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;DISTINCT SQL
SELECT DISTINCT column1, column1, ..... FROM TABLE
/*DISTINCT WILL NOT SELECT THE SAME VALUES IN SAME COLUMN*/mysql select distinct rows
SELECT DISTINCT location FROM users;Copyright © 2021 Codeinu
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