Answers for "mysql check if column is empty"

how to check a db specific rows col is empty

SELECT * FROM table WHERE some_col IS NULL OR some_col = '';

Posted by: Guest on August-29-2020

check if value is null mysql

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

Posted by: Guest on March-17-2020

if column value is null then in mysql

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

Posted by: Guest on November-05-2020

mysql return column names when table is empty

select myQuery.*
from (select 1) as ignoreMe
left join (
select * from myTable where false -- insert your query here
) as myQuery on true

Posted by: Guest on February-18-2021

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