Question 9 What is the optimized version of the relation algebra expression πA1(πA2(σF1(σF2(r)))), where A1, A2 are sets of attributes in with A1 ⊂ A2 and […]
Question 2 A bridge has access to _______ address in the same network. A Physical B Network C Datalink D Application Computer-NetworksHardware-and-various-devices-in-networking Question 2 Explanation: A […]