PostgreSQL 16 brings significant enhancements to its query planner/optimizer, directly influencing performance, scalability, and reliability. Here are some key improvements and their impacts: Parallelization of FULL and RIGHT Joins: PostgreSQL 16 has introduced the ability […]
Troubleshooting long-running queries in PostgreSQL and identifying wait events, along with insights into application and session operations, involves several steps. This process helps in pinpointing the root cause of performance issues and in formulating appropriate […]
The Materialized Path model is a strategy for representing hierarchical data within a relational database system like PostgreSQL. It involves storing the entire path to a node within a tree as a single column value […]
Applications with heavy UPDATE and DELETE operations can become epicenters of performance bottlenecks in PostgreSQL, even with optimal indexing in place. This is due to several underlying factors associated with how PostgreSQL manages data and […]
PostgreSQL indexes are a fundamental aspect of database optimization, allowing for faster retrieval of records from a table by efficiently locating rows. When working with indexes in PostgreSQL, several important considerations can impact their effectiveness […]
In PostgreSQL, the use of bind variables, also known as parameterized queries or prepared statements, is a common practice to execute SQL queries more efficiently and securely by separating the query structure from the data […]
In PostgreSQL, the locking mechanism is crucial for concurrency control, ensuring data integrity and consistency by preventing simultaneous incompatible operations. PostgreSQL employs a variety of lock types that operate at different levels of granularity, from […]
sys.dm_exec_query_stats is a Dynamic Management View (DMV) in Microsoft SQL Server that provides performance statistics for cached query plans in SQL Server. It’s used for monitoring and identifying performance issues with SQL queries. This DMV […]
Composite indexes in PostgreSQL are a powerful tool designed to optimize database performance. They are a type of database index that encompasses more than one column of a table, making them specifically beneficial for complex […]
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