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 vote365 views2 answers
How to drop mili second in sql
SQL
0 vote335 views1 answer
Oracle lower in where clause
SQL
0 vote323 views1 answer
Sql describe
SQL
4 votes309 views2 answers
Sql vs mysql
SQL
0 vote324 views1 answer
Oracle list subpartitions
SQL
37 votes337 views5 answers
FIND DUPLICATES IN COLUMN SQL
SQL
4 votes340 views2 answers
Tsql utf to local time
SQL
0 vote325 views1 answer
What is ssrs and ssis in sql server
SQL
1 vote319 views1 answer
Host 127.0 0.1 is not allowed to connect to this mysql server
SQL
0 vote342 views1 answer
Plsql find location of procedure
SQL