Database file size Maximum Operating system dependent. Limited by maximum operating system file size; typically 222 or 4 MB blocks
Bigfile Tablespaces Number of blocks A bigfile tablespace contains only one datafile or tempfile, which can contain up to approximately 4 billion ( 232 ) blocks. The maximum size of the single datafile or tempfile is 128 terabytes (TB) for a tablespace with 32 K blocks and 32 TB for a tablespace with 8 K blocks.