Challenge No. 34: Split and pivot the Orders table
For example, Fred has only 2 Orders on the 14th and 15th Dynamic array function allowed, but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: Python in Excel.
Create the triangle on input
Challenge No. 38: Create the triangle on the basis of given input.
Solved using: Python.
Unique Letters Per Word
Challenge No. 137: List those strings whose words contain only unique letters.
Solved using: Power Query (Table.AddColumn).
Merge! Part 1
Challenge No. 114: In Question Table 1, the dates and product IDs are provided.
Solved using:Excel (FILTER, HSTACK, IFERROR), Google Sheets, Power Query (Text.Split, Table.AddColumn), Python, Python in Excel, R, and SQL.
Mask Specific Whole Words
Challenge No. 136: Mask the string with asterisks if a word given in Words column appears in that row.
Solved using: Power Query.
Sum Negative Numbers Only
Challenge No. 135: Extract the negative numbers and sum them from the given strings.
Solved using: Python in Excel.
Get Dates Before and After a New Order
Challenge No. 33: Get the dates BEFORE and AFTER a NEW ORDER
Dynamic array function allowed but Extra marks for Legacy solutions or PowerQuery Solution.
Solved using: Python in Excel.
List families by common last
Challenge No. 37: Create the list of Families and their members from the given names.
Solved using: SQL.
Add Suffix to Duplicates
Challenge No. 134: If an animal appears more than once, then that animal’s name should be suffixed with 1, 2, 3.
Solved using: SQL.
Duplicate Values! Part 2
Challenge No. 113: Consider the IDs in the question table.
Solved using:Excel (DROP, IF, LAMBDA), Google Sheets, Power Query (List.Transform, Table.AddColumn, Table.AddIndexColumn), Python, Python in Excel, and R.