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PostgreSQL Execution Plans: What to Look For

PostgreSQL execution plans PostgreSQL execution plans provide information on how the database intends to execute a given query. Understanding execution plans is crucial to identify performance issues and optimize query performance. Here are some of […]

PostgreSQL SORT Operations and the Ordered Property of Index Scans

SORT operations and the ordered property of index scans are important aspects of PostgreSQL query optimization and performance tuning. In this explanation, we will explore these concepts in detail with real data examples. SORT operations […]

Understanding Clustered and Non-Clustered Indexes in PostgreSQL

Clustered and non-clustered indexes are important database indexing techniques used in PostgreSQL to improve the performance of SQL queries. In this answer, we will explain the implementation of clustered and non-clustered indexes in PostgreSQL, provide […]

Parameterized Queries and Bind Parameters in PostgreSQL: How They Work

Parameterized queries and bind parameters are important concepts in PostgreSQL (and other database systems) that can help improve performance, security, and maintainability of SQL queries. Parameterized queries are SQL queries where placeholders are used for […]

Why do we strongly recommend regular vacuuming and reindexing of PostgreSQL Infrastructure for optimal performance?

Regular vacuuming and reindexing of PostgreSQL infrastructure is essential for optimal performance because it helps to reclaim disk space, reduce index bloat, and maintain data consistency. Here are some of the reasons why regular vacuuming […]

PostgreSQL Redo Undo: How Operations Are Handled

Redo and Undo are essential components of any database management system, including PostgreSQL. Redo and Undo are used to maintain the consistency and durability of the database by enabling the recovery of transactions in the […]

PostgreSQL Partial Indexes: How to Use Them

Partial indexes in PostgreSQL allow you to create an index on a subset of a table’s rows that meet a certain condition. This can be useful for improving query performance on a subset of data […]

JSON Data Type Constructor Enhancements in PostgreSQL 16

PostgreSQL 16 JSON Data Type Enhancements for Better Query Performance PostgreSQL 16 introduced several enhancements to the JSON data type constructor, which is used to create JSON data structures in the database. Some of the […]

How to store arbitrary PostgreSQL data types in JSONB?

PostgreSQL data types in JSONB PostgreSQL Data Types in JSONB allows you to store arbitrary JSON data in a structured format. This can be useful for storing data that does not fit neatly into a […]

PostgreSQL Shared Lock: Preventing Starvation of Exclusive and Update Locks

PostgreSQL uses a “multi-version concurrency control” (MVCC) approach to ensure that shared locks don’t starve requests for exclusive or update locks. Under MVCC, each transaction works with a “snapshot” of the database state at a […]

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