-- Mar 25 In-Class Exercise

((resource:temp.PNG|Resource Description for temp.PNG))

-- Mar 25 In-Class Exercise

((resource:Screen Shot 2020-03-25 at 10.23.05 PM.png|Resource Description for Screen Shot 2020-03-25 at 10.23.05 PM.png))

-- Mar 25 In-Class Exercise

{| |- | Trans Op || Value s || Value t || Memory Value A || Disk Value A || Memory Value B || Disk Value B || Log Records |- | || || || || || || || <START T> |- | I(A) || || || 3 || 3 || || 4 || |- | R(A,s) || 3 || || 3 || 3 || || 4 || |- | s:=s+4 || 7 || || 3 || 3 || || 4 || |- | W(A,s) || 7 || || 7 || 3 || || 4 || <T,A,3> |- | FLUSH LOG || 7 || || 7 || 3 || || 4 || |- | I(B) || 7 || || 7 || 3 || 4 || 4 || |- | R(B,t) || 7 || 4 || 7 || 3 || 4 || 4 || |- | t:=t*s || 7 || 28 || 7 || 3 || 4 || 4 || |- | W(B,t) || 7 || 28 || 7 || 3 || 28 || 4 || <T,B,4> |- | FLUSH LOG || 7 || 28 || 7 || 3 || 28 || 4 || |- | O(A) || 7 || 28 || 7 || 7 || 28 || 4 || |- | O(B) || 7 || 28 || 7 || 7 || 28 || 28 || |- | || || || || || || || <COMMIT T> |- | FLUSH LOG || || || || || || || |}