Abstract：Statistics data can be deep retrieved through SQL query in hospital statistics in the era of big data. This paper shows the application of SQL in the new challenge of hospital statistics by analyzing four examples of horizontal correlation, vertical extractions, different time correlation, and different subject correlation, to provide references for the application of hospital statistical methods.
周哲颖，史佳敏，黄锐. SQL查询在妇产科医院统计工作中的应用[J]. 中国医院统计, 2021, 28(6): 546-550.
Zhou Zheying, Shi Jiamin, Huang Rui. Application of SQL query in statistical work in an obstetrics and gynecology hospital. journal1, 2021, 28(6): 546-550.
