Getting Distinct Data from two Columns SQL Server - sql-server

Question

I am trying to get the distinct data from two columns in the same table.
Table 1:
***ID Address City***
01 Test Street Springdale
01 Main Street Springdale
01 Pass Dr. New Town
01 Main Street New Town
I want the results to look like this;
***Address City***
Test Street Springdale
Main Street New Town
Pass Dr.
Currently I have this:
SELECT DISTINCT Address
FROM Table1
WHERE ID = 01
UNION
SELECT DISTINCT City
FROM Table1
WHERE ID = 01
But what I get in return is:
***Address***
Test Street
Main Street
Pass Dr.
Springdale
New Town

Answer 1

Using nested CTEs as follows will produce the result set required in the OP:
;WITH CTE_Address AS
(
SELECT DISTINCT Address
FROM #T
), CTE_Address_rn AS
(
SELECT Address, ROW_NUMBER() OVER (ORDER BY Address) AS rn
FROM CTE_Address
), CTE_City AS
(
SELECT DISTINCT City
FROM #T
), CTE_City_rn AS
(
SELECT City, ROW_NUMBER() OVER (ORDER BY City) AS rn
FROM CTE_City
)
SELECT a.Address, c.City
FROM CTE_Address_rn AS a
LEFT JOIN CTE_City_rn AS c ON a.rn = c.rn
The basic idea is to produce two separate result sets containing distinct Addresses and Cities and join these by ROW_NUMBER.
SQL Fiddle Demo here
P.S. The above answer is based on the assumption that the OP just wants distinct Address and City values put into a single table, disassociated from each other.

Answer 2

It is because you are only ever selecting one column. The union just puts two data sets together and deupes. So the first one reads distinct address and the second distinct city and then retuns as one list.
You should really return these as two different data sets or use two different procs. You can do the former just be getting rid of your UNION.

Answer 3

;WITH CTE_Address AS
(
SELECT ID, Street_Address, DENSE_RANK () over (Order by Street_Address) as Denserank_Street
FROM The_Table
),
CTE_City AS
(
SELECT ID, City_Name, DENSE_RANK () over (Order by City_Name) as Denserank_City
FROM The_Table
)
SELECT a.Address, c.City
FROM CTE_Address AS A
INNER JOIN CTE_City AS C ON A.ID = C.ID
P.S. Without the ID column, the JOIN statement will give wrong match between City and Address.