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The wave of big data is surging, and a new information technology revolution is about to begin. Ldquo; Spring River plumbing duck Xianzhi rdquo;, as a database practitioner, I have a deep understanding. However The wave of big data is surging, and a

DG is a disaster tolerance solution provided by oracle, also known as standby. It is only available in the Enterprise Edition and cannot be used in the Standard Edition. DG can have at most one master node and nine DG is a disaster tolerance

In the absence of visual tools to monitor database performance, common scripts come in handy. Below are a few scripts related to Oracle performance for your reference. Below In the absence of visual tools to monitor database performance, common

Oracle10gRAC listener reports TNS-12545TNS-12560TNS-00515 Oracle 10g RAC listener reports TNS-12545 TNS-12560 TNS-00515 Yesterday at the customer site a RAC in the start of listening when the TNS-12545 TNS-12560 TNS-00515 error, after

One of the important features of cmake is that it is independent from the out-of-source compilation function. That is, the compilation can be performed in another specified directory instead of the source directory. One of the important features of

Install the innodb Engine (mysql5.1 is not installed by default). You can add the -- with-pluginsinnobase parameter during configrue during compilation and installation. If Install the innodb Engine (mysql5.1 is not installed by default). You can

The server operating system is Centos5.5. Many systems have been running on the server and PHP5.2.10 is installed. The stable yum installation source version of Centos5.X is 5.1.6 and does not comply The server operating system is Centos5.5. Many

The meb enterprise backup tool is used to automatically record binary information. This backup method requires the installation of a software meb, which is installed in the opt directory by default. The meb enterprise backup tool is used to

Oracle provides us with an available view of these wait events. Based on these views, we can know which events cause the SQL statement to be inefficient and modify or adjust accordingly. Ben Oracle provides us with an available view of these wait

I used to use MySQL on Linux. Now, for debugging convenience, I installed MySQL Windows 5.6.10 ON THE DEVELOPMENT machine and used EntityFrameworkCode. I used to use MySQL on Linux. for debugging convenience, I installed MySQL Windows 5.6.10 ON THE

Mysql master-slave replication is fast, easy to use, and reliable. However, when you check that the Master/Slave Data is inconsistent, it is difficult to identify the problem. Mysql master-slave replication is fast, easy to use, and reliable.

The original Oracle database server runs on the HPDL388G7 server with 32 GB memory. Due to business growth, the memory is tight, and server hardware faults occur from time to time. The original Oracle database server runs on the HP DL388G7 server

If the tablespace file is accidentally deleted or damaged by other programs, Oracle cannot start or exit normally. If the tablespace file is accidentally deleted or damaged by other programs, Oracle cannot start or exit normally. In this

Oracle10gracstandby automatic deletion script for archiving logs Oracle 10g rac standby automatic deletion script for archiving logs Homepage → Database Technology Background:Read News Oracle 10g rac standby automatic deletion

Environment: OEL + Oracle11.2.0.1 a database instance exists in the current environment, but this does not affect the creation of a new instance sun current system instance [oracle @ DBA2 Environment: OEL + Oracle 11.2.0.1 a database instance exists

The performance collection using Statspack is achieved through snapshot, that is, Statspack takes a snapshot of the system performance data at a certain time point, and saves the snapshot in perfst. The performance collection using Statspack is

During the offline server disaster recovery test today, I used shell to operate the database and accidentally dropped several databases of mysql. Instead, I tried to reinstall mysql and recovered it by myself, During the offline server disaster

Oracle only supports the decimal type in syntax, but it is actually the number type at the underlying level. The decimal type is supported to move data from the Oracle database to other Oracle only supports the decimal type in syntax, but it is

MySQL: Sandbox this is really simple to use hellip; you can quickly install one or more mysql server programs. The root user is required for installation. MySQL: Sandbox this is really simple to use hellip; you can quickly install one or more mysql

Looking for a spring transaction rollback error for one day, I finally found the MySQL MyISAM engine, which does not support transaction processing ~~~ See if mysql is used less Looking for a spring transaction rollback error for one day, I finally