標籤:mysql dml 資料操作語言 增加操作:insert into 一條 insert into 語句可以插入多條記錄insert into insert_student values(11,‘Jet Lee‘,‘male‘,23),(34,‘Buruce Lee‘,male‘,23),(44,
標籤:MySQL單列索引是我們使用MySQL資料庫中經常會見到的,MySQL單列索引和複合式索引的區別可能有很多人還不是十分的瞭解,下面就為您分析兩者的主要區別,供您參考學習。 為了形象地對比兩者,再建一個表: CREATE TABLE myIndex ( i_testID INT NOT NULL AUTO_INCREMENT, vc_Name VARCHAR(50) NOT NULL, vc_City VARCHAR(50) NOT NULL, i_Age
標籤:Ubuntu下重設MySQL的root密碼sudo vi /etc/mysql/my.cnf,在[mysqld]段中加入一行“skip-grant-tables”sudo service mysql restart,重啟mySQL服務sudo mysql -u root -p mysql,用空密碼進入mysql管理命令列(進入mysql,或者用use mysql指令)update user set
標籤:1、 解壓後,將mysql添加到環境變數path:D:\Java\mysql2、修改my-default.ini 檔案# These are commonly set, remove the # and set as required. basedir = D:\Java\mysql datadir = D:\Java\mysql\data# port = .....# server_id = .....# Remove leading # to set options
標籤:mysql win7 plugin user//// unpack the zip file. // Warning & Error//Can‘t open the mysql.plugin table. Please run mysql_upgrade to create it.For more information, see Help and Support Center at http://www.mysql.com. Gtid table is
標籤:首先我們建立一張帶有逗號分隔的字串。CREATE TABLE test(id int(6) NOT NULL AUTO_INCREMENT,PRIMARY KEY (id),pname VARCHAR(20) NOT NULL,pnum VARCHAR(50) NOT NULL);然後插入帶有逗號分隔的測試資料INSERT INTO test(pname,pnum) VALUES(‘產品1‘,‘1,2,4‘);INSERT INTO test(pname,pnum) VALUES(‘產品2