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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 […]

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 […]

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 […]

Understanding locks and deadlocks in PostgreSQL

Understanding locks and deadlocks in PostgreSQL Locks in PostgreSQL are used to ensure that concurrent transactions do not interfere with each other. When a transaction modifies a piece of data, it will take out an [...]

How a Database Systems Performance Bottleneck Can Cripple Even the Most Successful FinTech Company

How Database Systems Performance Bottleneck can impact a very successful FinTech. company? Database systems performance is crucial for FinTech companies as it directly impacts the speed and reliability of financial transactions. Slow or unreliable databases […]

How NULL values in PostgreSQL affect performance?

How NULL values in PostgreSQL affect performance? NULL values in PostgreSQL can have an impact on the performance of queries and calculations, depending on how they are handled. Indexes: Indexes on columns that contain NULL [...]

PostgreSQL Index Maintenance and Repair

PostgreSQL Index Maintenance and Repair Index maintenance and repair are important tasks that help to keep the database running at optimal performance. In PostgreSQL, there are several methods for performing index maintenance and repair: REINDEX: [...]

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