/SQL/Get count of null in column sql

Get count of null in column sql

Sql count null values in all columns

SELECT sum(CASE WHEN column_A IS NULL THEN 1 ELSE 0 END) A,
       sum(CASE WHEN column_B IS NULL THEN 1 ELSE 0 END) B
FROM my_table;

0

How to count null values in sql

SELECT COUNT(1) FROM my_table WHERE my_column IS NULL;

0

Get count of null in column sql

select sum(case when a is null then 1 else 0 end) count_nulls
     , count(a) count_not_nulls 
  from us;

0

Source: stackoverflow.com

Similar codes

4 votes165 views2 answers
Access to dialectresolutioninfo cannot be null when 'hibernate.dialect' not set
SQL
3 votes213 views1 answer
Select count from table mysql
SQL
0 vote156 views2 answers
Denormalization in sql
SQL
36 votes214 views6 answers
Rename table sql
SQL
5 votes193 views1 answer
Sql select ciunt
SQL
2 votes199 views1 answer
Oracle apex list connected users
SQL
1 vote219 views1 answer
Get parameter value in mysql trigger
SQL
1 vote187 views1 answer
Scaffold mysql database
SQL
19 votes265 views1 answer
Sqrt(-1)
SQL
0 vote231 views1 answer
Sqlalchemy empty table
SQL

Share