MySQL read/write Splitting Based on Amoeba in CentOS

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How to export empty tables from Oracle

How to export empty tables from OracleBackground Using the Exp command after Oracle 11g does not export an empty table (rowcount = 0), which is a very bad problem recently encountered in the work and has even been pitted more than once, therefore,

Configure user and user permissions in the MySQL database

Configure user and user permissions in the MySQL database Problem: when using a remote tool written by a great god to manage the MySQL database, all the data can be properly displayed, but cannot be deleted or modified. Idea: You can remotely read

Efficient data migration using the table space technology that can be transferred

Efficient data migration using the table space technology that can be transferred This article demonstrates the Oracle tablespace migration process and many precautions. Tutorial objective: to migrate the tablespace TBS_SEC_D on the oracle 10g

MySQL semi-synchronous Replication

MySQL semi-synchronous Replication MySQL supports semi-synchronous replication as a plug-in starting from MySQL5.5. How can we understand semi-sync? First, let's look at the concept of Asynchronization and full synchronization. Asynchronous

How to modify the MySQL administrator password

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MySQL Thread Pool

MySQL Thread Pool The MySQL thread pool is only available in Percona, MariaDB, and Oracle MySQL Enterprise Edition. Oracle MySQL Community edition is not available. In the traditional mode, there are two thread Scheduling Methods for MySQL: one

Install and deploy Redis in Linux

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Use XtraBackup for MySQL master-slave replication without locking tables

Use XtraBackup for MySQL master-slave replication without locking tables Xtrabackup is an open-source project of percona to implement the innodb Hot Backup function similar to InnoDB's official Hot Backup tool. It can quickly back up and restore

Expdp and impdp parameter usage

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Differences between exp/imp and expdp/impdp During normal slave database and database migration, it usually takes several hours to use exp when encountering a large database, which takes a lot of time. It takes much less time for Oracle10g to use

Comparison of exp and expdp export performance

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MySQL stress testing tool mysqlslap

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Oracle skip index scan test

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Redis persistence Overview

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Oracle user status query

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Oracle 11g Username Password 180 days overdue Processing The Oracle 11g user name and password have expired. The solution is as follows: 1: log on to the console for verification. The JDBC test provided by weblogic can verify the database

Use ESCAPE to define escape characters in SQL.

Use ESCAPE to define escape characters in SQL. Use ESCAPE to define ESCAPE characters When the LIKE keyword is used for fuzzy search, "%", "_", and "[]" appear separately, and are considered as wildcards. To check whether there are percent (%),

Summary of methods to prevent SQL Injection in node-mysql, node-mysqlsql

Summary of methods to prevent SQL Injection in node-mysql, node-mysqlsql SQL Injection SQL injection is one of the most common methods of network attacks. It does not use Operating System bugs to launch attacks, but is aimed at the negligence of

Problems and Solutions for installing nexus private server in Maven nexus, mavennexus

Problems and Solutions for installing nexus private server in Maven nexus, mavennexus 1. When installing nexus in win10, the system prompts: wrapper | OpenSCManager failed-Access denied. (0x5) The primary reason is that you do not have permissions.

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