Initialize an Oracle database instance using SQL*Plus utility (Windows systems)

Procedure Log on to the operating system as a user with administrator privilege. To connect as internal (without a password), this account must be part of ORA_DBA Windows local group. Manually set the Oracle environment by entering one of the following sets of commands: Copy set ORACLE_HOME=Oracle-home-path set ORACLE_SID=tc set PATH=%PATH%;%ORACLE_HOME%\bin Start the Oracle SQLPlus utility: Copy %ORACLE_HOME%\bin\sqlplus Log on to SQL. At the SQLPLUS prompt, type the following command: Copy connect / as sysdba The following system message is displayed: Copy Connected to an idle instance. At the SQLPLUS prompt, type the following command: Copy startup A system message similar to the following is displayed: Copy ORACLE instance started. Total System Global Area 35042572 bytes Fixed Size 70924 bytes Variable Size 30294016 bytes Database Buffers 4505600 bytes Redo Buffers 172032 bytes Database mounted. Database opened. The Oracle database is initialized. Exit the Oracle SQLPlus utility by entering the following at the SQLPLUS prompt: Copy exit