{eval=Array;=+count(Array);}
export ORACLE_HOME=/path/to/oracle_home export PATH=$ORACLE_HOME/bin:$PATH export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATHNote: Replace /path/to/oracle_home with the actual path to your Oracle installation directory. 3. Use the SQL*Plus utility to log in to the database by typing the following command:
sqlplus username/password@//hostname:port/service_nameNote: Replace username, password, hostname, port, and service_name with the appropriate values for your Oracle database. 4. If you are successful, you should see a prompt that looks like this:
SQL>You can now execute SQL commands to interact with the database. To exit SQL*Plus, type:
exit
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