Hi!I often run queries on my company’s Data Warehouse, which runs DB2. Due to the nature of my permissions, I cannot create Views or new Tables – thus, everything generally has to be done in a ...

Value window functions are like aggregate window functions that perform multiple operations in a window, but they’re different from aggregate functions.

To group and aggregate data using Power Query: Identify the columns you want to group by Use Power Query’s grouping and aggregation functions ...

Course Objectives: Develop queries in SQL to aggregate data stored in a database Develop queries in SQL that utilize subqueries Choose the proper datatype for storing a piece of information in a ...

I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...