其中最具代表性的是累计分组操作。在分析设备运行状态时，经常需要计算“设备连续处于异常状态的时间长度”——这在传统 SQL 中需要复杂的窗口函数和递归查询。而在 DolphinDB 中，只需一行语句，就能自然表达这种累积逻辑。

Oracle Corporation delivered its strongest quarter in 15 years, with Q3 revenue up 22% YoY to $17.2 billion and cloud revenue ...

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Stanbic IBTC has opened applications for its digital graduate trainee programme, targeting young, tech-savvy Nigerians to ...

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Perplexity推出三款全新开发者工具：Embeddings API、Agent API和Sandbox API，为开发者提供其Computer系统底层编排能力。这些API统一了检索、智能和计算层，让开发者能够通过单一API密钥替代复杂的多供应商技术栈。其中Agent API提供托管运行时环境，编排完整的智能体循环流程；Embeddings API支持内部系统向量搜索；Sandbox API则 ...

Understanding the AI Economy The rise of artificial intelligence is reshaping industries at an unprecedented pace. As businesses integrate AI-powered ...

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