With the latest MySQL release (8.0.31), MySQL adds support for the SQL standard INTERSECT and EXCEPT table operators:    Let’s have a look how to use them. We will use the following table: CREATE TABLE `new` ( `id` int NOT NULL AUTO_INCREMENT, `name` varchar(20) DEFAULT NULL, `tacos` int DEFAULT NULL, `sushis` int DEFAULT NULL, PRIMARY […]

Recently I blogged about how to easily deploy a LAMP application to MDS. Using the Terraform module (OCI Resource Manager’s Stack) you also have the possibility to choose the PHP version to install: But as you should already know, not all versions support the latest default authentication method in MySQL 8.0: caching_sha2_password [1], [2], [3]. Most […]

Yesterday my friend and ex-colleague Sveta published a blog post on how to migrate ownership of stored routines, views and triggers in MySQL. I usually agree a lot with her and even if I agree with what she wrote, there is one single point I would like to comment: use MySQL Shell ! In the […]

With MySQL 8.0, the version of MySQL Database Service aka MDS, the default character set has changed from latin1 to ut8mb4. The default collation is utf8mb4_0900_ai_ci but what does that mean ? and why are the utf8mb4_0900_* the recommended ones ? Collations like utf8mb4_unicode_520_ci and utf8mb4_0900_ai_ci are based on Unicode Collation Algorithm (UCA). The number […]

MySQL Shell is the popular tool to work with MySQL and it integrates perfectly everything for MySQL Database Service (MDS) in Oracle Cloud Infrastructure (OCI). For any logical dump and load of data and especially to dump data to MDS, MySQL Shell Utility is the recommended solution. MySQL Shell Dump & Load is faster, is […]

Recently, Oracle added a Bastion Service to OCI. And you may also have noticed that the OCI Dashboard offers you the possibility to use a browser based terminal: Cloud Shell. Today, we will see how we can use these two components to connect from the browser to a MDS DB System. We need the MySQL […]

On Oracle Cloud Infrastructure, aka OCI, MySQL Database Service, aka MDS uses the snapshot technology to backup your data. I will explain how it works in the multiple part blog series. In part 1, we will deal with taking snapshots as backup. In part 2, we will see how to restore data and for which […]

On Oracle Cloud Infrastructure, aka OCI, MySQL Database Service, aka MDS uses the snapshot technology to backup your data. This article is the second part of multiple part blog series. In part 1, we dealt with taking snapshots as backup. In this part, we deal with restoring the data. Managed Snapshots We saw in the […]

We recently saw that .frm files have been somewhat of replaced for MyISAM tables in MySQL 8.0 (see this post). However, what are those files ? Can they be used for something else than MyISAM tables ? … Let’s try to answer those questions and get more familiar with the .sdi files. What does SDI […]

On MySQL Database Service (aka MDS) on Oracle Cloud Infrastructure (aka OCI), when you create a new instance, you also need to set the credentials for the administrator: Let’s focus on that account… Please don’t forget the password, it cannot be recovered !! First of all that account’s username has some limitations. Indeed, some names […]