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How to avoid “OR” in MariaDB for better performance?

Avoiding the use of the “OR” operator in MariaDB can help improve query performance by reducing the number of rows that need to be scanned and filtered. Here are some strategies to avoid using “OR” […]

What are dynamic disks in ClickHouse 23.2 and how they influence performance

Dynamic disks in ClickHouse 23.2 refer to a feature that allows for more efficient use of disk space and improved performance when working with large amounts of data. Traditionally, ClickHouse used a file-based storage system […]

How do Bloom Filters Work in MyRocks?

Bloom filters are probabilistic data structures that are used for membership tests. They are particularly useful in databases as they allow faster and more efficient querying of data. In MyRocks, a storage engine based on […]

How to Monitor InnoDB Mutex Waits in MySQL 8 Using Performance Schema?

InnoDB Mutexes are synchronization objects used by the InnoDB storage engine to ensure that different threads can access shared resources safely. Mutex waits can be a bottleneck for performance in MySQL 8, as they can […]

How are cache buffer chains implemented in MariaDB 11?

In MariaDB 11, the cache buffer chains (CBC) implementation is part of the InnoDB storage engine. The CBC is a data structure used to manage the InnoDB buffer pool, which is a cache that stores […]

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 […]

Postgres Indexing: When Does BRIN Win?

BRIN (Block Range INdex) is a type of index in Postgres that is used for large tables with a large number of rows and a high degree of clustering. BRIN is an efficient way to […]

Tuning PostgreSQL Server – How are data block visits and undo implemented in PostgreSQL?

In PostgreSQL, data block visits and undo are implemented as part of the storage and transaction management systems. In summary, PostgreSQL implements data block visits and undo through a combination of the buffer manager, the […]

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 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 […]

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