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SQLize.online is a free online SQL environment for quickly running, experimenting with and sharing code.
You can run your SQL code on top of the most popular RDBMS including MySQL, MariaDB, SQLite, PostgreSQL, Oracle and Microsoft SQL Server.
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drop table persons; create table persons ( id int, name varchar(100), gender varchar(10), location varchar(100)); insert into persons values (1, 'John', 'm', 'Los Angeles'); insert into persons values (2, 'Mike', 'm', 'Seattle'); insert into persons values (3, 'Ann', 'f', 'New York'); insert into persons values (4, 'Emily', 'f', 'Los Angeles'); -- Expected Output /* location | male_count | female_count Los Angeles | 1 | 1 New York | 0 | 1 Seattle. | 1 | 0 */ select location, count(gender) as male_count, count(gender) as female_count from persons where gender = 'm' group by location; create table user_events (id integer, event_user varchar(20), web_page varchar(20), start_time timestamp ); insert into user_events values (1, 'raj', 'home', to_timestamp('01-NOV-2020 14:01:00', 'dd-mon-yyyy hh24:mi:ss')); insert into user_events values (1, 'raj', 'page 1', to_timestamp('01-NOV-2020 14:02:00', 'dd-mon-yyyy hh24:mi:ss')); insert into user_events values (1, 'raj', 'page 3', to_timestamp('01-NOV-2020 14:05:00', 'dd-mon-yyyy hh24:mi:ss')); insert into user_events values (2, 'kumar', 'page 1', to_timestamp('01-NOV-2020 14:10:00', 'dd-mon-yyyy hh24:mi:ss')); insert into user_events values (2, 'kumar', 'page 2', to_timestamp('01-NOV-2020 14:20:00', 'dd-mon-yyyy hh24:mi:ss')); insert into user_events values (2, 'kumar', 'page 3', to_timestamp('01-NOV-2020 14:40:00', 'dd-mon-yyyy hh24:mi:ss')); select * from user_events;
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MariaDB 10 Sakila (ReadOnly)
MySQL 5.7
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