MySQL之旅(4) MySQL常用指令
阿新 • • 發佈:2021-06-29
1·服務啟動指令:
net start mysql
2·停止服務指令:
net stop mysql
3·登入指令:
mysqle -u root -p
4·退出指令:
exit
5·修改密碼指令:
ALTER USER ‘root’@‘localhost’ IDENTIFIED WITH mysql_native_password BY ‘修改後的密碼’
6·重新整理許可權指令:
FLUSH PRIVILEGES
7·新增末列指令:
alter table TABLE_NAME add column NEW_COLUMN_NAME varchar(20) not null;
8·新增到某列後面指令:
alter table TABLE_NAME add column NEW_COLUMN_NAME varchar(20) not null after COLUMN_NAME;
9·新增到首列指令:
alter table TABLE_NAME add column NEW_COLUMN_NAME varchar(20) not null first;
10·插入一行及多行指令:
INSERT INTO table_name ( field1, field2,...fieldN ) VALUES ( value1, value2,...valueN );
INSERT INTO table_name ( field1, field2,...fieldN ) VALUES ( value1, value2,...valueN ), ( value1, value2,...valueN ), ( value1, value2,...valueN ), ( value1, value2,...valueN );
11·查詢讀取指令:
select * from TABLE_NAME;
12·顯示資料指令:
show full columns from TABLE_NAME;
13·應用資料庫指令:
use TABLE_NAME;
14·刪除資料指令:
drop database <資料庫名>;
DROP TABLE table_name ;
15·建立資料指令:
CREATE DATABASE 資料庫名;
CREATE TABLE table_name (column_name column_type);
16·資料去重指令及例項:傳送門
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end!