Send the following on WhatsApp
Continue to ChatHackerRank SQL preparation; Revising the Select Query II(MySQL) https://rmag.eu/hackerrank-sql-preparation-revising-the-select-query-iimysql/
HackerRank SQL preparation; Revising the Select Query II(MySQL) https://rmag.eu/hackerrank-sql-preparation-revising-the-select-query-iimysql/