A collection of Microsoft Excel learning and exercise sheets to help you build practical skills in formulas, functions, data analysis, and more.

Advanced SQL toolkit featuring recursive CTEs, window functions, JSON parsing, dynamic pivoting, lateral joins, and query optimization for scalable, high-performance data analytics and MAANG-level ...

Some of the hottest jobs for skilled and experienced workers without college degrees pay more than six figures.

你是否也在项目复盘中被“锅从天降”？本文将带你掌握一套“数据自卫术”，从 Excel 快速定位问题，到 SQL 精准提取责任线索，一步步教你如何用数据澄清误解、优化协作，让你在团队中既专业又靠谱。 在互联网职场，“我觉得”是最无力的一句话。 数据 ...

There are plenty of options for short certificate programs that pay well and balance accessibility with real professional value. From self-paced online courses to structured industry programs, the 15 ...

Indian Institute of Technology (IIT) Delhi is partnering with Simplilearn, a leading global digital upskilling platform, and ...

Critical information regarding Microsoft Power BI in Fabric Plans. Big data and reporting solutions designed and perfected by ...