oracle 11g sql certification

committed on the master database depends on whether the transaction is accepted on standby and whether the log data on the application is applied. Therefore, data may be lost during Failover. As a DBA, we need to consider how to protect data and reduce data loss (Gap) as much as possible when the site of the Primary site permits (because the fault of the Primary is unknown ).This article mainly demonstrates the Failover process. References: Important configuration parameters of

file $ ORACLE_HOME/dbs/initcrnophq. oraDb_name = crnophqMemory_target = 100G Database creation script:Create database crnophqUser sys identified by oracleUser system identified by oracleLogfile group 1 ('/opt/app/oracle/oradata/crnophq/redo01a. log') SIZE 2000 m blocksize 512,GROUP 2 ('/opt/app/oracle/oradata/crnophq/redo02a. log') SIZE 2000 m blocksize 512,GROUP 3 ('/opt/app/

Some ASP. NET + Oracle 11g learning and writing essays. This seriesArticleIt can help. net that is unfamiliar with Oracle and is not even used at all.ProgramStaff, can get started and develop applications in the shortest time, to avoid having to spend as much time as I did for the support team to flip books, Query files, create code for implementation and test, a

SQL> set autotrace on; Sesql SQL> select count (*) from Dave; Count (*) ---------- 300000 Execution Plan ---------------------------------------------------------- Plan hash value: 1718719579 ------------------------------------------------------------------- | ID | operation | Name | rows | cost (% CPU) | time | ------------------------------------------------------------------- | 0 | SELECT statemen

Oracle Linux 5.5 (64bit) Installation of Oracle 11g R2 RAC graphic tutorial 1. Preparations before installation:Operating System: Oracle Linux 5.5 64bitCluster software: GI 11.2.0.1Database: database rdbms 11.2.0.12. Resource preparation:Oracleasm-2.6.18-194.el5-2.0.5-1.el5.x86_64.rpmOracleasmlib-2.0.4-1.el5.x86_64.rpm

: Connected to: Oracle Database 11g Enterprise Edition release 11.2.0.3.0-64bit Production With the partitioning, OLAP, Data Mining and real application testing options Sql> third, the database builds the storehouse Enter the command DBCA in the current terminal window and eject the library interface. [Oracle@local

Oracle 11g New Features 09-10-10Oracle 11g new feature: Rman backup skips the free interval 09-10-10Oracle 11g new feature: Server Result Cache Test 09-10-10Oracle 11g new feature: One of Result Cache 09-10-10Oracle 11g new f

language and add the environment variable NLS_LANG. The value is SIMPLIFIED CHINESE_CHINA.ZHS16GBK. If you do not know the ORACLE language of the remote database, you can ssh or telnet to the remote machine, enter the command interface, and use the command line to connect to the database. Select * from nls_instance_parameters; View the value of NLS_LANGUAGE NLS_LANGUAGE NLS_TERRITORY 5. download and install the PL.

(win32_11gr2_client.zip):When choosing an installation type, select Administrator, such as:the other steps are similar to the installation server side. B. PL/SQL Developer installation Note:before you install PL/SQL, you need to install the Oracle client first. My system environment:1, 64-bit Windows 7 Ultimate Edition2, 64-bit

New Features of Oracle 11g (36 in total) I. Database Management ·1. Database Replay) This feature can capture the load of the entire data and pass it to a test database created from the backup or standby database, and then repeat the load to test the system tuning effect. ·2. SQL replay (sqlreplay) Similar to the previous feature. However, it only capt

default, both attributes are set to 10.1. to use new features, you must promote these attributes. Setting the compatibility attribute to an earlier version allows the client to access a later version of the disk group. For example, the Oracle 10g client can access the Oracle 11g ASM disk. The Compatibility attribute settings of the ASM and

: global_11g_schema/global_11g_install.sql inflating: global_11g_schema/global_11g_readme.html Run global_11g_install. SQL with sqlplus [oracle@localhost ~]$ lsglobal_11g_install.sql global_11g_readme.html global_11g_remove.sql global_11g_source.dmp Templates[oracle@localhost global_11g_schema]$ sqlplus /nolog @global_11g_install.sql

wasn't restored from a sufficiently old backupOra-01110:data file 1: '/OPT/ORACLE/ORADATA/TPY100/SYSTEM01.DBF 'Is the standby monitoring is not open, using lsnrctl start, start monitoring, and then open the database will not error.sql> ALTER DATABASE recover managed standby database using current logfile disconnect from session;The test has the following statement:Sql> select sequence#,applied from V$archived_log;

information, this feature can package information related to an event. You can also send the packaging information to the Oracle Support Team.· Feature-based Patching)During patching, this feature makes it easy for you to differentiate the features in the patch package that you are using and must play. Enterprise Manager (EM) enables you to subscribe to a feature-based patch service, so Enterprise Manager can automatically scan for the features you a

Oracle 11g Installation Prior to installation to determine their own computer configuration, in Windows, for example, if it is Win7 the following systems such as XP, you can choose Oracle 10g. Because the 10g program files only 200 trillion, and 11g and reached 2G, the official download path to the file can not be fou

BKJIA featured translations] in the previous articles, BKJIA briefly described several new features of Oracle 11g R2, referring to the Oracle 11g topic ). Finally, let's make a summary to introduce some of the new features in Oracle 11g