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Redis4.0.11 is available for production environment to install the whole operating system version is centos6.5 first execute the initialization.sh optimization script for details see the initialization script we use redis- 4.0.11.tar.gz root online
File name: search.sh path: $HOME/ggscript/ggsearch function: this script is designed to meet the need to check the specific configuration of the goldengate process and is designed to call #! / bin/bashec through the edit script
1. View mysql > SELECT database () through the function database (); 2. Check mysql > status;3 through status. View via show tables
SQL Cluster + install New instance + enable AlwaysOn availability Group function main content parallel installation different versions and instances of running SQL server enable AlwaysOn availability Group function Experimental Environment parallel installation of SQL Server 2012 + SQ
MySQL storage engine MyISAM and InnoDB configure MyISAM and InnoDB the biggest feature: MyISAM: ① does not support transactions. In the form of ② table-level locking, the data locks the entire table when updated. ③ does not support foreign key constraints
The default instance of SQL Server 2014 is installed on the server, and the named instance of SQL Server 2017 SQL2017 $env:PSModulePath is% SystemRoot%\ system32\ Wind
As a dba, sometimes, we will always encounter a database, a table, a field exception, or data has been inexplicably deleted, at this time we all infer whether it is bug or hacked. At this time, an audit function is highlighted. Mariadb number
SQL Server remote backup error: Operating system error 1326 problem description: execute the following command through SSMS under an account with remote UNC path write access: BACKUP DATABASE master
Mongodb pre-allocates data files to avoid client timeouts #! / bin/bashfor I in {1.. 5} doecho $ihead-c 120000000 / dev/zero > test.$idon
9 Appendix 9.1 brief introduction to Linux LVM9.1.1 LVM LVM is short for Logical Volume Manager (logical Volume Management), which is implemented by Heinz Mauelshagen on the Linux 2.4 kernel
Deploying a replication set consisting of three nodes provides sufficient redundancy for network failures or other system failures. The replication set also has sufficient ability for distributed read operations. The replica set should keep an odd number of nodes, which ensures that the election can be conducted normally using three existing mon
Redis startup mode F: default startup mode, which loads the redis.conf configuration file in the Redis installation folder R: the complete command is as follows: redis-server. / redis.conf the above startup mode is basically shown below
Oracle database is still the most widely used relational database (RDBMS). For the application of relational database, the optimizer is the core part, because it is responsible for parsing SQL, and then accessing the data stored in the database through SQL, that is, the optimizer is good or bad directly.
Here I quote the case of a teacher to explain to you, and I hope you will read the first two articles before reading this article, otherwise you will be a little confused: http://linuxclub.info/category/%E6%95%B0%E6%8D%AE%E5%BA
System environment: CentOS 7.6.Down firewall and other security mechanisms to check whether the system has a default installed database [root@mysqlmaster ~] # rpm-qa | grep mariadbmariadb-libs-5.5
Sorry, the script deployment is ready to be put later. The following must be fully configured for all the scripts mentioned above to take effect successfully. The environment package is installed because the script is implemented through shell and perl. The system must support bshell to meet the running environment part of the AIX server due to lack
Description: operating system: CentOS 6.x 64-bit IP address: 192.168.1.111 purpose: install and configure MongoDB database specific operations: first, close SElinux, configure firewall 1, vi / etc/selinux/c
Day06 MySQL database stored procedures and functions I. Overview of stored procedures and functions: database stored procedures and stored functions refer to a collection of sql statements defined in the database. These sq can be directly used by calling the names of these stored procedures or stored functions directly.
The jar package to be introduced (the jar here includes the jdbc connection of hbase,hive 's UDF,hive) java source package com.hbase.jdbc;import java.util.ArrayList
Introduction to redis cluster: after version 3.0, the design is decentralized. Different redis nodes can receive user requests and hold different data. Each node shares node innode information to facilitate finding data. Experimental preparation: test objective: 3 machines, 2 sections per machine
What are the differences between the storage engines commonly used in MySQL?
This article is to share with you about how common storage engines in MySQL differ from each other. The editor thought it was very practical, so I shared it with you as a reference. Let's follow the editor and have a look. The four storage engines commonly used in MySQL are: MyISAM storage
2022-06-01 03:50:57Details
The strongest snail has unlimited resources to buy the cracked version so that you can play continuously.
The strongest snail unlimited resources in-house cracked version is a very popular leisure adventure nurturance mobile game recently. The painting style of the game is very strange, with a lot of interesting copy content challenges, players are like watching the story while playing the game, very interesting. In the game, you will change.
2022-06-01 04:48:35Details
The extraction time of bid evaluation experts, how long in advance is appropriate?
Article 22 of the http://www.zhaobiao.cn/ measures for the Administration of experts on Evaluation of Government Procurement (hereinafter referred to as the measures) stipulates that "in principle, the time for the selection of evaluation experts shall be half a day or one day before the bid opening, and shall not exceed two days under special circumstances.
2022-06-01 06:18:08Details
What are the differences in the implementation of delete table operation in MySQL
This article is to share with you about the differences in the implementation of table deletion in MySQL. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look. This paper mainly talks about three operations of deleting tables in mysql, delete statement and tru.
2022-05-31 23:37:44Details
Build zoopker+hbase environment
Lenovo Rescue Y700 2023 tablet push ZUI 15.0.723 system Grayscale Test: add
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