When I attended AWS Re:Invent 2018, I saw there was a lot of attention from both customers and the AWS team on Amazon RDS Aurora Serverless. So I decided to take a deeper look at this technology, and write a series of blog posts on this topic.

In this first post of the series, you will learn about Amazon Aurora Serverless basics and use cases. In later posts, I will share benchmark results and in depth realization results.

What Amazon Aurora Serverless Is

A great source of information on this topic is How Amazon Aurora Serverless Works from the official AWS  documentation. In this article, you learn what Serverless deployment rather than provisional deployment means. Instead of specifying an instance …

MySQL Cluster Manager 1.4.7 is now available for download from My Oracle Support.

Overview
MCM 1.4.7 continues to improve MySQL Cluster Manager by adding some sought after features – and some important bugfixes.

The 1.4.7 release bundles MySQL Cluster 7.6.8.…

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This tutorial aims to give you an in-depth introduction to PHP (PHP 7 version) by building a simple CRUD REST API.

Also read: How to implement JWT authentication and access the Authorization header in PHP

You'll also learn about important concepts such as CRUD operations and PHP PDOs etc.

In this PHP 7 tutorial, we're going to learn by example how to create a REST API with PHP 7 and MySQL. We'll see example implementations for HTTP GET and HTTP POST methods and we'll use json_encode() to return data in JSON format.

The REST API, we'll be creating in this tutorial, will be the basis of the next tutorials for adding JWT-based authentication and building your front-ends with modern JavaScript/TypeScript frameworks and libraries such as Angular, React.js and Vue.js etc.

In this tutorial we'll create an example CRUD (Create, Read, Update and Delete) PHP application that implements the equivalent HTTP API …

If you are using MySQL InnoDB Cluster (Group Replication) with ProxySQL, you should be familiar with the 2 functions and 1 view required in SYS Schema that ProxySQL uses to see if a node is online, partitioned or not, and if it’s lagging or not (see link1 and link2).

I received recently a very valuable contribution from Bruce DeFrang that fixes a bug in one of the function that were added to SYS.

In fact, Bruce discovered that when a node was in RECOVERING state, it was not …

Clickhouse is a relatively new analytics and datawarehouse engine that provides for very quick insertion and analysing of data. Like most analytics platforms it’s built on a column-oriented storage basis and unlike many alternatives is completely open source. It’s also exceedingly fast, even on relatively modest platforms.

Clickhouse does have some differences from some other environments, for example, data inserted cannot easily be updated, and it supports a number of different storage and table engine formats that are used to store and index the information. So how do we get into that from our MySQL transactional store?

Well, you can do dumps and loads, or you could use Tungsten Replicator to do that for you. The techniques I’m going to describe here are not in an active release, but use the same principles as other part of our data loading.

We’re going to use the CSV-based batch loading system that is …

As mentioned in a previous post, I gave a talk at Percona Live Europe 2018 about system-versioned tables. This is a new MariaDB 10.3 feature, which consists of preserving old versions of a table rows. Each version has two timestamps that indicate the start (INSERT,UPDATE) of the validity of that version, and its end (DELETE, UPDATE). As a result, the user is able to query these tables as they appear at a point in the past, or how data evolved in a certain time range. An alternative name for this feature is temporal table, and I will use it in the rest of this text.

In this post, I want to talk a bit about temporal tables best practices. Some of the information that I will provide is not …

I had the pleasure to receive a nice educative video from my colleague Narendra Singh Chauhan, working in the QA team for MySQL Replication.

If you are curious to understand how all this works, please take a look at the video, like it and share it

As announce on Oct 18, 2018 we would like to just remind about the Open Source Conference in Tokyo, Japan which will be hold tomorrow, December 14, 2018. Please come to hear the MySQL talk on "State of Dolphin" by Yoshiaki Yamasaki, the MySQL Senior Sales Consultant Asia Pacific and Japan region. During his talk the general product updates will be covered. You can also find our team at the MySQL booth in the expo area.

We are looking forward to seeing and talking to you at this show!

In reply to naresh g.

Hi Naresh, Well, it depends on how you’re going to exploit the audit data, whether it’s via the log itself (xml or json) or using Workbench or whatever. However, for a solution from within the MySQL Server you could use audit_log_read() and create a bookmark that converts to IST via convert_tz(). There’s a support note that could help: “How to Read Audit Log Events Using audit_log_read() in MySQL 5.7.21 and Later? (Doc ID 2270426.1)”

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