Mysql if null

Mysql where value is null

SELECT *
FROM contacts
WHERE last_name IS NULL;

Check if value is null mysql

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

Source: stackoverflow.com

Mysql ifnull

##syntax:
SELECT IFNULL(col_with_null_value, default_value);

##you can see the result select with the string NA where the document is null:
SELECT IFNULL(user_document_id, 'NA');

Mysql if null

IFNULL(MAX(EMAIL), "example@google.com") as email

Mysql return 0 if null

SELECT IFNULL(field, 0) AS field FROM products WHERE id = 1

SELECT IFNULL(SUM(field), 0) as field FROM products

If null mysql

SELECT IFNULL(NULL, "W3Schools.com");

Similar codes

0 vote260 views1 answer
Oracle right characters
SQL
2 votes292 views2 answers
Sql query to list all tables in a database sql server
SQL
6 votes282 views2 answers
Oracle
SQL
1 vote275 views1 answer
Sql avg group by
SQL
1 vote300 views1 answer
Mamp mysql path mac
SQL
5 votes282 views4 answers
Mysql on duplicate key update
SQL
1 vote306 views1 answer
What is in condition in sql
SQL
0 vote297 views1 answer
Reindex mssql table
SQL
0 vote331 views3 answers
Postgres trim string
SQL
11 votes299 views3 answers
Sql line numbers
SQL