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Databases & messaging · #postgresql
Learn how to use PostgreSQL B-tree Index-Only Scans and the INCLUDE clause to eliminate heap fetches and accelerate data retrieval and pagination.
Stop indexing your entire table. Learn how PostgreSQL partial indexes reduce storage bloat and improve write performance by only indexing the rows your queries actually need.
Quarkus Dev Services start a PostgreSQL container automatically when your datasource has no URL — no Testcontainers boilerplate in dev mode or tests. Here's how it works, how to customize it, and where it breaks.
When connecting to a PostgreSQL instance over TLS using DBeaver, the client sometimes rejects the server's certificate despite the certificate being valid and trusted by the system Java keystore. The issue appears to be related to DNS resolution of the host name used in the connection string, which may cause a mismatch between the certificate's subject alter
The goal is to run a Replit application that handles many simultaneous requests without exhausting the container’s outbound socket limit, which can cause intermittent connection‑pool errors. Using Replit’s built‑in KV store removes the need for a connection pool because the client reuses a single persistent connection, but it offers only key‑value operations
Goal: Enable efficient, bounded retrieval of large result sets from Metasploit’s db_* commands that query the default PostgreSQL database used in Kali Linux. Currently, commands such as db_hosts and db_services return all matching rows, forcing users to rely on external scripting or the costly SQL OFFSET clause for pagination, which scans and discards preced
The goal is to determine whether NetBox can automatically direct read‑only SQL traffic to a PostgreSQL replica without requiring administrators to define a custom database router, thereby lowering hardware or managed‑service costs for low‑traffic deployments. NetBox documentation shows that a read‑only replica can be used, but it requires setting DATABASES w
quarkus
dbeaver
replit
kalilinux