標籤:mysql搜尋引擎 小結mysql5.5以後,mysql預設使用InnoDB儲存引擎。若要修改預設引擎,可以修改設定檔中的default-storage-engine。可以通過show variables like ‘default_storage_engine‘;查看當前資料庫的預設引擎。命令:show engines和show variables like
標籤:使用者和許可權管理Information about account privileges is stored in the user, db, host, tables_priv, columns_priv, and procs_priv tables in the mysql database. The MySQL server reads the contents of these tables into memory when it starts and
標籤:1.下載mysql最新版本。 http://cdn.mysql.com//Downloads/MySQL-5.7/mysql-5.7.15-winx64.zip 2.解壓到檔案夾。 D:\software\mysql\mysql5.7a 將my-default.ini 複製為 my.ini 3.編輯my.ini [mysqld] # These are commonly set, remove the # and set as
標籤:mysql中文亂碼解決方案:將mysql資料庫編碼統一utf8查看資料庫編碼:show variables like ‘character%‘; 編輯/etc/my.cnf[mysql]default-character-set=utf8[mysqld]datadir=/var/lib/mysqlsocket=/var/lib/mysql/mysql.sockuser=mysql# Disabling symbolic-links is recommended to
標籤:(一)1、尋找表中多餘的重複記錄,重複記錄是根據單個欄位(peopleId)來判斷select * from peoplewhere peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1) 2、刪除表中多餘的重複記錄,重複記錄是根據單個欄位(peopleId)來判斷,只留有一個記錄delete from peoplewhere peopleId in (select
標籤:zabbix監控mysql1.用戶端首先建立MySQL使用者用於zabbix串連資料庫[[email protected] zabbix]# mysql -uroot -p123456 -e”GRANT USAGE ON *.* TO ‘zabbix’@alhost’ IDENTIFIED BY ‘123456‘”;2.建立資料庫連接資訊檔