#SQL
#SQL Leetcode SQL 50 #22: 550:
Write a solution to report the fraction of players that logged in again on the day after the day they first logged in, rounded to 2 decimal places. In other words, you need to count the number of players that logged in for at least two consecutive days starting from their first login date, then divide that number by the total number of players.
We will be solving all the questions from LeetCode SQL 50 one by one. These questions range from easy to hard.
**SQL scripts you can use to create and populate the table:
-- Create the Activity table
CREATE TABLE Activity (
player_id INT,
device_id INT,
event_date DATE,
games_played INT
);
-- Insert data into the Activity table (add more rows to it)
INSERT INTO Activity (player_id, device_id, event_date, games_played) VALUES
(1, 2, '2016-03-01', 5),
(1, 2, '2016-03-02', 6);
#datascience #coding #programming #mssql #databasemanagement #leetcode #leetcode550 #leetcodesolution
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