I am working on a table for a client where they desire only specific column value to be counted I have done one way of it but its not the outcome they need so it was out aside.
I have a table like this.(Note: Not actual table)
company_name | type  | ................
com A        | type1 | ................
com A        | type2 | ................
com B        | type1 | ................
com A        | type2 | ................
com A        | type1 | ................
com C        | type1 | ................
com C        | type2 | ................
com A        | type1 | ................
so on so forth with the type column though there are columns in it that they don't want counted at all
The table that is needed would look like this
company_name | Type1 | Type2 | ..........
com A        |   3   |   2   | ..........
com B        |   1   |   0   | ..........
com C        |   1   |   1   | ..........
What I'm getting so far is:
company_name | Type  | count | ..........
com A        | type1 |   3   | ..........
com A        | type2 |   2   | ..........
com B        | type1 |   1   | ..........
com C        | type1 |   1   | ..........
com C        | type2 |   1   | ..........
Please help I have been scratching my skull away over this.
Try this:
SELECT
  company_name,
  SUM(IIF(Type = 'type1', 1, 0)) AS Type1,
  SUM(IIF(Type = 'type2', 1, 0)) AS Type2,
  SUM(IIF(Type = 'type3', 1, 0)) AS Type3
FROM table
GROUP BY company_name;
In MySQL, you can use the IF statement instead of Access's IIF, also you can write it without IF or CASE because of MySQL implicit conversions:
SELECT Promoter, 
  Sum(NoticeType = 'VARIATION')       AS 'Variation', 
  Sum(NoticeType = 'TWO HOURS AFTER') AS 'Two Hours After', 
  Sum(NoticeType = 'THREE MONTHS')    AS 'Three Months', 
  Sum(NoticeType = 'THREE DAY')       AS 'Three Day', 
  Sum(NoticeType = 'TEN DAY')         AS 'Ten Day' 
FROM notices 
GROUP BY Promoter;
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