oracle 11g end of support

optimizer to prefer a full table scan rather than a range scan. Check the DEGREE column of the All_tables table to determine the degree of parallelism. Full table Scan hintsUse full (table alias) to command the optimizer to use the whole table scan. Reference "indicates access path". You can use cache and NoCache to indicate whether the retrieved blocks are placed in the buffer cache. The cache command optimizer, when performing a full table scan, places the retrieved blocks at the

Learning Oracle is a complex and tedious process. In front of the vast array of official Oracle data, new features, MOS data, and a variety of Internal knowledge, we always feel powerless and overwhelmed. However, this is often the pleasure of our constant persistence, accumulation, and pursuit.In Oracle 11g, the third

Basic Import and Export commands for Oracle10g/11g: ExpUser Name/User Password@ Service name File=Save path. dmp Buffer=8192Filesize=10000 m feedback=1000 imp username/user password @ service name file = file path. dmp full = y Generally, data export (including triggers and stored procedures) under a specified user can be completely exported (imported) within 10 Gb ). In addition, you can also export the specified table and specify functions. For

sensitive. In SQL * Plus, each SQL statement must end with a semicolon. If the statement is long, You can distribute the statement text to multiple rows and end with a semicolon. 2.1 common Oracle 11g Data Types Character Type CHAR type CHAR indicates a fixed-length string. If the length is insufficient, spaces are

and datafiles;Modify table space Size (Note: Modify = can be increased and can be reduced.) ）alter?database?datafile '/u01/app/oracle/oradata/orcl/ittbank.dbf ' resize 200m;Increase table space Size (Note: increase = can only increase, cannot be reduced.) ）alter tablespace ittbank add datafile '/u01/app/oracle/oradata/orcl/ittbank.dbf ' size 2048m;Querying database files:select * from Dba_data_files;To que

The Oracle HR example uses 10g, 11g, and oracle11g. Oracle HR example users can create 10g, 11g First, add the 10. SQL files in the attachment (see the end of the article) to this path: $ ORACLE_HOME/demo/schema/human_resources Script Name Description

variable Nls_lang, and the value is simplified Chinese_china. Zhs16gbkIf you do not know the Oracle language of the remote database, you can ssh or telnet to the remote machine, enter it at the command interface, and connect to the database using the command line.SELECT * from Nls_instance_parameters;View the value of Nls_languageNls_languageNls_territory5. Download and install the PL.SQL.Developer configuration appConfigure Tools->preferences->conne

First, IntroductionThe importance of Oracle databases in system operations is self-evident, and the knowledge of operating systems and databases is deepened through familiarity with the installation of Oracle. The environment for this installation test is as follows:Operating system: CentOS 6.5 X64Database: Oracledatabase 11g Release 2 (11.2.0.1.0) for Linux x86-

location:Oracle Base:/u01/app/oracleSoftware Location:/u01/app/oracle/product/11.2.0/gridFill in the Create inventory:Inventory Directory:/u01/app/orainventoryOrainventory Group Name:oinstallAfter installation is completeRunning in R1/u01/app/orainventory/orainstroot.shRunning in R2/u01/app/orainventory/orainstroot.shRunning in R1/u01/app/11.2.0/grid/root.shRunning in R2/u01/app/11.2.0/grid/root.sh16. Install the databaseFirst, make sure all the impo

• Describes the options for restoring data faults • use the new RMAN data repair command to perform the following operations: -List faults-receive repair suggestions-repair faults • Perform preventive fault checks • query the data recovery guidance View Data fault repair • Data Guard provides failover to the standby database so that the operation is not affected by the downtime. • Data Recovery guide is a new feature of Oracle Database

Simple Test of Oracle 11g flash back Archiving The new features in Oracle 11g flash back archive provide a possibility for custom query of historical data. After learning this feature, I found that it is clear and easy to use. If used properly, it is still a good feature.Let's simulate an example.First, create an indep

PID (process identifier) to make sure. So we see the PID of this column identification, look at the 2720 corresponding process is who, if not, we put the following to show all users of the process front of the tick hit, As you can see, the image name is TNSLSNR.exe, and the description is that the main process of Windows is exactly the same as the command view above. 1.5 End the process: Select the process in Task Manager to

Oracle 11g InstallationFirst, the Environment preparation Dividing area /15000M/tmp 4096M/boot 100MSwap 4096M/u01 remaining space2. Change host name, IP address3. Install the PackageThen the Linux system needs to prepare the environment for Oralce to end here, the following is installed after the system installation of Oracle4. Turn off SendMail to