Question

My Table: table1

ID  Name  Family
1   A     AA
2   B     BB
3   A     AB
4   D     DD
5   E     EE
6   A     AC

SQL command on Access:

select count(*) from table1

Output: ————> True
6 row(s)

I tried to count unique names:

Expected output: 4 row(s)

select count(distinct Name) from table1

Output on Access: ————> Error

What changes do I need to make to my query?

Answer 1

Try this

SELECT Count(*) AS N
FROM
(SELECT DISTINCT Name FROM table1) AS T;

Read this for more info.