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1. Error code /domain/xxxx.java for block at line 44. Keep only the first 100 references. WARN: Too many duplication references on file src/main/java/com/easy3w/ebs/pb/be /domain/xxxx.java for block at line 47. Keep only the first 100 references. WARN: Too many duplication references on file src/main/java/com/easy3w/ebs/pb/be /domain/PBBE0 ...

In this section, how to insert the crawled data into mysql database is discussed. The tools used are PyCharm and Navicat for MySQL or Navicat Premium The crawled website is: http://books.toscrape.com/ , which is explained in many tutorials. Let's open navicat, create a new query, and create a table in the editor (using the dat ...

Installation and initialization of mariadb yum install mariadb-server.x86_64 -y systemctl status mariadb systemctl start mariadb systemctl enable mariadb mysql netstat -antlupe | grep mysql See mysql port vim /etc/my.cnf //Add skip networking = 1 skip network for security systemctl restart mariadb Restart service mysql ...

Mysql view slow query log 0. environment windows10 mysql5.7 1. demand In normal programming, for a slow SQL, we may need to view the "slow query" log of the SQL. We can get some inspiration from this log, so as to optimize the SQL and reduce the query time. But how to open and search the slow query log of mysql? ...

The master-slave configuration of mysql follows the configuration of the previous blog: https://www.cnblogs.com/MasterSword/p/9434169.html MYCAT download address: http://www.mycat.io/ Trial version: Mycat-server-1.6-release # cd /usr/local # mv ~/Mycat-server-1.6-RELEASE-20161028204710-linux.tar.gz /usr/local # tar -zxvf Mycat-server-1.6-RELEA ...

I. ZABBIX server installation Environment: linux 7.3 host ip: 172.25.17.11 1. Prepare the installation package: Install all: [root@server11 mnt]# yum install * -y 2. Install the database and open the service to set the database password: [root@server11 mnt]# yum install mariadb-server -y [root@server11 mnt]# systemctl ...

Recently, I learned to use Go language to operate MySQL database to add, delete, modify and query user data when I was doing the registration and login service. Now I summarize my personal learning experience as follows, and attach Code warehouse address Welcome to fork. Software environment: Goland, Navicat for MySQL. 1, Realization ideas 1 ...

MySQL database whole database backup script Author: old farmer (Liu Qihua) QQ: 46715422 Email: 46715422@qq.com Wechat: 46715422 Test operating system environment: CentOS 6/7, Debian 8/9, FreeBSD 11/12 Test MySQL version: 5.7.23 User name and password: mysql The database we need to back up this time: test Script required for backup: bac ...

Using script to simulate the implementation of redis cli on the client side of redis: (Note: mysql address is 10.86.30.203 redis address is 10.86.31.50) 1. First determine the columns of mysql table: desc test； +-----------+-------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra ...

1, System encapsulation function MySQL has many built-in functions, which can quickly solve some business requirements in development, including process control function, numerical function, string function, date time function, aggregation function, etc. The functions commonly used in these classifications are listed below. 1. Control flow f ...