How many maximum data files can there be in an Oracle database?

Question

There is a UNIX kernel limit for the maximum number of open files. There is an absolute Oracle maximum of 65533 files in a database and usually 1022 files in a tablespace. However, certain hardware platforms have a limit lower than this absolute maximum.

What is the maximum datafile size limit in an Oracle database?

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.

What is the maximum size of database file?

The maximum size of a database file is 4294967294 pages. At the maximum page size of 65536 bytes, this translates into a maximum database size of approximately 1.4e+14 bytes (281 terabytes, or 256 tebibytes, or 281474 gigabytes or 256,000 gibibytes).

What is the maximum size of datafile in Oracle 19c?

The maximum size of the single data file or temp file is 128 terabytes (TB) for a tablespace with 32K blocks and 32TB for a tablespace with 8K blocks.

How many datafiles are there in a database?

However, because there is limit of 64K datafiles for each database, a database can contain 1024 times more bigfile tablespaces than smallfile tablespaces, so bigfile tablespaces increase the total database capacity by 3 orders of magnitude.

Expert · Answer