Top "Ifnull" questions

IFNULL() Equivalent in PostgreSQL

I am working on a project of migrating from MySQL to PostgreSQL, some function can't works well in PostgreSQL like …

mysql sql postgresql ifnull nullif

Mysql sum of fields not working when either field is NULL

Hi i have this code in php to update a balance field in $table5. Now my problem is that when …

php mysql select sum ifnull

MySQL check if subquery return NULL, then replace value

I have mysql query where I need to replace value in WHERE clause if subquery returns no results or null …

mysql null subquery ifnull