distinct count mysql code example

Example 1: mysql unique select count

SELECT COUNT(DISTINCT productId) from  table_name WHERE keyword='$keyword'

Example 2: 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;

Example 3: mysql count number of occurrences in a column

SELECT name,COUNT(*) 
FROM tablename 
GROUP BY name 
ORDER BY COUNT(*) DESC;

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