Question: How Do I Start A Pfile Database?

How do I start a database in Linux?

Do one of the following:On Windows: Click Start, point to Programs (or All Programs), point to Oracle Database 11g Express Edition, and then select Start Database.On Linux with Gnome: In the Applications menu, point to Oracle Database 11g Express Edition, and then select Start Database.More items….

How do you start a listener?

To start or stop the listener at the command line:Open a command window.Follow the steps listed in “Configuring the Operating System Environment Variables .”Enter either of the following commands, depending on whether you want to start or stop the listener: lsnrctl start lsnrctl stop.

How do you mount a database?

To mount the database, the instance finds the database control files and opens them. Control files are specified in the CONTROL_FILES initialization parameter in the parameter file used to start the instance. Oracle then reads the control files to get the names of the database’s datafiles and redo log files.

How do I start a database using Pfile?

Migrating to spfile from a pfile consists of 2 steps:Create the spfile from the existing pfile using: SQL> CREATE SPFILE FROM PFILE=’d:\init. ora’; File created.Restart the database to start using the newly created spfile. SQL> STARTUP ORACLE instance started.

How do I create a pfile?

A PFILE is necessary in order to create a SPFILE to enable persistent initialization parameters. If you already have a SPFILE, a PFILE can be generated from it using one of the following. CREATE PFILE FROM SPFILE; CREATE PFILE FROM SPFILE = ‘production. ora’; CREATE PFILE = ‘$ORACLE_HOME/dbs/my_pfile.

How can I check my listener status?

Do the following:Log on to the host where the Oracle database resides.Change to the following directory: Solaris: Oracle_HOME/bin. Windows: Oracle_HOME\bin.To start the listener service, type the following command: Solaris: lsnrctl START. Windows: LSNRCTL. … Repeat step 3 to verify that the TNS listener is running.

How do I edit Spfile when database is down?

In order to modify the spfile in oracle database, do one of the following:Use the ALTER SYSTEM command to modify the SPFILE currently in use. To determine if an spfile is being used: SQL> select value from v$parameter where name=’spfile’ … Use the export method. Export the SPFILE to a PFILE.

How do I find my Spfile?

The server parameter file (SPFILE) is created from the initialization response file, then the initialization response file is renamed. The SPFILE file name is spfile SID . ora and is located in the ORACLE_HOME \database directory.

How Pfile does affect Spfile?

SPFILE is a binary file that contains the same information as the old PFILE. SPFILE permits dynamic changes without requiring you to restart that instance. By default, if you do not specify PFILE in your STARTUP command, Oracle will use server parameter file (SPFILE).

Where can I find Pfile?

By default, PFILE is located in $ORACLE_HOME/dbs .

How do I start MySQL in Linux?

Start MySQL Server on Linuxsudo service mysql start.sudo /etc/init.d/mysql start.sudo systemctl start mysqld.mysqld.

How do I open a database in restricted mode?

Start an instance (and, optionally, mount and open the database) in restricted mode by using the STARTUP command with the RESTRICT option: STARTUP RESTRICT; Later, use the ALTER SYSTEM statement to disable the RESTRICTED SESSION feature.

How do you check database is mounted or not?

SELECT open_mode FROM v$database; If the value is: ‘MOUNTED’, your database is mounted. ‘READ WRITE’, then you can assume it’s been activated.

How do I start a database in Mount mode?

To start up a database instance, you use the STARTUP command:STARTUP.STARTUP;STARTUP OPEN;STARTUP stage;STARTUP NOMOUNT;ALTER DATABASE MOUNT;shutdown immediate;Database closed. Database dismounted. ORACLE instance shut down.More items…

How do I know if a database started with Pfile or Spfile?

Select * from v$spparameter;(to check the Spfile). Select * from v$parameter(to check the pfile). If any Path available in Value column. DB is running in SPFile, else Pfile.