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  Orcal Database installation Manual

  Orcal database installation manual 1, installation overview: you need to know about the orcal database before installing it. This database is the world's largest database, is one of the most error-prone database installation, but the level of security is the best one. Of course, he is also a model

  2022-06-01 11:48:15 Views: 268
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  Brief notes on oracle installation

  1 | configure user environment vi / home/oracle/.bash_profile # add the following code at the end: export ORACLE_BASE=/data/oracle # oracle database installation directory export

  2022-06-01 11:48:14 Views: 276
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  Basic use of postgresql (1)

  Find your own version on the official website and download the postgresql https://www.postgresql.org/download/ version number: postgresql-9.5.10.tar.bz2 system: CentOS7

  2022-06-01 11:48:14 Views: 236
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  MySQL character Encoding Settings

  There are several ways to view the coding through show variables like 'character_set%%'; to modify the mysql encoding: 1. Modify my.ini (under windows) or / etc/my.c through the configuration file

  2022-06-01 11:48:14 Views: 250
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  Vulnerability reinforcement of arbitrary code execution in Oracle Java SE

  Oracle Java SE arbitrary code execution vulnerability reinforcement currently the manufacturer has issued an upgrade patch to fix this security problem. Get a link to the patch: http://www.oracle.com/technetwork/topics/secu

  2022-06-01 11:48:13 Views: 286
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  Pgbouncer centos7.4 install

  Editor reason'- # 'symbol needs to be removed' -'- # yum install-y deltarpm-# yum install-y openssl-devel zlib-devel readlinie-de

  2022-06-01 11:48:13 Views: 262
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  Install the Mysql database

  1. Install Mysql database ① download Mysql package wget http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.35-linux-glibc2.5-x86_

  2022-06-01 11:48:13 Views: 216
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  Oracle GoldenGate

  Environment source system HPUNIX 11.31 cluster architecture HP highly available cluster database Oracle 10.2.0.3 target system RHEL 5.8 x64 cluster architecture ORACLE RAC database 11.2.0.1.0 description H

  2022-06-01 11:48:13 Views: 272
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  SQL Server dedicated administrator connection (Dedicated Admin Connection (DAC))

  SQL Server dedicated administrator connection (Dedicated Admin Connection (DAC)) only members of the SQL Server sysadmin role can use DAC connections. By default, you can only follow the server.

  2022-06-01 11:47:52 Views: 246
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  Summary of common data types in redis

  Summary of redis common data types redis stores data in the form of key-value pairs key-value, while there are five String,List,Set,Map data types stored, and the commands for operating these five data types are similar and often confused.

  2022-06-01 11:47:52 Views: 273
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  VSphere5.1 upgrade 5.5 (1)-upgrade vCenter Server

  Background introduction: the original 8 Esxi host of an enterprise constitute a Cluster, the version is vSphere5.1u2. This year, vSphere is required to be upgraded to 5.5u3, and the replacement is required to be completed without interruption of the virtual machine. Here is an introduction to the actual situation of the project.

  2022-06-01 11:47:22 Views: 201
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  SQL memo on data statistics

  1. Statistics on the distribution of game duration (minutes, number of people) when characters are first recharged in September. Unit: minute SELECT sub.minutes, Count (roleId) AS countFROM (SELECT pr)

  2022-06-01 11:47:22 Views: 249
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  Centos 7.x configure PostgreSQL self-startup

  PostgreSQL starts with the systemThe document describe how to configure automatic start PostgreSQL w

  2022-06-01 11:47:21 Views: 209
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  The basic concept of InfluxDB for InfluxDB Learning

  1. Compare nouns with nouns in traditional databases; nouns in nfluxDB; concepts in traditional databases; database databases; measurement databases; a row of data in the points table; 2. Concepts unique to InfluxDB 1) datab

  2022-06-01 11:47:12 Views: 221
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  The treatment of some tablespace problems in Oracle

  First, the SYSAUX table space is insufficient. The SYSAUX table space serves as the auxiliary table space of the SYSTEM table space, mainly storing EM-related contents, table statistics, AWR snapshots, audit information, etc., and if the SYSAUX table space is by default, if you

  2022-06-01 11:47:12 Views: 295
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  There are too many sleep connections in mysql and there is no data in Ufiner query.

  Early in the morning, I received QQ harassment from Haozi, saying that there were a lot of complaints from people moving at the scene, saying that dms could not be connected, and that the query had no data, which almost knocked out his phone. Quickly let Haozi log on to the database server, make sure that the database is not down, enter the database and use show processli

  2022-06-01 11:47:09 Views: 285
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  Explanation of oracle execution plan

  (1). Explain plan command (not allowed) explain plan for select statement select * from table (dbms_xplan.display); (2) .DBMS_XPLA

  2022-06-01 11:47:08 Views: 203
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  A pit in the migration of mysql to mongodb shared architecture

  There is a table in the Mysql library with a data volume of about 1 billion, which is basically meaningless for the operation of this table, so I want to test whether the migration to mongodb's shared schema will improve. So he built a 3-slice mongo environment.

  2022-06-01 11:47:04 Views: 246
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  Zabbix Monitoring MongoDB

  Zabbix Monitoring MongoDB found a template for MongoDB from the zabbix shared site: https://share.zabbix.com/databases/mongodb/mongodb-for-

  2022-06-01 11:47:04 Views: 212
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  Mongodb monitoring command

  Mongodb monitoring command 1, monitoring tool 1, mongostat tool defaults to display statistics per second # mongostat-uroot-ppassword-- authenticationDatabase adm

  2022-06-01 11:47:04 Views: 266