15、Which two are true about space management in tablespaces?
A) Locally managed tablespaces have either ASSM or manual segment space management (MSSM), and all the segments in these tablespaces are managed one way or the other.
B) Locally managed tablespaces track adjacent free space automatically by using bitmaps.
C) Extent allocation must be specified as automatic for automatic segment space management (ASSM) tablespaces.
D) ASSM tablespaces prevent row chaining.
E) Free lists are used for managing free space for segments in locally managed tablespaces.
Answer:AB