/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

1 vote546 views1 answer
Athena query timestamp greater than
SQL
0 vote279 views1 answer
Load SQLite in Jupyter Notebook together with the access to the file
SQL
0 vote276 views1 answer
#1231 - Variable 'sql_mode' can't be set to the value of 'NULL'
SQL
0 vote279 views1 answer
Materialized view redshift
SQL
5 votes278 views3 answers
DBMS_OUTPUT.PUT_LINE
SQL
0 vote291 views1 answer
Mysql url
SQL
3 votes266 views3 answers
C# sql select
SQL
6 votes276 views3 answers
Error Code: 1055. Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column 'mydb.term.year' which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by
SQL
-1 vote287 views1 answer
Create view in mysql workbench
SQL
1 vote254 views1 answer
Sql auto date
SQL

Share