Shulou(Shulou.com)05/31 Report--

This article mainly introduces "brief analysis of Mysql and Oracle database connections". In daily operation, I believe that many people have doubts about the number of Mysql and Oracle database connections. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "brief analysis of Mysql and Oracle database connections". Next, please follow the editor to study!

A brief Analysis of the number of Mysql,Oracle connections

Mysql

01

D:\ Program Files\ MySQL\ MySQL Server 5.1\ bin >-u root-p

02

Enter password: *

03

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

04

Your MySQL connection id is 183 www.2cto.com

05

Server version: 5.1.58-community MySQL Community Server (GPL)

06

07

Copyright (c) 2000, 2010, and/or its affiliates. All rights reserved.

08

This software comes with ABSOLUTELY NO WARRANTY. This is free software

09

And you are welcome to modify and redistribute it under the GPL v2 license

ten

eleven

Type 'help;' or'\ h' for help. Type'\ c'to clear the current input statement.

twelve

-- using the xuexi database

thirteen

Mysql > use xuexi

fourteen

Database changed

fifteen

-- View character set

sixteen

Mysql > SHOW VARIABLES LIKE 'character_set%'

seventeen

-- Chinese characters are garbled in the console. Change the code to gbk, and the console can display Chinese characters.

eighteen

Mysql > set character_set_results='gbk'

nineteen

-- check the number of connections www.2cto.com

twenty

Mysql > SHOW PROCESSLIST;--100 bar

twenty-one

Mysql > show full processlist

twenty-two

-- status information of the server

twenty-three

Mysql > show status

Oracle

01

SQL > conn / as sysdba

02

Connected.

03

-number of connections

04

SQL > select count (*) from v$session

05

-- number of concurrent connections

06

SQL > Select count (*) from v$session where status='ACTIVE'

07

-- maximum connection

08

SQL > show parameter processes

09

-- modify processes and sessions values

ten

SQL > alter system set processes=300 scope=spfile

eleven

SQL > alter system set sessions=300 scope=spfile

At this point, the study on "A brief Analysis of the number of Mysql and Oracle Database connections" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.