How do I find the size of an Oracle Database?

Check the Size of Oracle Database and PDB databases select sum(bytes)/1024/1024 size_in_mb from dba_data_files; Check the total space used by data. select sum(bytes)/1024/1024 size_in_mb from dba_segments; Check the size of User or Schema in Oracle.

What is the maximum size of 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 minimum size of an Oracle Database?

The minimum database page size is 512 bytes, which results in a minimum maximum database size of 241 (2 terabytes).

How to calculate the Oracle database maximum size?

Database Block Size Maximum Datafile File Size 2k 4194303 * 2k = 8 GB 4k 4194303 * 4k = 16 GB 8k 4194303 * 8k = 32 GB 16k 4194303 * 16k = 64 GB

Are there limits to the number of database files?

Control file can be resized to allow more entries; ultimately an operating system limit Number of tablespaces cannot exceed the number of database files because each tablespace must include at least one file A bigfile tablespace contains only one datafile or tempfile, which can contain up to approximately 4 billion ( 2 32 ) blocks.

How to calculate the size of a database file?

The size of the database is the space the files physically consume on disk. You can find this with: select sum(bytes)/1024/1024 size_in_mb from dba_data_files; But not all this space is necessarily allocated.

How big is a bigfile table in Oracle?

A bigfile tablespace contains only one datafile or tempfile, which can contain up to approximately 4 billion ( 2 32 ) 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.

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