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SQL * DBA - This allows DBA to monitor and control an ORACLE
database.

SQL * Loader - It loads data from standard operating
system files (Flat files) into ORACLE database tables.

Export (EXP) and Import (imp) utilities allow you to move
existing data in ORACLE format to and from ORACLE database.

55. What are the minimum parameters should exist in the
parameter file (init.ora) ?

DB NAME - Must set to a text string of no more than 8
characters and it will be stored inside the datafiles,
redo log files and control files and control file while
database creation.

DB_DOMAIN - It is string that specifies the network
domain where the database is created. The global
database name is identified by setting these parameters
(DB_NAME & DB_DOMAIN)

CONTORL FILES - List of control filenames of the database.
If name is not mentioned then default name will be used.

DB_BLOCK_BUFFERS - To determine the no of buffers in the
buffer cache in SGA.

PROCESSES - To determine number of operating system
processes that can be connected to ORACLE concurrently.
The value should be 5 (background process) and
additional 1 for each user.

ROLLBACK_SEGMENTS - List of rollback segments an ORACLE
instance acquires at database startup.

Also optionally
LICENSE_MAX_SESSIONS,LICENSE_SESSION_WARNING and
LICENSE_MAX_USERS.

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