Practice_Quiz_Writing_Queries.sql. Top. File metadata and controls. ... All of the questions in this quiz pull from the open source Chinook Database. Please refer to the ER Diagram -- below and ...

#These are examples of practice SQL that I have written using dummy databases, tables, and questions. #Show the customer id, transaction id, purchase amount, and that same amount with a 33% discout ...

Practice solving problems related to business analytics, e-commerce, or any other domain where SQL plays a crucial role in data manipulation and extraction. Troubleshooting and debugging ...

SQL Queries and Networking are Most Prefered Topics For CBSE Class 12 Information Practices Exam. ... Joins and Subqueries in SQL – These require practice to master but can fetch full marks if written ...