oracle exadata

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Salesforce.com and Oracle reach a long-term agreement on cloud cooperation

standardize on the Oracle Linux operating system, Exadata engineering system, Oracle database, and Java middleware platform. For Oracle, the company plans to integrate Salesforce.com with Oracle Fusion HCM and Financial Cloud and provide core technologies for the applicati

"Oracle" RAC11GR2 grid startup sequence and start-up fault diagnosis ____oracle

Beginning with the 11GR2, Oracle RAC architecture has changed a lot, the cluster level intersect in the previous version has a relatively large change, the original RAC architecture is basically CSSD, CRSD, EVMD three bare skeleton processes, fewer logs, for RAC can not start the reason, The most original way to view the logs of each process one at a while can also find the cause of the failure to start. However, after the 11GR2, the cluster layer has

Table compression in Oracle (11gR2)

the data warehouse environment. That is, data is mainly used for query purposes and seldom involves DML operations. Compression methods and features provided by oracle Oracle improves the total compression mode by 4, which is applicable to different scenarios. They are: Basic compression: high compression, the lowest CPU overhead, applicable to DDS. OLTP compression: high compression, the lowest CPU overhe

Oracle's overseas Website "reproduced"

://community.dbapool.com/index.php 7. The veteran foreign Technical website HTTP://WWW.IXORA.COM.AU/8. Foreign Daniel, ACE Director, can be seen Bo master very profound HTTP://WWW.ORACLE-BASE.COM/9. This guy is also studying Oracle for many years, there are a lot of paper very good, worth sharing http://gavinsoorma.com/10. Julian Dyke's blog, there are several books written well http://www.juliandyke.com/11. Burleson Consulting, a foreign professional

Oracle Database installation of Oracle RAC Cluster under Oracle cluster Linux (eight)

Label:Oracle 11G RAC Database installation (eight) Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This doc

The Oracle database must be patched to the lowest Patchset/PSU/RU translation description, patchsetpsu

/PSU/BP levels or higher patchset/PSU/BP levels mentioned below. Minimum Required PSU/RU Patch Name? Release Data? Patch Number? 12.1.0.2.0 PATCH SET FOR ORACLE DATABASE SERVER 09/01/15? 17694377? 11.2.0.4.0 PATCH SET FOR ORACLE DATABASE SERVER 08/27/13? 13390677? Database patch set update 11.2.0.3.9 (des CPUJAN2014) 01/14/14? 17540582

Oracle Learning Note 4 error when using NAVICAT for Oracle connection Oracle: Ora-28547:connection to server failed, probable Oracle Net admin Error

Tags: http io ar using SP for on file dataThe problem to the machine environment:Oracle 11gR2 64bitNavicat for Oracle 11.0.10According to the practices of some of the great gods on the internet and some of the personal speculations, the following are summarized:The problem occurs because the navicat is inconsistent with the number of bits of Oracle, the former 32bit, the latter 64bitSome of the online pract

Some basic concepts of Oracle 11g RAC (2)

use InfiniBand-based reliable. Datatesockets and Oracle 1.2.0.3 support this method. RDS can be implemented through open fabric enterprise distribution (ofed) on Linux and Windows. RDS features low latency, low overhead, and high bandwidth. The Oracle database server and the exadata storage server use InfiniBand to provide up to 40 Gbit/s bandwidth for communica

Which one is faster for HANA and Oracle 12c

actually after the decoupling of hardware and software, the US enforcing anti-trust legislation for proprietary software and hardware vendors. Hana, as an application and database coupling, is controlled by a single vendor, which brings us back to the earliest days of software.PS. Oracle's Exadata is also a combination of software and hardware, but Oracle does not require that the database be run on

Oracle Environment Configuration-set power on (Linux) auto-start Oracle shutdown automatically shuts down Oracle

Tags: OracleSet power on (Linux) auto-start Oracle shutdown automatically shuts down Oracle1, switch to the root user, confirm that the startup file and the shutdown file is present[Email protected] bin]$ pwd/u01/oracle/product/10.2.0/db_1/bin[[email protected] bin]$ ls DbstartDbstart--sqlplus script to invoke when executing startup[[email protected] bin]$ ls DbshutDbshut--sqlplus the script to invoke when

