mysql unique select count
SELECT COUNT(DISTINCT productId) from table_name WHERE keyword='$keyword'mysql unique select count
SELECT COUNT(DISTINCT productId) from table_name WHERE keyword='$keyword'MySQL DISTINCT
When querying data from a table, you may get duplicate rows. In order to remove these duplicate rows, you use the DISTINCT clause in the SELECT statement.
Here is the syntax of the DISTINCT clause:
SELECT DISTINCT
select_list
FROM
table_name;mysql select distinct rows
SELECT DISTINCT location FROM users;mysql count number of occurrences in a column
SELECT name,COUNT(*)
FROM tablename
GROUP BY name
ORDER BY COUNT(*) DESC;Copyright © 2021 Codeinu
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