mysql count number of records with same column code example

Example 1: get number of rows in every table mysql

mysql> SELECT table_name, table_rows
   ->FROM INFORMATION_SCHEMA.TABLES
   ->WHERE TABLE_SCHEMA = 'business';

Example 2: mysql count multiple columns in one query

mysql count multiple columns in one query:
 SELECT 
        count(*)             as count_rows,
        count(col1)          as count_1,
        count(col2)          as count_2,
        count(distinct col1) as count_distinct_1,
        count(distinct col2) as count_distinct_2,
        count(distinct col1, col2) as count_distinct_1_2
    FROM `table` ;