create User,grand，Load data file

创建用户
        create user  用户名    indentified  '用户密码'；

赋予权限：

     grand  权限   on 数据库名.表名称   to 用户名  indentified  by '密码'

权限	意义
ALL [PRIVILEGES]	设置除GRANT OPTION之外的所有简单权限
ALTER	允许使用ALTER TABLE
ALTER ROUTINE	更改或取消已存储的子程序
CREATE	允许使用CREATE TABLE
CREATE ROUTINE	创建已存储的子程序
CREATE TEMPORARY TABLES	允许使用CREATE TEMPORARY TABLE
CREATE USER	允许使用CREATE USER, DROP USER, RENAME USER和REVOKE ALL PRIVILEGES。
CREATE VIEW	允许使用CREATE VIEW
DELETE	允许使用DELETE
DROP	允许使用DROP TABLE
EXECUTE	允许用户运行已存储的子程序
FILE	允许使用SELECT...INTO OUTFILE和LOAD DATA INFILE
INDEX	允许使用CREATE INDEX和DROP INDEX
INSERT	允许使用INSERT
LOCK TABLES	允许对您拥有SELECT权限的表使用LOCK TABLES
PROCESS	允许使用SHOW FULL PROCESSLIST
REFERENCES	未被实施
RELOAD	允许使用FLUSH
REPLICATION CLIENT	允许用户询问从属服务器或主服务器的地址
REPLICATION SLAVE	用于复制型从属服务器（从主服务器中读取二进制日志事件）
SELECT	允许使用SELECT
SHOW DATABASES	SHOW DATABASES显示所有数据库
SHOW VIEW	允许使用SHOW CREATE VIEW
SHUTDOWN	允许使用mysqladmin shutdown
SUPER	允许使用CHANGE MASTER, KILL, PURGE MASTER LOGS和SET GLOBAL语句，mysqladmin debug命令；允许您连接（一次），即使已达到max_connections。
UPDATE	允许使用UPDATE
USAGE	“无权限”的同义词
GRANT OPTION	允许授予权限

shell> MySQL --user=root MySQL

shell> mysql --user=root mysql

mysql> GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP

    ->     ON bankaccount.*

    ->     TO 'custom'@'localhost'

    ->     IDENTIFIED BY 'obscure';

mysql> GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP

    ->     ON expenses.*

    ->     TO 'custom'@'whitehouse.gov'

    ->     IDENTIFIED BY 'obscure';

mysql> GRANT SELECT,INSERT,UPDATE,DELETE,CREATE,DROP

    ->     ON customer.*

    ->     TO 'custom'@'server.domain'

    ->     IDENTIFIED BY 'obscure';

这3个账户可以用于：

·         第1个账户可以访问bankaccount数据库，但只能从本机访问。

·         第2个账户可以访问expenses数据库，但只能从主机whitehouse.gov访问。

·         第3个账户可以访问customer数据库，但只能从主机server.domain访问。

a.sql;

"1","zj","male","1"

"7","zj","male","1"
"6","zj","male","1"
"5","zj","male","1"
"4","zj","male","1"
"3","zj","male","1"
"2","zj","male","1"

mysql> desc stdV;
+---------+-----------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+---------+-----------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| name | varchar(32) | NO | | | |
| sex | enum('male','female') | NO | | male | |
| classId | tinyint(3) unsigned | NO | | 0 | |
+---------+-----------------------+------+-----+---------+----------------+

mysql> load data infile '/home/angelmylove/mysql/a.sql' into table stdV fields terminated by ',' enclosed by '"';
Query OK, 7 rows affected (0.11 sec)
Records: 7 Deleted: 0 Skipped: 0 Warnings: 0

mysql> select * from stdV;
+----+------+------+---------+
| id | name | sex | classId |
+----+------+------+---------+
| 1 | zj | male | 1 |
| 2 | zj | male | 1 |
| 3 | zj | male | 1 |
| 4 | zj | male | 1 |
| 5 | zj | male | 1 |
| 6 | zj | male | 1 |
| 7 | zj | male | 1 |
+----+------+------+---------+
7 rows in set (0.00 sec)