SQL separate one column into three - sql

Question

Basically i'm trying to take an address field that is one column and separate it into three columns, the first having the address number, the second having the street name, and the third having if its an apt # or lot #
Address
-------------------
990 A street Apt 1B
127 B street Lot 3
So far i have this which works for the number and the street.
Select LEFT(MP.[ADDRESS],PATINDEX('%[0-9][^0-9]%', MP.[ADDRESS] )) AS Number,
LTRIM(RIGHT(MP.[ADDRESS], LEN(MP.[ADDRESS]) - PATINDEX('%[0-9][^0-9]%', MP.[ADDRESS] ))) As Street
From MPFILE mp
and it ends up like this:
Number | Street
----------------------------
990 | A street Apt 1B
127 | B Street Lot 3
Trying to get this though:
Number | Street | Apt/Lot
-----------------------------------
990 | A street | Apt 1B
127 | B street | Lot 3

Answer 1

Something like this will work with your example data given, but as Gordon says Addresses are hard to parse and probably should not be parsed in SQL.
WITH locations AS
(
SELECT ADDRESS,
LEN(ADDRESS) AS Len,
PATINDEX('%[0-9][^0-9]%', ADDRESS) AS NumLoc,
PATINDEX('%APT%', ADDRESS) AS APTLoc,
PATINDEX('%Lot%', ADDRESS) AS LotLoc
FROM MPFILE
), numbers AS
(
ADDRESS,
NumLoc,
Len - NumLoc AS StartAddr,
CASE WHEN APTLoc > 0 THEN AptLoc
WHEN LotLoc > 0 THEN LotLoc
ELSE Len AS EndAddr,
CASE WHEN APTLoc > 0 THEN AptLoc
WHEN LotLoc > 0 THEN LotLoc
ELSE Len AS StartApt,
Len AS EndApt
)
Select LEFT(NumLoc, MP.ADDRESS )) AS Number,
SUBSTRING(MP.ADDRESS, StartAddr, EndAddr),
SUBSTRING(MP.ADDRESS, StartApt, EndApt)
From numbers

Answer 2

Declare #t table ( Address varchar(200));
Insert Into #t (Address) values
('990 A street Apt 1B'),
('127 B street Lot 3'),
('127 B street Lot 345'),
('4444 Rice Street Suite 105'),
('715 South King Street #200'),
('101 Aupuni Street Room 342')
Select Left(Address,CHARINDEX(' ',Address)) as Number,
SUBSTRING(Address,CHARINDEX(' ',Address)+1, CHARINDEX('street',SUBSTRING(Address,CHARINDEX(' ',Address)+1,LEN(Address)))+LEN('street')) as Street
,Substring(Address,CHARINDEX('street',Address)+LEN('street'),LEN(Address)) as [Apt/Lot]
From #t
** Result**
Number |Street |Apt/Lot
----------------------------|-------
990 |A street |Apt 1B
127 |B street |Lot 3
127 |B street |Lot 345
4444 |Rice Street |Suite 105
715 |South King Street |#200
101 |Aupuni Street |Room 342