Database Administration (22)

• MariaDB Galera Cluster | Galera Cluster | MariaDB Documentation (mariadb.com) reference
  synchronous multi-master replication for MariaDB: implementation, config and production operation
  High Availability Relational Database #
• How To Install PostgreSQL on Ubuntu (digitalocean.com) tutorial
  Installing PostgreSQL on Ubuntu and creating roles and databases
  Relational Database Ubuntu #
• PostgreSQL: Documentation (postgresql.org) reference
  version-indexed PostgreSQL manuals, current and unsupported releases, browsable or PDF
  Relational Database SQL #
• GitHub - mysql/mysql-server: MySQL Server, the world's most popular open source database, and MySQL Cluster, a real-time, open source transactional database. (GitHub) repo
  Oracle's MySQL server and NDB Cluster sources, GPLv2 community edition
  Relational Database SQL #
• Firebird: The true open source database for Windows, Linux, Mac OS X and more (Home) tool
  InterBase-lineage SQL engine for Linux, Windows and macOS; open source, commercial support ecosystem
  Relational Database SQL #
• MySQL Software (Percona) tool
  Percona's MySQL stack: drop-in server, XtraDB Cluster, XtraBackup, operator; no licensing fees
  Backup High Availability Relational Database #
• Apache Derby (db.apache.org) tool
  embedded Java relational database with JDBC drivers, ~3.5 MB footprint; retired read-only since Oct 2025
  Relational Database SQL #
• CUBRID | Enterprise Open Source DBMS (cubrid.org) tool
  OLTP-tuned open source DBMS with heartbeat-based HA failover, broker middleware and GUI admin
  High Availability Relational Database #
• SQL Server Downloads | Microsoft (microsoft.com) tool
  installer downloads per SQL Server edition; Express and Developer free, trials for the rest
  Free Tier Relational Database #
• What is SQL Server on Linux? - SQL Server (learn.microsoft.com) reference
  running Microsoft's proprietary engine on RHEL, Ubuntu, SLES, in containers or WSL2
  Relational Database SQL #
• Oracle AI Database Free | Oracle (oracle.com) tool
  no-cost Oracle 26ai edition capped at 2 CPUs, 2 GB RAM and 12 GB data; formerly Express Edition
  Free Tier Relational Database #
• Home - ClickHouse Documentation (ClickHouse Documentation) reference
  column-store OLAP engine for analytics and warehousing, Apache-2.0; docs index and integration catalogue
  Analytical Database SQL #
• Docs (Docs) reference
  cache, JSON, streams and vector-search guides; source-available core, paid Software and Cloud tiers
  Caching Key Value Store #
• What is MongoDB? - Database Manual - MongoDB Docs (mongodb.com) reference
  JSON-style document store: flexible schema, sharding, replica-set failover; server under SSPL
  Document Database High Availability #
• Apache Cassandra | Apache Cassandra Documentation (Apache Cassandra) tool
  Masterless wide-column NoSQL store: linear scaling, multi-datacenter replication, Apache-2.0
  High Availability Key Value Store Wide Column Store #
• Neo4j documentation - Neo4j Documentation (Neo4j Graph Data Platform) reference
  graph database docs: deployment on Docker/Kubernetes, visual tooling, client libraries; free Community Edition
  Free Tier Graph Database #
• pgAdmin - PostgreSQL Tools (pgadmin.org) tool
  PostgreSQL object browser and query tool with graphical EXPLAIN; desktop or web, open source
  Relational Database Web Application #
• DBeaver Community | Free Open-Source Database Management Tool (dbeaver.io) tool
  cross-engine desktop SQL client; Community Edition no-cost under Apache-2.0, paid PRO alongside
  Relational Database SQL #
• phpMyAdmin (phpMyAdmin) tool
  web front end for MySQL/MariaDB: tables, users, privileges, SQL, import/export, 97 languages
  Relational Database Web Application #
• PgBouncer - lightweight connection pooler for PostgreSQL (pgbouncer.org) tool
  PostgreSQL connection pooler; release notes cover CVE-2025-12819 auth-time SQL injection via search_path
  Relational Database Vulnerability #
• Patroni: A Template for PostgreSQL HA with ZooKeeper, etcd or Consul — Patroni 4.1.5 documentation (patroni.readthedocs.io) reference
  PostgreSQL automatic failover and leader election via etcd, ZooKeeper or Consul, open source
  High Availability Relational Database #
• GitHub - akopytov/sysbench: Scriptable database and system performance benchmark (GitHub) repo
  scriptable LuaJIT benchmark: OLTP database workloads plus CPU, memory, fileio and thread tests
  Load Testing Performance Analysis #