ORACLE Database recovery ORA-00600 [KCLCHKBLK]

ktftfcload. The cause of this error is: ORA-600 [KCLCHKBLK_4] is caused by an excessively high SCN on the block in the temporary file ,? The ORA-600 [2662] error is also a similar cause. This problem may be caused by the incorrect initialization of the temporary file after open resetlogs. KCLCHKBLK in this ORA-00600 [KCLCHKBLK] represents check block scn after a disk read ORA-600 [kclchkblk_3] [a] [B] [c] The error is reported when the block SCN is less than the last block SCN.Called by the ca

Oracle says its latest memory database is 100 times faster than its hands.

replace them with indexes sorted by memory columns ." Not over yet, Ellison next introduced Oracle's latest M6-32 "Large Memory Machine", and said it is the world's fastest memory device. The number of M6 cores to be listed is twice that of M5, with 32 tb dram Memory configured. "It can quickly move data and process data in memory ." Ellison said the M6 system bandwidth is twice higher than the maximum P795 of IBM. Ellison added that the cost of M6 is less than 1/3 of that of IBM systems. "I sa

PRM an Oracle database disaster recovery ambulance Tool

LOB: BLOB, CLOB, and NCLOB. PRM can directly access the data files on ASM without copying the files from ASM. PRM can directly Save the data files damaged on the ASM Diskgroup, and this function room is free of charge and can be used in the Community edition. PRM has optimized the process of saving the table data truncated by Truncate. You only need to click the mouse to save it. Restrictions Although PRM already supports many features, Oracle te

Table compression in Oracle (11gR2)

Benefits of Compression Compression is an Oracle feature that is more suitable for Data Warehouse Environments. The benefits of compression include: 1. Saving storage space makes sense for massive data volumes. 2. the query performance will be improved (not absolutely) Because physical I/O is reduced and the hit rate of data blocks in the memory is increased. Disadvantages: It may increase the CPU load. Affects the performance of DML operations. Table

Oracle redo complexity-oracle Core Technology Reading Note 3, redo-oracle

Oracle redo complexity-oracle Core Technology Reading Note 3, redo-oracle I. Overview We know that in oracle, Every modification to a piece of data generates a redo (that is, redo, which records the modified content ). The purpose is to back up the modified data for future redo. Now there is a problem. Redo logs are ge

Full Uninstall Oracle|oracle Uninstall | completely uninstall Oracle

Because of the installation of Oracle 10G when there was a problem, and then asked roommates to send a copy of the Oralce 10g client installation package came up. It was possible to use Pl/sql, and then, in the case of a job need, to import an Oracle database backup from a colleague at a time, making IMP statement to import a 6550 error, the internet to check the reason is because the server and the clien

PHP PDO oracle Chinese garbled linux PHP connection oracle PHP Oracle operation using PHP Oracle teach

Resume oracle.sh in/etc/profile.d/ The contents are as follows in Nls_lang setup encoding 1 oracle_home=/usr/lib/oracle/12.1/client642 c_include_path=/usr/include/ oracle/12.1/client643 ld_library_path= $ORACLE _home/lib4# RememberThis was the client Nls_lang not the server one5 nls_lang=6 Export Oracle_ho ME Ld_library_path Nls_lang Then modify the/ETC/INIT.D

Oracle---unit02:oracle string operations, Oracle numeric operations, Oracle date operations, NULL operations

, starting at m and intercepting N characters consecutively.---need to note: The database subscript is starting from 1!!!---n is truncated to the end of the current string if the number that is not specified or specified exceeds the actual character length that can be intercepted. n is the length.---if M is negative, it is intercepted from the countdown position. The number at the end cannot be negative.SELECT SUBSTR (' thinking in from dual;--->inSELECT SUBSTR (' thinking in from dual;--->in---

ANALYST: Oracle may force a big data bundling system

Hadoop implementation and management software. Tightly bound big data machines include Sun server hardware (18 Linux-based x86 Sun servers with 216 processor cores, GB of memory, and TB of raw hard disk space) and Oracle NoSQL database, open-source distribution of R statistics software, and Oracle Java HotSpot virtual machine copy. The big data machine provides 40 Gb InfiniBand access between multiple node

Three-minute reading of Oracle data storage disaster Dataguard

Tags: Ada CTI Company snap log compare archive buffer disaster preparednessOracle database is still at the forefront of commercial databases. The security of the core business and core data running on the Oracle database is particularly important. There are generally two broad categories of disaster recovery products that are common to Oracle databases on the market. Oracle's own disaster-tolerant

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