condition in count sql
select count(case Position when 'Manager' then 1 else null end)
from ...
select sum(case Position when 'Manager' then 1 else 0 end)
from ...condition in count sql
select count(case Position when 'Manager' then 1 else null end)
from ...
select sum(case Position when 'Manager' then 1 else 0 end)
from ...sql count
/*COUNT(column_name) will return the number of rows from the column
that are not NULL*/
SELECT COUNT(column_name)
FROM table_name;
/*COUNT(*) will return the number of rows from the table*/
SELECT COUNT(*)
FROM table_name;Copyright © 2021 Codeinu
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