How to reset the MySQL Database Password

How to reset the MySQL Database Password How to reset the MySQL Database Password Method 1:Add the following to the [mysqld] field of my. ini:Skip-grant-tablesRestart the mysql service. mysql can log on to the database without a password.Then go

DataGuard how to transmit Redo to Standby

DataGuard how to transmit Redo to Standby DataGuard transfers redo to standby and then applies the redo on standby to ensure data consistency between the two.The lgwr process is used to transmit redo logs. In the lgwr transfer mode, the lgwr process

CentOS6 change the MySQL data storage location

CentOS6 change the MySQL data storage location When mysql is installed using yum, the default data is stored in/var/lib/mysql. Generally, to ensure data security, we recommend that you store the mysql database data files in the directory of the

Error Sanity check failed during mysqlbinlog backup

Error Sanity check failed during mysqlbinlog backup When I reviewed MySQL binary logs today, I found some problems:Mysqlbinlog-uroot-proot/usr/local/mysql/data/node1.000004 -- start-datetime = "13:30:00" -- stop-datetime = "13:45:00"> a. SQL ERROR:

How to deal with Oracle DataGuard archive log loss

How to deal with Oracle DataGuard archive log loss A database is configured with Physical Transaction uard (hereinafter referred to as dg). Because no check is performed, the archive day is deleted on the master database, and the slave database is

CentOS6.5x64 install 64-bit Oracle 11g in silent mode

CentOS6.5x64 install 64-bit Oracle 11g in silent mode 1. Download the 64-bit Oracle11g source file and upload it to the Linux server. 2. Package installation check and installation: Install the tool using yum: Yum-y install binutils compat-libstdc ++

Differences between statements for querying by page in Oracle, MySQL, and SQL Serve

Differences between statements for querying by page in Oracle, MySQL, and SQL Serve ★First, define the parameters to be used in the paging statement: Int currentPage; // current pageInt pageRecord; // number of records displayed per pageTake the

Introduction to Kingshard MySQL Middleware

Introduction to Kingshard MySQL Middleware Functions: MySQL table sharding and a series of MySQL operations such as adding, deleting, modifying, and querying tables. The master-slave architecture of MySQL can be expanded to facilitate distributed

MySQL alter table storage engine (myisam & lt ;=& gt; innodb)

MySQL alter table storage engine (myisam innodb) View the supported database engines and default database engines of the current MySQL database 123456789101112131415 mysql> show engines;+--------------------+---------+-------------------

ERROR 1130 (HY000) When remotely connecting to the MySQL server)

ERROR 1130 (HY000) When remotely connecting to the MySQL server) When we remotely connect to the MySQL server, the following error is reported.[Root @ d1_cvmzjgltest2 ~] # Mysql-h 10.1.1.6-u root-pEnter password:ERROR 1130 (HY000): Host '10. 1.1.5

Use dbms_transaction to obtain the transaction ID

Use dbms_transaction to obtain the transaction ID The most common way to find the current transaction ID and rollback segment is to execute the following SQLSQL> select xidusn, xidslot, xidsqn from v $ transaction, v $ session where saddr = ses_addr;

XtraBackup enables MySQL to redo master-slave replication without stopping services

XtraBackup enables MySQL to redo master-slave replication without stopping services You can use mysqldump to implement MySQL master-slave synchronization without stopping services, but this efficiency is relatively low. XtraBackup is used to achieve

How to connect Java to the MySQL database

How to connect Java to the MySQL database How to connect Java to the MySQL database Download: mysql-connector-java-5.1.38.tar.gz Http://dev.mysql.com/downloads/connector/j/ Tar zxvf mysql-connector-java-5.1.38.tar.gz Decompress the package Bkjia @

Oracle Database Table fragmentation required

Oracle Database Table fragmentation required Recently, a mysql user asked me if the table in the Oracle database needs to be split regularly because of the storage of the Oracle data table. Unlike the clustering organization table (IOT) used in

Python scripts for migrating MySQL Data to MongoDB

Python scripts for migrating MySQL Data to MongoDB MongoDB is a document database with a natural advantage in storing small files. As the business requirements change, you need to import the Row Records in the online MySQL database to the document

Java calls the Oracle stored procedure and returns multiple result sets

Java calls the Oracle stored procedure and returns multiple result sets Oracle version: 11 GB The Oracle stored procedure uses a cursor to return data sets of multiple rows and columns: Create or replace procedure SP_DATA_TEST (/* P_ID in int, */--

How to efficiently write large amounts of data to Redis

How to efficiently write large amounts of data to Redis Recently, a buddy asked in the Group how to quickly import these IP addresses to Redis when there is a log containing IP addresses (one row per row. I initially recommended the Shell + redis

CentOS 6.5 install MySQL-5.5 via yum

gpg

CentOS 6.5 install MySQL-5.5 via yum 1. Install the yum source for the mysql-5.5 rpm -ivh http://repo.mysql.com/yum/mysql-5.5-community/el/6/x86_64/mysql-community-release-el6-5.noarch.rpm 2. Modify the installed yum Source Edit the/etc/yum. repos.

Redis cluster creation and deployment documentation

Redis cluster creation and deployment documentation Redis cluster creation and deployment documentation 1. Install dependencies (not always install so many dependencies. I have installed mysql and php in my environment, so I didn't need to test the

Installing MySQL 5.6.10 package conflict in Linux

Installing MySQL 5.6.10 package conflict in Linux By default, the Liunx operating system will install lib files such as mysql-libs-5.1.73-5.el6_6.x86_64, which will conflict with the installation file of MySQL5.6.10, the first installation is as

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