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Slides from the MySQL Session at Great Indian developer Summit 2015
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Wanted to send a pointer to the slides from my session at #GIDS 2015.

Will followup with an impressions blog soon.

My sql5.7 whatsnew_presentedatgids2015 from Sanjay Manwani

MySQL Enterprise Edition Database Firewall – Control and Monitor SQL Statement Executions
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As of MySQL 5.6.24, MySQL Enterprise Edition includes MySQL Enterprise Firewall, an application-level firewall (it runs within the mysql database process) that enables database administrators to permit or deny SQL statement execution based on matching against whitelists of accepted statement patterns. This helps harden MySQL Server against attacks such as SQL injection or attempts to exploit applications by using them outside of their …

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pt-query-digest common usage scenarios -video
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1) To find slow queries

pt-query-digest /var/lib/mysql/cloud-server-01-slow.log > slowqueroutput.log

2) Between a particular time range

pt-query-digest –since ’2015-04-10 00:00:00′ –until ’2015-04-10 23:59:59′ /var/lib/mysql/cloud-server-01-slow.log > slowqueryrange.log

3) For a particular database

pt-query-digest –filter ‘$event->{db} && $event->{db} =~ /employee/’ /var/lib/mysql/cloud-server-01-slow.log > slowqueroutputemp.log

pt-query-digest –filter ‘$event->{db} …

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MySQL Group Replication – mysql-5.7.6-labs-group-replication
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Hi all, a few months have passed since our first preview release of MySQL Group Replication. Now is the time for the second preview release of MySQL Group Replication, the plugin that brings multi-master update everywhere to MySQL, as described in Hello World post.

Introduced changes User interface changes

After receiving plenty of feedback and continuing to pursue a more integrated look and feel with MySQL, we have given the user interface a facelift. Some of the changes are:

  • The plugin has been renamed to …
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mysql-cli on Kickstarter
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Open Query is supporting the mysql-cli Kickstarter project (for MySQL and MariaDB) by Amjith Ramanujam who already successfully completed a similar tool for PostgreSQL.

It is a new MySQL client with Auto-Completion and Syntax Highlighting. From the info provided, it’s Python based, thus portable, and can be installed without root access. Could be a very useful tool. The good old mysql command line client does lack some things, yet a relatively low-level command line client is often useful for remote tasks (as opposed to graphical tools) so we reckon it’s good that this realm gets a bit of attention!

How to use mysql_config_editor – video
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Below video will depict :

* How to set a login path

* How to use login path in mysql client

* How to use login path in mysqldump

* How to remove login path



You can download the slides from below URL


Musings on MySQL enhancements
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1) Update_time not accurate in information_schema.tables

Information_schema.tables has a field called update_time and in 5.6 you will notice that it is always NULL. Future versions of MySQL will fix this problem

2) Multiple instance manager

Currently creating , managing and dropping instances in MySQL requires many DBA hours. mysqld_multi is there to help you but it requires initial configuration and there are other third party utilities that could come to your rescue

It would be better to have built in utilities to help us in this regard.. For example db2 has db2icrt that creates an instance , db2ilist …

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Paramiko Update Tutorial
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There are situations when you need to update the python-paramiko library that is bundled with MySQL Workbench. This may be because you prefer
using the latest cutting edge versions, are just curious, or you can’t wait for a new Workbench version.

To update, first download the latest python-paramiko release from After downloading and extracting the archive, you’ll see a paramiko folder inside of the extracted folder. This folder needs to be copied into the appropriate MySQL Workbench folder on the system.

* …

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MySQL:The user specified as a definer does not exist (error 1449)-Solutions
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Explaining and providing solutions of MySQL error 1449: The user specified as a definer does not exist using SQL SECURITY INVOKER and DEFINER.

Heads up! MySQL 5.7 DMR6 contains a (small) known bug
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MySQL 5.7 DMR6 was been released today! By my crude measurement, it is a big release with a number of new features and bug fixes:

morgo@Rbook:~$ for V in 1 2 3 4 5 6; do curl --silent$V.html | wc -l; done;
4914 <-- DMR2
4121 <-- DMR6

The release notes have one important known bug to note:

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Showing entries 1 to 10 of 923 10 Older Entries

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