To query a user's mobile phone and WeChat number, the following SQL statement can be used.
HackerRank isn’t just a random collection of problems; they’ve organized their SQL section pretty well. You can find ...
Abstract: There is increasing demand to integrate big data analytic systems using SQL. Given the vast ecosystem of SQL applications, enabling SQL capabilities allows big data platforms to expose their ...
What if mastering a handful of Excel functions could save you hours each week, eliminate frustrating errors, and even make you the go-to problem solver in your office? It’s not just a bold claim—it’s ...
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The PIVOTBY Function vs PivotTables: Which Should You Use in Excel?
While the PIVOTBY function can only reference source data in Excel, if you create a PivotTable in Excel 2016 or later or Excel for Microsoft 365, you can choose to pull in data from an external source ...
Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...
Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Ramya Krishnamoorthy shares a detailed case ...
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