Almost all the information I had needed about a database, I could find in information_schema

This time I needed to read details of all foreign keys in a database through single query I found every thing in information_schema.key_Column_usage but could not find the constraints like on delete, on update

I could do show create table for all individual tables. But is there any way to get these details through some select query like this?

SELECT CONSTRAINT_NAME, TABLE_NAME,COLUMN_NAME, REFERENCED_TABLE_NAME, 
REFERENCED_COLUMN_NAME FROM information_schema.`KEY_COLUMN_USAGE` WHERE 
table_schema = 'mydbname' AND referenced_column_name IS NOT NULL

It is doing the job well but just missing constraints like on delete, on update How can I get those values as well so that I can get all info about foreign keys in a single query?

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