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

This project demonstrates how to create and use SQL user-defined functions and stored procedures within a retail dataset (Lucky Shrub). The goal was to automate common operations such as retrieving ...

You’ve used SUM for years. It adds numbers, does its job, and you probably don’t think twice about it. But while you’ve been clicking through filters and building messy helper columns, Excel has been ...

The PHP MySQL project is a web application that includes three main functions: category, post, and tag. The category function allows users to organize posts into specific categories, making it easier ...

MongoDB, Inc. ( NASDAQ: MDB) Citi’s 2025 Global Technology, Media and Telecommunications Conference September 3, 2025 3:30 PM EDT ...

Imagine opening Excel and no longer needing to wrestle with complex formulas or spend hours manually analyzing data. What if you could simply type a question, like “What are the top-performing ...