PostgreSQL DBA
PostgreSQL
PostgreSQL Internals
How to Safely Increase PostgreSQL’s Table Column Limit Beyond 1664
If you’ve ever encountered the PostgreSQL column limit of 1,664 columns per table, you know it can be a real hurdle when designing wide tables. This limit is enforced by the internal MaxTupleAttributeNumber parameter. In […]
MinervaDB
Prevent errors during object creation and removal using the IF [NOT] EXISTS DDL clause in PostgreSQL
The IF [NOT] EXISTS DDL clause is a useful feature in PostgreSQL that can help prevent errors during object creation and removal. This clause allows database administrators to specify whether or not to create or […]
PostgreSQL Internals
Index Wildcard in PostgreSQL
Index wildcard is a technique used in PostgreSQL to create an index on a partial string in a column, rather than indexing the entire column. This technique can improve query performance when searching for data […]
PostgreSQL Performance
Troubleshooting PostgreSQL Query Performance
Monitoring query latency, wait events, and locks in PostgreSQL helps identify and diagnose performance bottlenecks. Here’s a guide on how to monitor these aspects: Here’s a sample query to gather information about locks, wait events, […]
PostgreSQL Performance
Understanding SORT Operations and ordered property of Index Scans in PostgreSQL.
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 […]
PostgreSQL Performance
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 […]
PostgreSQL Internals
How Parameterized queries and bind parameters are implemented in PostgreSQL?
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 […]
PostgreSQL Performance
How does MinervaDB conduct a detailed PostgreSQL Performance Audit for Performance, Scalability, Reliability and Data Security?
PostgreSQL is a powerful open-source relational database management system that provides high performance, scalability, reliability, and data security. As PostgreSQL is widely used in various industries, it is important to ensure that it is performing […]
PostgreSQL Performance
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 […]