Manually start an Oracle database instance __python

Manually start an ORACLE database instance assume that the instance name ORCL first export the environment variable in the configuration file or set ORACLE_SID=ORCL sqlplus Sys/password as Sysdba sql>startup; The startup command reads the Initorcl.ora file in the $oracle_home/dbs directory, which has some parameters configured for that database, if the instance of the database is named Test, then the corresponding profile is Inittest.ora If the configuration file does not exist in the directory, you can copy it according to the Init.ora in the directory, and then find the Db_name=default line, change the DEFAULT to the name of the database you want, and the name that ORACLE_SID represents. May be prompted shared_pool_size enough, you can modify the value of this parameter to close sql>shutdown;