数据库行业专题研究：技术实力快速提升，国产替代加速推进

Investment Rating - The report maintains a "Buy" recommendation for the database industry, highlighting rapid technological advancements and accelerated domestic substitution [2]. Core Insights - The database industry is crucial in the IT architecture, significantly reducing the complexity of data storage and processing while supporting various applications [6]. - The global database market is projected to exceed $100 billion for the first time in 2023, driven by advancements in cloud database management systems [7][25]. - Domestic databases are maturing, with policies driving the replacement of foreign systems, particularly in key sectors [46]. Section Summaries Section 1: Importance of Database Software and Global Market Potential - The database market has evolved through three main stages, with the current phase characterized by the rise of NoSQL and NewSQL databases [7]. - The global database market reached $91 billion in 2022, with relational databases holding a 78% market share [25]. Section 2: Maturation of Domestic Databases and Policy-Driven Substitution - The Chinese database market is expected to grow from ¥52.24 billion in 2023 to ¥93.03 billion by 2028, supported by national policies promoting domestic technology [46]. - The domestic database replacement rate in key sectors like finance and energy shows significant room for growth, with current rates at approximately 40% and below 15%, respectively [51].