It is also possible to set gtid_next to UUID:TAG:NUMBER to set the UUID of a single transaction to an arbitrary value, along with assigning it a custom tag. The assignments of UUID and NUMBER are otherwise unchanged from previous MySQL releases. In either case, the user is responsible ...
MySQL is an open source, widely known relational database management system (RDBMS), known for being reliable, scalable, and of high performance. It enables data storage, retrieval, and access in an efficient manner and thus is widely deployed in web applications, data warehousing, as well as...
In addition, details of any mismatches in metadata properties are now written to the MySQL server error log. The formats used for the error log messages differ slightly depending on whether the discrepancy is found on the table level or on the level of a column, index, or foreign key. The...
As part of the schema synchronization procedure performed when starting, an SQL node now compares all databases on the cluster's data nodes with those in its own data dictionary, and if any of these is found to be missing from the SQL node's data dictionary, the SQL Node installs it loc...
“An index makes the query fast”is the most basic explanation of an index I have ever seen. Although it describes the most important aspect of an index very well, it is—unfortunately—not sufficient for this book. This chapter describes the index structure in a less superficial way but do...
MySQL FAQs MySQL is an open source relational database management system (RDBMS) that’s used to store and manage data. Its reliability, performance, scalability, and ease of use make MySQL a popular choice for developers. In fact, you’ll find it at the heart of demanding, high-traffic ...
Azure Database for MySQL Is an Azure Database service that provides more granular control and flexibility over database management functions and configuration settings. The service currently supports the community versions of MySQL 5.7 and 8.0. This article summarizes new releases and features in the ...
Console: The AnalyticDB for MySQL console is a friendly web-based GUI. Log on to theAnalyticDB for MySQL console. SDK: You can use SDKs as an alternative to the AnalyticDB for MySQL console to manage your resources. The SDKs can perform all operations available in the AnalyticDB for MySQL...
A database that is deployed in a data center or a database that is not deployed on an ApsaraDB RDS instance. ApsaraDB RDS for XX (XX represents one of the following database engines: MySQL, SQL Server, PostgreSQL, and MariaDB.) ApsaraDB RDS with a specific database engine. For example...
MySQL 8.0 delivers support for indexes in descending order. Values in such an index are arranged in descending order, and we scan it forward. Before 8.0, when a user create a descending index, we created an ascending index and scanned it backwards. One benefit is that forward index scans ar...