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What Is an Oracle Data File
What Is an Oracle Data File? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files An Oracle data file is a big unit of physical storage in the OS file system. One or many Oracle data files are organized together to provide physical storage to a single Oracle tablespace. 2007-05-04, 5132👍, 0💬

What Is an Oracle Tablespace
What Is an Oracle Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files An Oracle tablespace is a big unit of logical storage in an Oracle database. It is managed and used by the Oracle server to store structures data objects, like tables and indexes. 2007-05-04, 5108👍, 0💬

How a Tablespace Is Related to Data Files
How a Tablespace Is Related to Data Files? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files Each tablespace in an Oracle database consists of one or more files called datafiles, which are physical structures that conform to the operating system in which Oracle is running. 2007-05-03, 5058👍, 0💬

How a Database Is Related to Tablespaces
How a Database Is Related to Tablespaces? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files A database's data is collectively stored in the datafiles that constitute each tablespace of the database. For example, the simplest Oracle database would have one tablespace and one datafile. Ano... 2007-05-03, 5019👍, 0💬

How To View the Tablespaces in the Current Database
How To View the Tablespaces in the Current Database? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you want to get a list of all tablespaces used in the current database instance, you can use the DBA_TABLESPACES view as shown in the following SQL script example: SQL> connect SYSTE... 2007-05-03, 5216👍, 0💬

What Are the Predefined Tablespaces in a Database
What Are the Predefined Tablespaces in a Database? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files When you create a new database, Oracle server will create 4 required tablespaces for the new database: SYSTEM Tablespace - Every Oracle database contains a tablespace named SYSTEM, which ... 2007-05-03, 5814👍, 0💬

How To Create a new Oracle Data File
How To Create a new Oracle Data File? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files There is no dedicated statement to create a data file. Data files are created as part of statements that manages other data structures, like tablespace and database. 2007-05-03, 4952👍, 0💬

How To View the Data Files in the Current Database
How To View the Data Files in the Current Database? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you want to get a list of all tablespaces used in the current database instance, you can use the DBA_TABLESPACES view as shown in the following SQL script example: SQL> connect SYSTEM... 2007-05-03, 5067👍, 0💬

How To Rename a Tablespace
How To Rename a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files You can easily rename a tablespace by using the ALTER TABLESPACE ... RENAME TO statement as shown in the example below: SQL> CREATE TABLESPACE my_space 2 DATAFILE '/temp/my_space.dbf' SIZE 10M; Tablespace creat... 2007-05-03, 5096👍, 0💬

How To Create a New Tablespace
How To Create a New Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you want a new dataspace, you can use the CREATE TABLESPACE ... DATAFILE statement as shown in the following script: SQL> CREATE TABLESPACE my_space 2 DATAFILE '/temp/my_space.dbf' SIZE 10M; Tablespace c... 2007-05-03, 5071👍, 0💬

How To Drop a Tablespace
How To Drop a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you have an existing tablespace and you don't want it anymore. You can delete a tablespace by using the DROP TABLESPACE statement as shown in the example below: SQL> CREATE TABLESPACE my_space 2 DATAFILE '/tem... 2007-05-03, 4987👍, 0💬

What Happens to the Data Files If a Tablespace Is Dropped
What Happens to the Data Files If a Tablespace Is Dropped? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If a tablespace is dropped, what happens to its data files? By default, data files will remain in OS file system, even if the tablespace they are mapped is dropped. Of course, you... 2007-05-03, 5187👍, 0💬

How To Create a Table in a Specific Tablespace
How To Create a Table in a Specific Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files After you have created a new tablespace, you can give it to your users for them to create tables in the new tablespace. To create a table in a specific tablespace, you need to use the TABLES... 2007-05-03, 5045👍, 0💬

How To See Free Space of Each Tablespace
How To See Free Space of Each Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files One of the important DBA tasks is to watch the storage usage of all the tablespaces to make sure there are enough free space in each tablespace for database applications to function properly. Free... 2007-05-03, 5034👍, 0💬

How To Bring a Tablespace Offline
How To Bring a Tablespace Offline? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you want to stop users using a tablespace, you can bring it offline using the ALTER TABLESPACE ... OFFLINE statement as shown in the following script: SQL> connect HR/fyicenter Connected. SQL> CREATE ... 2007-05-03, 4941👍, 0💬

How To Bring a Tablespace Online
How To Bring a Tablespace Online? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you have brought a tablespace offline, now you want to make it available to users again, you can use the ALTER TABLESPACE ... ONLINE statement as shown in the following script: SQL> connect HR/fyicente... 2007-05-03, 5497👍, 0💬

How To Add Another Datafile to a Tablespace
How To Add Another Datafile to a Tablespace? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files If you created a tablespace with a data file a month ago, now 80% of the data file is used, you should add another data file to the tablespace. This can be done by using the ALTER TABLESPACE ..... 2007-05-03, 5227👍, 0💬

What Happens If You Lost a Data File
What Happens If You Lost a Data File? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files After you shuting down an Oracle database, you accidently deleted a data file from the operating system. If you try to start the database again you will get error when Oracle tries to open the databas... 2007-05-03, 6389👍, 0💬

How Remove Data Files befor opening a Database
How Remove Data Files befor opening a Database? - Oracle DBA FAQ - Managing Oracle Tablespaces and Data Files Let's say you have a corrupted data file or lost a data file. Oracle can mount the database. But it will not open the database. What you can do is to set the bad data file as offline befor o... 2007-05-02, 5096👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML