Inner Join Interview Questions

    Question 1: INNER JOIN Basic Concept

    What does INNER JOIN do in SQL?

    Question 2: Basic INNER JOIN Syntax

    You have two tables: customers (customer_id, name) and orders (order_id, customer_id, order_date). You want to list all orders along with the name of the customer who placed each order.

    Question 3: INNER JOIN vs WHERE with Multiple Tables

    What is the difference between INNER JOIN and using WHERE clause with multiple tables?

    Question 4: INNER JOIN with Multiple Conditions

    Can INNER JOIN have multiple conditions in the ON clause?

    Question 5: INNER JOIN Syntax Requirements

    What is required in INNER JOIN syntax?

    Question 6: INNER JOIN on Multiple Tables

    You have three tables: orders (order_id, customer_id, product_id), customers (customer_id, name), and products (product_id, product_name). You want to list all orders with the customer name and product name for each order.

    Question 7: INNER JOIN vs CROSS JOIN

    What is the difference between INNER JOIN and CROSS JOIN?

    Question 8: Column Selection in INNER JOIN

    How do you select columns from specific tables in INNER JOIN?

    Question 9: INNER JOIN with WHERE Clause

    Can WHERE clause be used with INNER JOIN?

    Question 10: INNER JOIN with Aggregate Functions

    Using the orders (order_id, customer_id, total_amount) and customers (customer_id, country) tables, find the total sales amount for each country.