Challenge No. 128: Insert a space whenever there is a transition from alphabet to number OR number to alphabet in the strings.
Solved using: SQL.
Compare Rows! Part 2
Challenge No. 111: In the historical sales table, extract the dates where the total sales value is greater than the total on the previous date
for example, in 2/1/2024 total sales were 14 and is greater than total sales on 1/1/2024 which is 11.
Solved using:Excel (DROP, FILTER, IF), Google Sheets, Power Query (Table.Group, Table.SelectRows), Python, Python in Excel, and R.
Left Strip Given Chars
Challenge No. 127: Remove LSTRIP Chars from Input String from left side.
Solved using: Python in Excel.
Check Sequential Series
Challenge No. 126: Combine Series 1 and Series 2 together and sort them and list those where elements of the combined series are in sequence with no gap.
Solved using: SQL.
Extract Numbers After The Last alphabet
Challenge No. 30: Extract the LAST Correct Order
These are numbers/symbols following the last alphabet letter.
Solved using: Python in Excel.
Generate Cartesian product of values
Challenge No. 34: Generate the Cartesian product as shown.
Solved using: SQL.
Convert Strings to Morse
Challenge No. 125: Convert given strings into Morse codes.
Solved using: SQL.
Reconciliation!
Challenge No. 110: After reconciling the company’s bank transactions with the records in the financial department, discrepancies were found between 5 rows of bank transactions and 7 rows of financial records.
Solved using: Excel.
Find Disarium Numbers
Challenge No. 124: List the Disarium numbers from column A.
Solved using: Python in Excel.
Top Words in Presidents
Challenge No. 123: Column A contains list of US presidents.
Solved using: SQL.