/SQL/Mysql where value is null

Mysql where value is null

Mysql where value is null

SELECT *
FROM contacts
WHERE last_name IS NULL;

9

Check if value is null mysql

SELECT * from TABLE where CODE IS NULL OR CODE!='C'

4

Source: stackoverflow.com

Mysql set value as null

UPDATE table SET field = NULL WHERE something = something

2

Source: stackoverflow.com

If column value is null then in mysql

 SELECT 
    contactname, IFNULL(bizphone, homephone) phone
FROM
    contacts;

0

Source: mysqltutorial.org

Similar codes

5 votes279 views1 answer
Oracle ora-00054 causes
SQL
0 vote301 views1 answer
Sql use with to get value counts and percentages
SQL
11 votes280 views1 answer
How to get ddl for materialized view
SQL
0 vote291 views1 answer
Sql revert migration
SQL
0 vote293 views1 answer
How convert into in in sql query
SQL
8 votes302 views1 answer
Today minus 15 days postgresql
SQL
3 votes296 views2 answers
How to start postgresql on windows
SQL
0 vote295 views1 answer
Inserted row count tsql
SQL
1 vote292 views1 answer
Pv mysql import
SQL
57 votes520 views5 answers
How to create a new user in postgresql
SQL

Share