Where are Oracle control files located?
The preconfigured database contains two control files located in the ORACLE_BASE\oradata \DB_NAME directory. Oracle recommends that you keep at least two control files (on separate physical drives) for each database, and set the CONTROL_FILES initialization parameter to list each control file.
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Where are Oracle control files located?
The preconfigured database contains two control files located in the ORACLE_BASE\oradata \DB_NAME directory. Oracle recommends that you keep at least two control files (on separate physical drives) for each database, and set the CONTROL_FILES initialization parameter to list each control file.
How do I manually create a control file in Oracle 11g?
Complete the following steps to create a new control file.
- Make a list of all datafiles and redo log files of the database.
- Shut down the database.
- Back up all datafiles and redo log files of the database.
- Start up a new instance, but do not mount or open the database: STARTUP NOMOUNT.
What is the control file in Oracle?
Every Oracle Database has a control file, which is a small binary file that records the physical structure of the database. The control file includes: The database name. Names and locations of associated datafiles and redo log files. The timestamp of the database creation.
What are the requirements to install Oracle 11g?
Oracle software may not run on systems that do not meet these requirements (see Important Note below).
- AMD Opteron, Intel Pentium® at 500 MHz or faster, or Intel EM64T.
- Minimum 500 MB free disk space for installation, 10 GB recommended.
- Minimum 1 GB physical memory, 4 GB recommended.
How do I view a control file?
Each control file is associated with only one oracle database. Before a database is opened, the control file in oracle is read to determine if the database is in a valid state to use….Control file views:
- V$controlfile.
- V$database.
- V$parameter.
- V$controlfile_record_section.
- Show parameter control_files.
What happens if control file is lost?
If all control files have been lost in a permanent media failure, but all online redo log members remain intact, then you can recover the database after creating a new control file. You are not required to open the database with the RESETLOGS option after the recovery.
How do I recreate a control file?
SQL> alter database backup controlfile to trace; A trace file will be generated in the user_dump_destination directory. After navigating to the directory locate the latest trace file by date/time by issuing “ls -ltr” command. Modify the trace file and use it as a script to create the control.
What is the difference between checkpoint and SCN?
Checkpoint is the concept/background process while SCN is like serial number in our table.. the system change number (SCN) is Oracle’s clock – every time we commit, the clock increments. The SCN just marks a consistent point in time in the database.
What is the purpose of a control file?
A control file is a small binary file that records the physical structure of the database and includes: The database name. Names and locations of associated datafiles and online redo log files. The timestamp of the database creation.
How do I recreate a control in Oracle?
What is the minimum space required to install Oracle Unix?
Section 1.2, “Release Notes” Section 1.3, “Supported Components and Technologies” Section 1.4, “Oracle Components That Work With Oracle Database Lite” Section 1.5, “System Requirements For Mobile Clients”…1.7. 1 Hardware Requirements For UNIX Systems.
| Item | Minimum Requirement |
|---|---|
| TMP or swap space | 1 GB |
How much RAM is required for Oracle Database?
To increase database performance, we recommend fitting the machines with more physical memory than necessary. Server memory for Oracle database 12c: 10 MB per connected user.
How to install Oracle Database 11g on Windows?
In this article, we will learn how to Install version 11g on Windows. Step 1: Go to oracle.com and Click on Options Menu. Step 2: Click the Download Button and Scroll Down to Database Section. Step 3: Click Database 11g Enterprise/Standard Editions, after which you’ll find different versions of Oracle for different OS.
Where is database control installed in Oracle?
When you install Oracle Database, you also install Database Control by default. As a result, the Oracle Database installation procedure installs a set of Enterprise Manager directories and files into the $ORACLE_HOME directory. In particular, the emctl commands required to control Database Control are installed into the $ORACLE_HOME/bin directory.
What is the default installation directory for Oracle Database?
When you install Oracle Database, you also install Database Control by default. As a result, the Oracle Database installation procedure installs a set of Enterprise Manager directories and files into the $ORACLE_HOME directory.
How do I Manage my Oracle Enterprise Manager Grid Control Console Database?
If you create a database while installing Oracle Database, you have the option of configuring your database so it can be managed by Oracle Enterprise Manager Grid Control Console or by Database Control Console. To select Grid Control Console as your management option, the Oracle Management Service must be installed on a network host.
