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Oracle® Database Administrator's Reference
11g Release 1 (11.1) for Linux and UNIX-Based Operating Systems

Part Number B32009-01
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G Database Limits

This appendix describes database limits.

G.1 Database Limits

Table G-1 lists the default and maximum values for parameters in a CREATE DATABASE or CREATE CONTROLFILE statement.

Note:

Interdependencies between these parameters may affect permissible values.

Table G-1 CREATE CONTROLFILE and CREATE DATABASE Parameters

Parameter Default Maximum Value

MAXLOGFILES

16

255

MAXLOGMEMBERS

2

5

MAXLOGHISTORY

100

65534

MAXDATAFILES

30

65534

MAXINSTANCES

1

63


Table G-2 lists the Oracle Database file size limits in bytes.

Table G-2 File Size Limits

File Type Platform

Data files

Any

4,194,303 multiplied by the value of the DB_BLOCK_SIZE parameter

Import/Export files and SQL*Loader files

AIX, HP-UX, Linux, and Solaris: 32-bit with 32-bit files

2,147,483,647 bytes


AIX, HP-UX, Linux, Mac OS X, and Solaris: 64-bit files

Unlimited

Control files

HP-UX, Linux, Mac OS X, and Solaris

20000 database blocks


AIX

10000 database blocks