lefred's blog


There Are 10 Types of People in the World....

MySQL: Check who’s trying to access data they should not

To illustrate how easy it’s to see who’s trying to access data they have not been granted for, we will first create a schema with two tables: mysql> create database mydata; mysql> use mydata mysql> create table table1 (id int auto_increment primary key, name varchar(20), something varchar(20)); mysql> create table table2 (id int auto_increment primary key, name varchar(20), something varchar(20)); … Read More


Join the Code ONE MySQL Track at Oracle Open World in San Francisco

Mid September, MySQL Community, MySQL Customers and MySQL Engineers will be in San Francisco to share their experience and present the new features of your favorite database ! The event will be held in Moscone South (just Mirko Ortensi‘s Hands-on Lab will be delivered in Moscone West). During the week, the MySQL Community Team will host the traditional MySQL Reception. … Read More


MySQL 8.0.16: how to validate JSON values in NoSQL with check constraint

As you may have noticed, MySQL 8.0.16 has been released today ! One of the major long expected feature is the support of CHECK contraints . My colleague, Dave Stokes, already posted an article explaining how this works. In this post, I wanted to show how we could take advantage of this new feature to validate JSON values. Let’s take … Read More


Have a nice MySQL Season Holidays

I wish you all the best for this end of 2018 and of course a nice start of 2019’s edition ! For the best possible start of 2019, I already invite you to these different events where I will have to honor to talk about MySQL: MySQL Innovation Day in Stockholm (Jan 23rd) pre-FOSDEM MySQL Day in Brussels (Feb 1st) … Read More


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