To query a user's mobile phone and WeChat number, the following SQL statement can be used.

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Especially in the second edition, it has been fully updated for MySQL 8, and after reading it, you will feel that this is not just a book; it is more like a practical manual that helps you truly ...

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Dr. JeFreda R. Brown is a financial consultant, Certified Financial Education Instructor, and researcher who has assisted thousands of clients over a more than two-decade career. She is the CEO of ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...