Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
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create table test(id int auto_increment, num int, PRIMARY KEY (id), unique (num));
insert into test(num) values(1), (2), (3);
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = database()
AND TABLE_NAME = 'test';
select * from test;
insert into test(num) values(3) on duplicate key update num = 5;
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = database()
AND TABLE_NAME = 'test';
select * from test;
insert into test(num) values(7) on duplicate key update num = 5;
SELECT `AUTO_INCREMENT`
FROM INFORMATION_SCHEMA.TABLES
WHERE TABLE_SCHEMA = database()
AND TABLE_NAME = 'test';
select * from test;
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