# NEW QUERY (count function: count all employees hired in 1995) ...

Excel's AGGREGATE function lets you perform calculations whilst ignoring hidden rows, errors, or other functions that appear in the data. It's similar to the SUBTOTAL function but provides more ...

Q. Are there any alternatives to traditional PivotTables in Excel? A. The first thing that comes to mind is the function GROUPBY. The primary purpose of GROUPBY is to make data analysis easier by ...

In the realm of computer science, it’s hard to go too far without encountering hashing or hash functions. The concept appears ...

Learn how Power Pivot transforms Excel into a powerful tool for managing complex datasets, advanced calculations, and data ...

This tool enables you to easily visualize column-level reference relationship (so called data lineage) between tables/views stored in Spark SQL. The feature is useful for understanding your data ...

According to Phua, mayors operate "as a regional office" that looks at the entire district, allowing CDCs and mayors to "aggregate the needs of the district" and "find some common areas".