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Oracle may have this requirement to obtain the date after the specified working day. You want to obtain the specific date after the delay (excluding weekends and holidays) based on the start time and the number of days after the specified working day ), for example, get the date after 5 working days based on the date 2012-08-27 and get the specific date 2012-09-03. What should we do in this case? This article will solve this problem from the database
Tags: NFS Install listen recommended move configuration between trading Geo Mic
Directory
Cache Fusion principle
What is Cache Fusion?
What is high availability
The difference between FAILSAFE and RAC
RAC and OPS differences
Differences between hot standby, RAC, and Data guard for dual machines
Communication between nodes (interconnect)
Lock
Consistency managemen
Cache fusion Technology and main background process (iv)
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,
In a single instance, to modify a data block, the process must modify it on the Current copy of the data block.
The same is true for RAC environments.
This involves a series of problems:
How to obtain the distribution chart of data block versions between cluster nodes?
How do I know which node has the current version?
How to complete the transfer process?
The solution to this series of problems relies on the memory fusion technology (cache
BEIJING, October 24, 2006-Oracle Fusion Middleware will be used in Oracle Convergence middleware in San Francisco's 2006 Oracle Global Technology and Applications conference to provide further open and flexible IT environments for developers and customers Further expand open standards for the establishment, deployment,
need to configure the relevant user information, and the user is created during the installation process, as shown in:650) this.width=650; "title=" image "style=" border-right-width:0px;background-image:none;border-bottom-width:0px; padding-top:0px;padding-left:0px;margin:0px;padding-right:0px;border-top-width:0px; "border=" 0 "alt=" image "src=" Http://s3.51cto.com/wyfs02/M01/84/8E/wKioL1eUhF3xkxqFAACqVtwWGeU199.png "Width=" 520 "height=" 389 "/>650) this.width=650; "title=" image "style=" bor
To build a WebCenter, you need to build an environment. I plan to write several articles for sharing and recording: database, RCU, Weblogic, WebCenter Portal, WebCenter Content (UCM), and environment configuration.
1. First, you need to install the database. RCU supports IBM DB2 during installation. Here I select Oracle
Share environment Selection: Oracle Linux 5, Oracl
LMS: This process is responsible for most of the work of GCS, it maintains the information of block resources in GRD, completes the transfer of data blocks between instances, and sends and receives related messages. There are multiple LMS processes in each DB instance, named LmsLMD: This process is mainly responsible for the management of GES related resources, GES resources mainly refers to the queue (Enqueue) resources in Oracle, because the RAC dat
Oracle RAC Cache Fusion is the most central working mechanism of RAC. He took all the instances of the SGA virtual into a large SGA area, each time the different instances request the same data block, the data block will need to be passed between the instances.When did it pass?Assuming that the RAC has 4 nodes, one of the nodes running a SQL is a full table scan of a table, this time the node to load the ta
Next to Oracle Fusion Middleware I: database and RCU (SEE), this article describes the installation of Weblogic, UCM (WebCenter Centent), and WebCenter Portal.
1. Weblogic selects 10.3.6.0 and can be installed using the Installation File of JDeveloper 11.1.1.6.0.
For the installation and configuration of WebLogic, refer:
2, UCM (WebCenter Centent)
Before installing RCU, see
Http://www.oracle.com/technetwork/middleware/ias/downloads/fusion-certification-100350.htmlThe default download of the JDK on the Oracle website is up-to-date, and the current version of the 1.8beta version has been released.But some project requirements are 1.6 jdk, fee Dickens finally found the official version of 1.6, the link is as follows:Http://www.oracle.com/technetwork/java/javase/archive-139210.htm
Oracle RAC cache fusion is the core working mechanism of RAC. It virtualizes the SGA of all instances into a large SGA zone. Each time different instances request the same data block, this data block needs to be transmitted between instances. So when will it be passed? In addition, RAC has four nodes, one of which executes an SQL statement to scan a table from the entire table. At this time, the node loads
Oracle RAC Cache Fusion is the core work of RAC, which takes all instances of the SGA virtual into a large SGA area, which needs to be passed between instances whenever different instances request the same data block. So when is it going to pass? Plus RAC has 4 nodes, one of the nodes executed a SQL is a full table scan a table, this time the node to load the table data into the cache, the other node if the
Specify user name password to start the Management ServerYou can start and stop Oracle WebLogic Server administration Servers using the WLST command line or a script. When you start or stop the administration Server, you also start or stop the processes running in the administration Serve R, including the WebLogic Server administration Console and Fusion middleware Control.For example, to-start an administr
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