Online Learning Academy - LearnAcad.com

... Sharing Knowledge

  • Increase font size
  • Default font size
  • Decrease font size
Welcome to Online Learning Academy

Native table 'performance_schema'. 'file_instances' has the wrong structure

E-mail Print PDF

I am getting the following:

Native table 'performance_schema'.'file_instances' has the wrong structure
Native table 'performance_schema'.'rwlock_instances' has the wrong structure
Native table 'performance_schema'.'mutex_instances' has the wrong structure
...

The problem appears if you have inconsistant data or you have upgraded MySQL

Solution:

Backup your databases first,

Read more...
 

Warning: mysql_select_db(): supplied argument is not a valid MySQL-Link resource in /var/www/html/xy

E-mail Print PDF

mysql_select_db() expects the second parameter to be a resource identifier = your connection.:

function Visit($url)
{
    $spyware = mysql_connect(); // set this to connect properly
    echo $url;
    mysql_select_db($database_abc, $abc) || die(mysql_error());
    // the rest of your function goes on ...

 

 

Upgrading from MySQL 5.1 to 5.5 issues and solution

E-mail Print PDF

It is good practice to back up your data before installing any new version of software. Although MySQL works very hard to ensure a high level of quality, you should protect your data by making a backup.

To upgrade to 5.5 from any previous version, MySQL recommends that you dump your tables with mysqldump before upgrading and reload the dump file after upgrading. Use the --all-databases option to include all databases in the dump. If your databases include stored programs, use the --routines and --events options as well.

Read more...
 

MySQL table is marked as crashed and last repair failed

E-mail Print PDF

Go to your data folder and try running

service mysqld stop
myisamchk -r

You should stop MySQL process first.

If that doesn't work, you can try with

myisamchk -r -v -f

 

 

 

How to install BandwidthD in FreeBSD?

E-mail Print PDF

BandwidthB

About BandwidthD:

BandwidthD tracks usage of TCP/IP network subnets and builds html files with graphs to display utilization. Charts are built by individual IPs, and by default display utilization over 2 day, 8 day, 40 day, and 400 day periods. Furthermore, each ip address's utilization can be logged out at intervals of 3.3 minutes, 10 minutes, 1 hour or 12 hours in cdf format, or to a backend database server. HTTP, TCP, UDP, ICMP, VPN, and P2P traffic are color coded.

 

Installing BandwidthD:

Last Updated on Wednesday, 04 September 2013 06:34 Read more...
 


Page 5 of 50
Follow us on Twitter

Main Menu

Linux

Islam

Windows

Interview Questions

Database

Internet

Cisco

Entertainment

Networking

Graduate Courses

Psychology

Feed Burner

Subscribe to Welcome to Online Learning Academy by Email

Enter your email address:

Delivered by FeedBurner


Google Groups
Subscribe to LearnAcad
Email:
Visit this group

Login Form

Friend's Websites