equis data management

of locks to maintain internal consistency. Locking mechanism ? Advanced Data concurrency Processing: –use row-level locks when inserting, updating, and deleting– Does the query require no locks? Automatic queue management? At the end of the transaction (using commit or rollback operation)will remain locked beforeThe locking mechanism is used to provide the highest possible

These stupid things should be avoided in data center management In many cases, each of us does not think we will make stupid mistakes. However, when an error occurs, we often regret it. In terms of data center management, we also need to eliminate stupid errors. You must always be extremely cautious when creating a ne

With the rapid development of financial industry in recent years, the demand for information storage and processing ability is more and more high. Various services in the financial industry depend on the management and analysis of information. As a platform to support information application, data center will play a more and more important role. Many users are willing to invest heavily in building new

In Oracle 9i, data can be easily exported to a file or imported from a file. With Oracle's Management Server (Oracle Management server,oms) can be easily implemented, there are many places to explain the entire operation, but the complete guidance is not much. Many of the major forums on the so-called master, the answer to the topic is often, Master is not OMS, w

5.7 cloning a virtual machine 1) Close the virtual machine to be cloned2) Find clone options3) Welcome page4) cloning a virtual machine5) set to create a full clone6) set the cloned virtual machine name and storage location7) waiting to be cloned8) Click Close to complete cloning9) Modify the IP of the virtual machine after cloning[[email protected]/] #vim/etc/udev/rules.d/70-persistent-net.rulesGo to the following page, delete eth0 the row, modify eth1 to eth0, and copy the physical IP address

Label:First, the conceptA tablespace is a logical part of a database.Physically, the database data is stored in the data file;Logically, the database data is stored in a table space, and the tablespace consists of one or more data files. Second, the logical structure of the databaseThe logical structure in Oracle incl

Server patch management for multiple operating systems data centers The Data Center Administrator is playing a game that never ends, that is, chasing servers for patches or updates. When your environment has both Linux and Windows servers, the game becomes more difficult. As we all know, Microsoft's Tuesday patch allows Windows administrators to spend a lot of v

With the deepening of the Internet era and the comprehensive construction of enterprise information Network, data center as a key physical space to store, process, transmit, exchange and manage data information. Its development from small to many, small to large, if only through the increase in the number of managers can not meet the increasingly refined and complex dat