/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

1 vote285 views1 answer
What is intersect
SQL
0 vote343 views1 answer
Sql int vs integer
SQL
0 vote287 views1 answer
Mysql add to value
SQL
15 votes312 views6 answers
Laravel db transaction
SQL
-1 vote294 views1 answer
Mac mysql workbench console
SQL
2 votes325 views1 answer
Where clause for child record apex
SQL
1 vote306 views2 answers
SQLSTATE[42000]: Syntax error or access violation: 1075 Incorrect table definition; there can be only one auto column and it must be defined as a key"
SQL
47 votes355 views6 answers
Add column mysql
SQL
2 votes297 views1 answer
Guid to string sql
SQL
1 vote334 views1 answer
Alter database datafile maxsize 32g
SQL

Share