TimeStamp and Datetime?

Question

I have use a timestamp on an 'updated' field, every time a new field is created or updated I want it to get the current timestamp. After I create a field I get 00-00 00:00:00 even though I only pass '' on creation. How do I fix it?

updated timestamp       on update CURRENT_TIMESTAMP

Answer 1

pass null in the insert statement

SQLFiddle example