未知题型

A.Itreadilyrespondstodynamicchangesforconcurrentaccess.
B.Itimprovesperformanceandspaceutilizationinamultiple-instanceenvironment.
C.Itrequiresfewerspacerelatedoptionsthenfreelistmanagedstructures.
D.ItimprovesperformanceforSYSTEMtablespaceswhereahighdegreeofconcurrencyisrequired.
【参考答案】

A, C, D