Which three statements are true about table data storage in an Oracle Database? (Choose three.)

A. Data block headers contain their own Data Block Address (DBA)

B. A table row piece can be chained across several database blocks

C. Multiple row pieces from the same row may be stored in different database blocks

D. Multiple row pieces from the same row may be stored in the same block

E. Data block free space is always contiguous in the middle of the block

F. Index block free space is always contiguous in the middle of the block