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MySQL Performance

MySQL 8 Multicolumn Index: How to Implement It

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 […]
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PostgreSQL Performance

PostgreSQL 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 […]
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MinervaDB

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. […]
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MySQL Performance

MySQL 8 Partition Pruning: How It Improved

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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PostgreSQL Performance

PostgreSQL Locks and Deadlocks: Understanding Them

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 [...]
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PostgreSQL Performance

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 [...]