Oracle RMAN backup-control file backup

Oracle RMAN backup-control file backup Go to the RMAN page Rman target/ RMAN> Change the backup mode of control files to automatic backup RMAN> configure controlfile autobackup on; Check whether the backup of the control file is automatic

Use cmake to compile and install MySQL 5.5

Use cmake to compile and install MySQL 5.5 First, upload the source code package cmake-2.8.8.tar.gz?mysql-5.5.32.tar.gz to the server. Decompress and install cmake [Root @ localhost ~] # Tar-zxvf cmake-2.8.8.tar.gz[Root @ localhost ~] # Cd cmake-2.8.

MySQL storage engine features and selection suggestions

MySQL storage engine features and selection suggestions Common storage engines of MySQL official storage engines include Innodb, MyISAM, Memory, Archive, NDB, and BDB. The most famous third parties are TokuDB, Infobright, InnfiniDB, and

MySQL uses binlog to restore Data

MySQL uses binlog to restore Data 1. What is binlog? 1. Basic definition of binlog: Binary logs are also binary logs that record SQL statements that occur or potentially change data and are saved in the disk in binary format; Binary log information:

Solve the Problem of mysql stop fail in Ubuntu

Solve the Problem of mysql stop fail in Ubuntu I recently encountered a MySQL stop fail problem when I was studying mysql. Here I will write down the problem and the solution process, not how difficult it is, however, I did not find a valid Chinese

ASM management-how to rename diskgroup

ASM management-how to rename diskgroup The new diskgroup rename function is added in ASM 11.2.0.1. You can use the renamedg command to rename the created diskgroup. Before renaming, you must first dismount diskgroup. If the renamed diskgroup is

MySQL5.6 master-slave replication Configuration

MySQL5.6 master-slave replication Configuration Environment Description: Two MySQL5.6.21 Servers installed in CentOS6.5: master and slave Master Server: IP: 192.168.80.51 Port: 3316 Slave Server: IP: 192.168.80.52 Port: 3316 Configuration steps: 1.

On the design scheme of the Oracle standby Database

On the design scheme of the Oracle standby Database Oracle's ADG is needless to say. In terms of storage circles, the storage is changing from passive to active, but in general it is being snatched by software and RAID is snatched by ASM, snapshots

View ASM disk space

View ASM disk space You can view the ASM disk space through the operating system or in sqlplus. [1] view methods in the operating system [Grid @ db01 ~] $ AsmcmdASMCMD> lsdgState Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB

MySQL stored procedures and triggers

MySQL stored procedures and triggers I. Stored Procedure The basic format of the stored procedure is as follows: -- Declare the Terminator-- Create a stored procedureDELIMITER $ -- declare the end of the stored procedureCreate procedure pro_test () -

Oracle viewing Object Information

Oracle viewing Object Information 1. View information about all objects of a user: SELECT owner, object_type, status, COUNT (*) count #FROM all_objectsWhere owner = 'xxx'Group by owner, object_type, statusOrder by 2; 2. view the number of rows in

MySQL Partition Table Management

MySQL Partition Table Management I. How to manage RANGE and LIST partitions This partitioned table is used as an example. CREATE TABLE members ( id INT, fname VARCHAR(25), lname VARCHAR(25), dob DATE)PARTITION BY RANGE( YEAR(dob) ) (

MySQL loose index scan

MySQL loose index scan As we all know, InnoDB uses the index organization table (IOT), which is called the index organization table, and the leaf node stores all the data, which means that the data is always stored in a certain order. So the

MySQL composite Partition

MySQL composite Partition In the end, it is still open-source software. MySQL's support for composite partitions is far from that of Oracle. In MySQL 5.6, only the RANGE and LIST subpartitions are supported, and the subpartitions can only be HASH

MySQL InnoDB table-Basic BTree Data Structure

MySQL InnoDB table-Basic BTree Data Structure MySQL InnoDB table is an index organization table. This should be the first thing that anyone who learns MySQL will learn. This means that the data in this table is stored in the primary key order, that

MySQL Group By optimization

MySQL Group By optimization I wrote a blog post on MySQL's loose index scan (). Later I found that the main purpose of the optimization method mentioned last time was to implement loose index scan, at the execution plan level, the Extra information

Build an environment for Python3.3 accessing Oracle 11gR2 on CentOS6.3

Build an environment for Python3.3 accessing Oracle 11gR2 on CentOS6.3 Build an environment for Python3.3 accessing Oracle 11gR2 on CentOS6.3 View the built-in python path and version of CentOS[Root @ oracle11g ~] # Which python/Usr/bin/python[Root @

How to configure the world's smallest MySQL Server

How to configure the world's smallest MySQL Server Configure the world's smallest MySQL Server-how to install a MySQL server on an Intel Edison control panel. Introduction In my recent blog post on IOT, messaging, and MySQL, I showed if the Particle

OpenResty Load Balancing MySQL

OpenResty Load Balancing MySQL OpenRestyHttps://openresty.org/download/ngx_openresty-1.9.3.2.tar.gz Nginx_tcp_proxy_module needs to be downloaded separatelyHttps://github.com/yaoweibin/nginx_tcp_proxy_module First, extract the above files[Nginx @

Centos 7 installation configuration Redis-3.0.0

Centos 7 installation configuration Redis-3.0.0 Centos 7 installation configuration Redis-3.0.0 1. install necessary packages yum install gcc Ii. Installation in Linux # Download wget http://download.redis.io/releases/redis-3.0.0.tar.gztar zxvf

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