oracle 11g book

1. directpath reads description In versions earlier than Oracle 11g, if a full table scan is performed on a large table, the wait event is: DB file scattered read; in 11g, if a full table scan is performed on a large table, wait event is: direct path read; that is, in 11 GB, full table scan of large tables directly reads data blocks into the PGA region of the se

in the IP of the server650) this.width=650; "Src=" https://s2.51cto.com/wyfs02/M01/96/3C/wKiom1kecpHj5NQQAADdP9jKZ-Y886.png-wh_500x0-wm_ 3-wmp_4-s_1026585633.png "title=" Netca_12 "alt=" Wkiom1kecphj5nqqaaddp9jkz-y886.png-wh_50 "/>Here's the Yes test, and then the end of the same as before, to this Oracle installation deployment has been completed[[email protected] ~]$ lsnrctl start# Start monitoringUnder Start test under

following options: ASM This is the preferred storage option for Oracle and is the only configuration supported in the RAC Standard Edition OCFS2 Bare devices are not recommended, not only because they are deprecated by the new Linux kernel, but also not supported in Oracle 11.2 Network File System (NFS) The Red Hat Global file System is only supported in Red Hat and

This article will share with you the Problems and Solutions encountered when installing Oracle 11g on Windows 7. First, on the Windows 7 flagship edition, the Oracle 11g prompts the following error when "product-specific precognition condition check: In the first image, we can see that the check fails when

Tags: dump 11g r2 Pat ROR use path Comm limit exportSelection:32-bit memory is a bottleneck, already 64-bit era. Use 64-bit CentOS6 and 64-bit Oracle 11g R2In virtual machine installation, the network is set up by hostonly modeNote: Network adapter to set up ICS (Internet Connection Sharing) to the VMware network Adapter VMnet1So for virtual machines, the gateway

Oracle 10g UPDATE 11g Training Project 1. Project Process:1. Install 11.2.0.3 database software on the server where the Oracle 10.2.0.5 database is located2. Execute dbua in the environment variable 11.2.0.3 and upgrade the Graphical Database.3. Subsequent work: Modify compatible and other operations in spfile2. Modify Linux Kernel Parameters and necessary instal

Tags: revert to my many help summary pen. NET Preparation SpecialTransferred from: https://www.jb51.net/article/52269.htm This article mainly introduces the Oracle 11g Dataguard parameters in detail, including the independent parameters, the main library parameters, the library parameters detailed description, the need for friends can refer to. Note: This article is translated from

undertakes read operations. This architecture is suitable for read-intensive types of applications, and read performance can grow linearly by increasing the number of Slave DB. To avoid a single point of failure in Master DB, the cluster typically uses two Master db for dual-machine hot standby, so the entire cluster has very high levels of read and write availability. In addition to providing Active Standby functionality from 11g, mysql,

=" A18.png "alt=" Wkiom1yto7karfefaafiph9sdx4837.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M00/74/E0/wKioL1Yto-PSYIvFAAHacvYcH4Q981.jpg "style=" float: none; "title=" A19.png "alt=" Wkiol1yto-psyivfaahacvych4q981.jpg "/>650) this.width=650; "src=" http://s3.51cto.com/wyfs02/M01/74/E0/wKioL1Yto-OR9rveAAIsLeQguGY016.jpg "style=" float: none; "title=" A20.png "alt=" Wkiol1yto-or9rveaaisleqgugy016.jpg "/>After waiting for 35, the database is complete, then test it:Simple validati

Solution to ORA-01417 under Oracle 11g Today there is customer feedback, there is a SQL on 12C no problem, on Oracle 11g, the error is reported, the error content is ORA-01417: The table can be externally connected to at most one other table. This section analyzes the SQL statements and abstracts them into the followin

Oracle 11g Alert Log location Oracle 11g Alert Log location 1. Obtain ADR-related information by querying the v $ diag_info View ADR(Automatic Diagnostic Repository)--> A a file-based hierarchical data store for managing diagnostic information, including network tracing and logging. Code: sys@ora11g>select * from v$dia

can be fixed, you may need to re-build the DG or Apply the new Standby, and then switch back to the Primary role. Failover may cause data loss due to the fault type of the Primary site.There are many tools for Switchover and Failover. The most common tools are SQL Command, Data Guard Broker, and DB Grid Control. This article describes how to use SQL Command to perform Switchover operations. References: Important configuration parameters of Oracle Dat

The following is a summary of the problems encountered when oracle 11g uses deferred_segment_creation to create a feature. Problem 1: You can create tables in all tablespaces. Problem 2: exp cannot export empty tables. Problem 1: Version: oracle 11.2.0.1.0 Select * from v $ version; create user aaa and grant the connect and resource roles to the User, but revoke

restriction can be used only when there is no record in the table or the default value is specified.1.3 DescriptionThrough the above description, I have a certain understanding of add column. Before Oracle 11g, if we want to add a column that is not empty, we need to specify the default value. If the table is very large, after adding the column, update all records in the table and add new default values. T

Detailed introduction to services and services required for Oracle 11gAfter successfully installing the Oracle 11g Database, you will find that your computer runs slowly, and your computer with low configuration may even experience very bad conditions, by disabling non-essential Oracle services, you can speed up your c

Tags: Oracle 11g r2 Standard Edition 64-bit Linux installationInstallation Environment:Redhat ES 5.5 64-bit, system memory 8g,swap 10G, Oracle 11G R2 Standard EditionOne, Oracle pre-installation PreparationCheck the package and you must install it all:binutils-2.17.50.0.6com

Tags: Session set EPO BSP Ongl important tips title IDTJob required, installed Oracle 11g, an error occurred while importing the backup data on other machines:IMP-00019: Deny row due to ORACLE error 12899IMP-00003: Encountering ORACLE error 12899ORA-12899: Column "ZHENG". " D_dic "." Dicexplain "value is too large (act

Nothing's going on today. Installed Oracle database, but in this process encountered a lot of problems, here want to share with you.At first I installed the Oracle 12c, but this installation does not matter, Ann me a full half a day is not well, in the configuration of Security window there is no time, the current user does not have access to the temporary folder permissions, at that time, Baidu has a lot o

In Oracle 11g RAC, it is found that both the Solaris and GSD services are in the offline status, which is the default situation of Oracle 11g RAC. Even so, the use of the database is not affected, because the resource for the WLM is used, WLM is available in 11.2.0.2. GSD is used to support interaction tools such as db