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How to implement multicolumn index in MySQL 8

To implement a multi-column index in MySQL 8, you need to create an index that includes multiple columns in the index definition. The order of the columns in the index definition is important, as it […]

How to stop unauthorised connections to MySQL 8?

There are several ways to prevent unauthorized connections to MySQL 8: It is important to follow best security practices and implement multiple layers of security to ensure the safety and protection of your database.

InnoDB early lock release

InnoDB early lock release is a feature in MySQL 8 and higher that allows the database to release locks earlier in the transaction processing process. This helps to reduce lock contention and improve overall performance. […]

How is page compression implemented in InnoDB?

Page compression is implemented in InnoDB using the “Compressed InnoDB Tables” feature. This feature compresses the data stored in individual pages of the InnoDB tables, reducing their size and thus reducing the amount of disk […]

How partition pruning improved with MySQL 8?

In MySQL 8, partition pruning has been improved to make it more efficient and flexible. Partition pruning is a performance optimization technique that helps to minimize the amount of data that needs to be scanned […]

How checkpointing is implemented in MySQL and PostgreSQL?

How is checkpointing implemented in MySQL and PostgreSQL? Checkpointing is a process that is used to periodically write dirty pages from the buffer pool to disk in order to free up memory and reduce the […]

Troubleshooting MySQL performance bottleneck due to heavy load

Troubleshooting MySQL performance bottleneck due to heavy load When a MySQL server is experiencing heavy load, it can be challenging to identify and troubleshoot the source of the bottleneck. Here are some steps that can [...]

How Many innodb_buffer_pool_instances Do You Need in MySQL 8?

How Many innodb_buffer_pool_instances Do You Need in MySQL 8? The number of innodb_buffer_pool_instances you need in MySQL 8 depends on your system's available memory, the size of your InnoDB buffer pool, and your workload. The [...]

How data files are managed in InnoDB?

How data files are managed in InnoDB? In InnoDB, data files are managed using a combination of data dictionary tables and system tablespace files. Data dictionary tables: InnoDB stores metadata about the database, such as [...]

How fast growing undo logs impact MySQL performance?

How fast growing undo logs impact MySQL performance? Growing undo logs can impact MySQL performance in several ways: Increased disk space usage: As undo logs grow, they consume more disk space, which can lead to [...]

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