Database architecture design ideas and industry applications

In the era of rapid development of big data and cloud computing, complex and huge amounts of data information and rapidly iterative emerging businesses have triggered continuous reconstruction and upgrade of database technology by Internet companies.
What role does the database play in the process of enterprise digital transformation? What practical experience does the database have in terms of architecture evolution and self-developed kernel optimization? As a new infrastructure in the AI ​​era, what challenges and developments will the database face?