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  Summary of uninstalling MySQL for Linux platform

  1: check if the MySQL component is installed. [root@DB-Server init.d] # rpm-qa | grep-I mysql MySQL-devel-5.6.23-1.linux_glibc2

  2022-06-01 06:02:32 Views: 277
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  An error occurred while logging in to the version of oracle database installed by windows. ORA-12560:TNS: protocol Configurator failed

  Today, when logging in to the test database, the win system appeared. The oracle database is 11.2.0.1.0. The following error occurred when logging in using sqlplus: there are many solutions on the Internet. Tell me about my solution process: the following is to learn from other people's solutions and monitor.

  2022-06-01 06:02:21 Views: 220
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  A brief introduction to the Startup process of MySQL Database

  1. Read the transaction log and get the most recent checkpoint. 2. Traverse system tablespaces, get double_write, check pages, and synchronize data to independent tablespaces. 3. Go through the things after the checkpoint and redo the data. According to [spac]

  2022-06-01 06:02:20 Views: 267
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  Step by step to build the DG of a single instance of 11gR2 rac+dg configuration (8)

  RAC master library configuration single instance ActiveDataguard document structure: one of the things you should pay attention to in the process of configuration here is to look at the alarm logs of rac1, rac2 and dg for a deeper understanding of the configuration process. Configure dg for oracle rac

  2022-06-01 06:02:16 Views: 273
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  Oracle Database Server & # 039 TNS Listener' remote data poisoning vulnerability

  With regard to the CVE-2012-1675 Green League scanning system, a security vulnerability is reported, and the security of Normal 07.8lb 0.2 false false false EN-US ZH-CN X-NONEoracle is studied.

  2022-06-01 06:02:15 Views: 278
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  The murder caused by the misplacement of a double quotation mark in MySQL

  Source: For DBAwww.fordba.com/mysql-double-quotation-marks-accident.html 1, preface recently often encountered developers mistakenly delete and update data, this is not, they found me a hemp

  2022-06-01 06:02:12 Views: 232
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  Performance_schema detailed explanation 1

  1. What is the performance schema of performance_schemaMySQL which is used to monitor the resource consumption, resource waiting and other conditions of MySQL server during a lower level of operation. It has the following characteristics: a

  2022-06-01 06:02:12 Views: 229
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  MySQL: a special problem

  -problem description if a table has a federated index, the index record is as follows: id1 id21 101010102 202020303 30 means the number filtered by a

  2022-06-01 06:02:11 Views: 270
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  String type and operation of Redis

  Set: set the value of key to value of type string. 127.0.0.1 set name stoneOK127.0.0.1:6379 > get name "stone" 127.0.0.

  2022-06-01 06:02:08 Views: 298
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  Axure RP 9 for Mac (prototype Design Software) 9.0.0.3708 Chinese version

  Bring you the Chinese version of Axure RP 9, an easy to use prototype design software on Mac. Axure mac is a professional website prototype design tool designed for UX professionals and business analysts! Can help them quickly create wireframes, prototypes and specifications for applications and websites! New function

  2022-06-01 06:02:08 Views: 296
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  An example of double password experiment in MySQL8.0.16 account

  Starting with MySQL 8.0.14, user accounts are allowed to have double passwords, designated as primary and secondary passwords. The dual password function can seamlessly perform credential changes in the following scenarios: the system has a large number of MySQL servers, which may involve master-slave replication of multiple applications connecting to different MyS

  2022-06-01 06:02:08 Views: 278
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  SP2-1503: unable to initialize Oracle call interface

  Problem description: under win10, cmd run input sqlplus error: SP2-1503: unable to initialize Oracle call interface SP2-0152: ORACLE does not work properly solution: run sqlplus as an administrator

  2022-06-01 06:02:07 Views: 245
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  MariaDB 10.1 source code installation process (CentOS 6.5)

  -- install the required package [root@localhost mariadb-10.1.14] # yum install bison bison-devel ncurses libxml2 libxml2-dev

  2022-06-01 06:02:07 Views: 254
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  Oracle DML/DDL synchronous data (OGG_12.2_for_Windows)

  Oracle DML/DDL synchronous data (OGG_12.2_for_Windows) Oracle DML/DDL synchronous data (OGG_12.2_for_Windows) 1. The environment prepares and installs Gold

  2022-06-01 06:02:02 Views: 286
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  Mysql- physical backup-Percona xtrabackup

  Xtrabackup is a backup tool developed by percona for mysql physical hot backup. There are a total of four executable files after the software installation: the innobackupex:perl script, which is used to back up non-innodb tables and calls xtra.

  2022-06-01 06:01:55 Views: 234
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  Oracle partition switching (exchange) technology

  Requirements: a partitioned table with hundreds of millions of pieces of data, to separate some old data and put it on a new table. Divided by time, the data before the specified time is placed in the old data table, the data after the specified time is kept in the original table, and then the backup tablespace of the old data is truncate. According to the operation of the partition.

  2022-06-01 06:01:52 Views: 236
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  Introduction to [MongoDB] 3.0 configuration file

  Overview: control instances can be started through configuration files when starting mongod and mongos. The configuration file contains settings equal to the mongod and mongos command options. It is easier to use configuration files to manage mongod and mongos, especially for large-scale

  2022-06-01 06:01:52 Views: 261
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  MySQL truncate principle

  Https://dba.stackexchange.com/questions/147600/mysql-truncate-table-blocks-queries-in-other-database

  2022-06-01 06:01:52 Views: 287
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  The concept of Rman incremental backup and the setting of Block tracking

  Rman's incremental backup differential increment (Differential) backs up all blocks that have changed since a low-level or the same level backup, as the name suggests, that is, the cumulative increment of differential blocks (Cumulative) since the previous backup is the backup NMI level 1 (above

  2022-06-01 06:01:48 Views: 239
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  Mysql deletes the database without running away.

  Last night, a programmer of a luxury e-commerce website shook his hand and deleted a library of Aliyun rds. It was more than 11:00 at that time, and ten thousand alpacas were galloping in his heart. Fortunately, he didn't let me do it, so I restored it. Yesterday morning, the programmer of another website shook his hand and gave it to a library to be used.

  2022-06-01 06:01:40 Views: 304