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;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;how to count null values in sql
SELECT COUNT(1) FROM my_table WHERE my_column IS NULL;how to count null values
HOW TO COUNT NULL VALUES
List<String> list = new ArrayList(Arrays.asList
("Java",null,"Python",null, "Ruby"));
CollectionUtils.filter(list, PredicateUtils
.nullPredicate()); ==> keeps only nulls
System.out.println(list.size());Copyright © 2021 Codeinu
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