SQL for Beginners and Data Analyst – Chapter 40: Finding Duplicates
SQL for Beginners and Data Analyst – Chapter 39: SQL Group By vs Distinct
SQL for Beginners and Data Analyst – Chapter 38: Row number
SQL for Beginners and Data Analyst – Chapter 37: Indexes
SQL for Beginners and Data Analyst – Chapter 36: Primary Keys
SQL for Beginners and Data Analyst – Chapter 35: XML
SQL for Beginners and Data Analyst – Chapter 34: GRANT and REVOKE
SQL for Beginners and Data Analyst – Chapter 33: Cascading Delete
SQL for Beginners and Data Analyst – Chapter 31: DROP Table
SQL for Beginners and Data Analyst – Chapter 30: TRUNCATE