MySQL rolls back the insert statement, leading to a doubling of ibd files'

MySQL rolls back the insert statement, leading to a doubling of ibd files' MySQL rolls back the insert statement, which causes the ibd file to increase by a factor of one. A simple test: Start transaction;Insert into tb1 values (3, repeat ('A', 650

Oracle lag () and lead () Functions

Oracle lag () and lead () Functions I. Introduction The lag and lead functions are two offset-related analysis functions. These two functions can be used to retrieve the data of the first N rows of the same field in a query (lag) and the next N rows

PostgreSQL -- run Supervisord on Ubuntu in Docker

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Monitoring startup reports TNS-12537, TNS-12560 Error

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Enable MySQL 5.6 to support Emoji expressions

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Oracle Linux 5.5 (64bit) Installation of Oracle 11g R2 RAC graphic tutorial

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MySQL InnoDB table-Basic BTree Data Structure

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MySQL Incremental backup script (innobackupex)

MySQL Incremental backup script (innobackupex) 1. in the online environment, I sometimes write a simple script for Incremental backup of the MySQL database. 2. Add an automatic task and execute it every hour or shorter. #! /Bin/sh # Author RuM #

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Solution for Oracle 11g forgetting SYS and SYSTEM passwords

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Inconsistency of master-slave replication data in MySQL

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MySQL database Chinese garbled Problem Solution

MySQL database Chinese garbled Problem Solution After migrating a set of internal systems (confluence), the page is opened and all the question marks are garbled. Cause analysis: Create a database as follows: Mysql> create database confluence

Tips for MySQL display operation control

Tips for MySQL display operation control MySQL explicit formatting 1. Use G to display results vertically by line Unused Mysql> select * from wp_users limit 1, 2; + ---- + ------------------ + Certificate + ---------- + --------------------- + ------

Node. js nano library to process couchdb: timeout required

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Expdp export report ORA-39181 Processing Method

Expdp export report ORA-39181 Processing Method [Environment] database version: Oracle 11.2.0.3 [Error Log] An error is reported when you use the system user to perform database expdp operations. The details are as follows: Starting "SYSTEM".

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