Mutating table errors occur when a trigger attempts to access a "mutating" table, like the table from which the trigger has been called. In MySQL, triggers are not initiated by cascading foreign keys, and they cannot modify the table from which they are called, so neither of those issues can cause a mutating table error. However, foreign keys appear to operate before 'AFTER' triggers, so it is possible to create a trigger that will cause a statement to fail.
Dig Deeper on Linux servers
Related Q&A from Scott Noyes
Get suggestions for choosing MySQL character sets and field collations from expert Scott Noyes. Continue Reading
A MySQL expert describes two ways that the multi-master support can be used. Continue Reading
An expert describes where to find information on detection deadlock algorithms in MySQL. Continue Reading
Have a question for an expert?
Please add a title for your question
Get answers from a TechTarget expert on whatever's puzzling you.