In this post, we’ll address how MaxScale monitors servers. We saw in the

We saw in the previous post how we could deal with high availability (HA) and read-write split using MaxScale.

If you remember from the previous post, we used this section to monitor replication:

[Replication Monitor]
type=monitor
module=mysqlmon
servers=percona1, percona2, percona3
user=maxscale
passwd=264D375EC77998F13F4D0EC739AABAD4
monitor_interval=1000
script=/usr/local/bin/failover.sh
events=master_down

But what are we monitoring? We are monitoring the assignment of master and slave roles inside MaxScale according to the actual replication tree in the cluster using the …

Recently a serious vulnerability called DROWN was found. The vulnerability exists in systems that support SSLv2. There is flaw in SSLv2 that could be used to decrypt information over newer SSL protocols such as TLS. More information about the DROWN vulnerability with CVE number CVE-2016-0800 can be found here: The DROWN attack Mitre CVE dictionary […]

The post MariaDB itself is NOT affected by the DROWN vulnerability appeared first on MariaDB.org.

Sometimes you need to bind multimple query then you can use unionAll in laravel If you use union all then laravel query builder provide unionAll method for mysql union when you are doing big project or ERP level project then mostly you require to use union for getting data from database with multi

In this post i want to show you how to use subquery with join in laravel query builder Whenever you need to use subquery in your laravel project you can use following example and learn hot to use subquery In bellow example you can see we add subquery using DBraw DBraw throught we can sele

Sometimes you need to bind multimple query then you can use unionAll in laravel If you use union all then laravel query builder provide unionAll method for mysql union when you are doing big project or ERP level project then mostly you require to use union for getting data from database with multi

As the winter in the Northern hemisphere is giving way to spring, slowly but surely, blog posts are blooming in the gardens of Oracle, SQL Server and MySQL. This Log Buffer plucks some of them for your reading pleasure.

Oracle:

Providing A Persistent Data Volume to EMC XtremIO Using ClusterHQ Flocker, Docker And Marathon

There is sliced bread in SQL.

Oracle Cloud – Your service is suspended due to exceeding resource quota !

EM12c Compliance ‘Required Data Available’ flag – Understanding and Troubleshooting

…

(Update: Forge auto-magically redirects cron job output to a job specific file, which means my cronjob below doesn't quite do what is expected. I've written a new post about how this affects this strategy because it made more sense than trying to correct/update this one.)

Shifting gears for a second, let’s chat about backups. I’m using Laravel Forge to run deployments on top of Linode servers. Both are ah-may-zing!

Now that I’ve got some data piling up in my MySQL databases, I thought it wise to start backing up my few machines. Linode has a terrific, no-frills backup service …

We are glad to announce that one of our most popular tutorials has just been updated and is available here. In this tutorial, we cover how HAProxy works, and how to deploy, configure and manage HAProxy in conjunction with MySQL using ClusterControl.

Applications typically connect to a database cluster or replicated setup by opening connections on one of the database nodes in order to run transactions. If the database node fails, the client would need to reconnect to another database node before it can continue to serve requests. There are database drive that supports connection pooling, load balancing and failover e.g. Connector/J and PHP MySQL native driver for master slave. However, in other clustering setup like Galera Cluster for MySQL or MariaDB, the JDBC and PHP drivers are not aware of internal Galera state information, and …

Sometimes you require to create scroll table and header must be fixed in your website or project You can do it easily I show you two example of scrolling table with fixed header and you can see and implement in your website Lets see first example strongExample 1strongpre classcode lan

Hello, I followed your instruction step by step; but I am getting the following error
select “col5” from “demo”@MySQL;
*
ERROR at line 1:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
ORA-02063: preceding line from MYSQL

My environment : Centos 7, Oracle xe 11.2.0,
I created a public database link;

[root@localhost trace]# isql -v demo
+—————————————+
| Connected! |
| |
| sql-statement |
| help [tablename] |
| quit |
| |
+—————————————+
SQL>

Any help would be greatly appreciated.
Thank you