mysql workbench mariadb

through the audit log. When the quality of the day is large, it may be more difficult to locate. Experiment:MariaDB [test]> CREATE TABLE t111 (ID int not NULL, name varchar (+), City varchar (30));Query OK, 0 rows affected (0.08 sec)MariaDB [test]> INSERT INTO t111 (id,name) VALUES (1, ' AAA '), (2, ' BBB '), (3, ' CCC '), (11223344, ' dddd ');Query OK, 4 rows Affected (0.02 sec)Records:4 duplicates:0 warnings:0MariaDB [test]> Delete from t111 where

Tags: systemd solution centos7 my.cnf solve load art NEC returnCentos7 mariadb MySQL max_connections=214 Unable to modify the problem/etc/my.cnf.d/mariadb-server.cnf[Mysqld]Max_connections = 10000After restarting mariadb max_connections = 214. Here's how to solve the problem:Vi/etc/systemd/system/mariadb.service.d/limi

Copy Code code as follows: #/USR/SHARE/MYSQL/MY-HUGE.CNF # mariadb configuration File Sample template (huge, mega). # # This file applies to the dedicated database server, memory for 1G-2G # The large system on the machine that mainly runs only mariadb, # # The MARIADB program will look up a series of profil

Tags: 11.1 lamp architecture Introduction 11.2 M11.1 Lamp architecture is the shorthand for Linux Apache MySQL PHP, which is to install Apache MySQL PHP on a Linux system to form an environment to run the PHP languageApache (httpd) and PHP are a whole (PHP is combined in the form of a module with Apache and must be installed on a single machine), MYAQL can be installed on another machine.11.2

alias--uses a column name alias as keyword:Mysql>SelectSno asStudentid,sname asStudentname fromstudent;+-----------+-------------+| StudentID | Studentname |+-----------+-------------+|12001| BGG | |96001| Liu June | |95002| Liu Chen | |94001| Cottage | |95005| Zhang San | |95004| Zhang Li | |95001| Li Yong | |97001| John Doe | |95003| Wang min | |96004| Hibiscus |+-----------+-------------+TenRowsinch Set(0.10sec)//omitting the AS keyword in MYSQL/

1MARIADB Query CacheThe data in the cache is in open source form, in the form of key-value pairs (k/v)Key: The hash value of the query statement;Value: Query result of query statement;The data in the cache is mainly through the comparison of the hash value of the entire query statement, the exact same hit, so that the cache response to client requests can improve the retrieval efficiency; Of course, not all of the query data can be cached, then what data cannot be cached?1. The database to be qu

This article mainly introduces threadpool in MariaDB and how to use it. threadpool is a good solution for high-concurrency environments. For more information, see What is Thread pool? MySQL creates a thread for each connection to execute the statement. In this way, a new thread will be created for each new connection, which puts a lot of pressure on MySQL itself

Tags: Generate pass TP server process color process CGI slave server work1.lamp Introduction 1. The so-called lamp, in fact, is a group of Linux+apache+mysql/mariadb+php/python Dynamic Web site or server open source software, in addition to Linux and other components themselves are separate programs, but because often put together to use, With a growing degree of compatibility, together they form a

My server A (linux) uses the mariadb database, and server B (linux) uses the mysql database. Now I move all databases of A to B. On A, use the command mysqldump to back up all databases and generate SQL files. Use the source command on B to restore the database. The problem is sou... My server A (linux) uses the mariadb database, and server B (linux) uses the

News from the Red Hat summit will be released in the second half of this year, RHEL7 will no longer contain MySQL databases, but will be replaced by MariaDB. This will inevitably lead to some derivative versions of RHEL, such as CentOS. For more information about RedHat, see RedHat topic page http://www.linuxidc.com/topicnews.aspx? Tid = 10 According to a message from the Red Hat summit, RHEL 7, which will

the server to the primary server to request binary information stored in the trunk log, after saving by the local SQL thread from the log application to the local disk file from the server. When this process is completed and returned from the server to confirm the results to the primary server, the primary server will return the results to the client. so-called asynchronous replication:when the primary server to write data, write to the local disk, write to the binary file log, write the binary

Original: https://my.oschina.net/uyunsky/blog/109532First, the initial installationMethod 1:Under the/usr/local/mysql/bin/:./mysqladmin-u root password ' new_password 'This method is set for general installation.If MySQL login error: mysqladmin:connect to server at ' localhost ' failedUnable to change passwordwith service mysqld stopMysqld_safe--skip-grant-tables Enter