTRAINT T_Selection_Key PRIMARY KEY
)
ON COMMIT DELETE ROWS;


DROP TABLE T_Selection2;

CREATE GLOBAL TEMPORARY TABLE T_Selection2 
(
	Query_ID	   NUMBER	  NOT NULL,
	T_Selection_ID NUMBER(10) NOT NULL,
	CONSTRAINT T_Selection2_Key PRIMARY KEY (Query_ID,T_Selection_ID)
)
ON COMMIT PRESERVE ROWS;