21. A Fragmentation Schema is simply the set of all fragments that satisfies the condition that the whole database can be reconstructed via Join or Outer Join operations on those fragments. a. True b. False 22. An Allocation Schema is a map of all the fragments at their physical locations. Replication is not shown in an Allocation Schema. a. True b. False 23. Write-intensive databases need full replication. a. True b. False