In this video we will discuss a very interesting SQL interview problem based on ludo king game. This was asked in a Gameberry Labs Interview for a product analyst position.

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Script:
CREATE TABLE user_interactions (
user_id varchar(10),
event varchar(15),
event_date DATE,
interaction_type varchar(15),
game_id varchar(10),
event_time TIME
);

Insert the data
INSERT INTO user_interactions
VALUES
('abc', 'game_start', '20240101', null, 'ab0000', '10:00:00'),
('def', 'game_start', '20240101', null, 'ab0000', '10:00:00'),
('def', 'send_emoji', '20240101', 'emoji1', 'ab0000', '10:03:20'),
('def', 'send_message', '20240101', 'preloaded_quick', 'ab0000', '10:03:49'),
('abc', 'send_gift', '20240101', 'gift1', 'ab0000', '10:04:40'),
('abc', 'game_end', '20240101', NULL, 'ab0000', '10:10:00'),
('def', 'game_end', '20240101', NULL, 'ab0000', '10:10:00'),
('abc', 'game_start', '20240101', null, 'ab9999', '10:00:00'),
('def', 'game_start', '20240101', null, 'ab9999', '10:00:00'),
('abc', 'send_message', '20240101', 'custom_typed', 'ab9999', '10:02:43'),
('abc', 'send_gift', '20240101', 'gift1', 'ab9999', '10:04:40'),
('abc', 'game_end', '20240101', NULL, 'ab9999', '10:10:00'),
('def', 'game_end', '20240101', NULL, 'ab9999', '10:10:00'),
('abc', 'game_start', '20240101', null, 'ab1111', '10:00:00'),
('def', 'game_start', '20240101', null, 'ab1111', '10:00:00'),
('abc', 'game_end', '20240101', NULL, 'ab1111', '10:10:00'),
('def', 'game_end', '20240101', NULL, 'ab1111', '10:10:00'),
('abc', 'game_start', '20240101', null, 'ab1234', '10:00:00'),
('def', 'game_start', '20240101', null, 'ab1234', '10:00:00'),
('abc', 'send_message', '20240101', 'custom_typed', 'ab1234', '10:02:43'),
('def', 'send_emoji', '20240101', 'emoji1', 'ab1234', '10:03:20'),
('def', 'send_message', '20240101', 'preloaded_quick', 'ab1234', '10:03:49'),
('abc', 'send_gift', '20240101', 'gift1', 'ab1234', '10:04:40'),
('abc', 'game_end', '20240101', NULL, 'ab1234', '10:10:00'),
('def', 'game_end', '20240101', NULL, 'ab1234', '10:10:00');


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