Urgent help on minimize code

Question

I have 3 different type " 1. state 2. COM 3 DC All three
below query are same but base on type it get result.
Instead of writting three time. Is there any way i can write
query 1 time and pass three value one by one.
I want to pass type one by one because All three get
different reuslt and each one has their own section.
LIKE
STATE
IL
MI
WI
AL
COM
AG
DD
EE
etc
Select a.ID,
a.description,
1 as 'ID1'
From Web_Lookup a,Webinfo b
Where a.id=b.id
And b.ABC_number='A0001'
And a.type='State'
union
Select
a.ID,
a.description,
-1 as 'ID1'
From Web_Lookup a
Where a.type='State'
AND ID not in (Select a.ID
From Web_Lookup a,Webinfo b
Where a.ID=b.ID
And b.ABC_number='='A0001''
Select a.ID,
a.description,
1 as 'ID1'
From Web_Lookup a,Webinfo b
Where a.id=b.id
And b.ABC_number='A0001'
And a.type='COM'
union
Select
a.ID,
a.description,
-1 as 'ID1'
From Web_Lookup a
Where a.type='COM'
AND ID not in (Select a.ID
From Web_Lookup a,Webinfo b
Where a.ID=b.ID
And b.ABC_number=='A0001'
Select a.ID,
a.description,
1 as 'ID1'
From Web_Lookup a,Webinfo b
Where a.id=b.id
And b.ABC_number='A0001'
And a.AOA_type='DC'
union
Select
a.ID,
a.description,
-1 as 'ID1'
From Web_Lookup a
Where a.type='DC'
AND ID not in (Select a.ID
From Web_Lookup a,Webinfo b
Where a.ID=b.ID
And b.ABC_number='A0001'

Answer 1

Try this.
Where (a.type='DC' or a.type='COM' or a.type='State')