what does “psudo table” Locks mean ?

ANS : it is a false lock which is applied AMP on the table to prevent two users from getting conflicting locks with all-AMP requests.PE will etermine an particular AMP to manage all AMP Lock requests for given table and put psudo lock on the table.To put in simple terms, it’s like an University with 10 gates and at a given time you can enter the university through one gate (or main gate) for security check.