Oracle Database has historically held the largest market share among commercial RDBMSs. While its dominance has been challenged by open-source alternatives and new cloud-native databases, it remains a leader for enterprise-grade, mission-critical workloads.
According to various industry reports (e.g., Gartner, DB-Engines, 6sense data), Oracle Database consistently ranks among the top 3-5 most popular database management systems. While open-source databases south korea phone number list like MySQL and PostgreSQL have seen significant growth, particularly for new applications, Oracle retains a strong hold on large enterprises and legacy systems.
Relational Database Market: Oracle typically holds the largest revenue share in the RDBMS market, even if it might not have the largest number of installed instances (as free databases often inflate this number).
Enterprise Workloads: It remains the preferred choice for demanding OLTP systems, large-scale data warehouses, and custom applications that require extreme reliability, performance, and security.