我剛開始學習如何編寫w/SQL。我下面就Codeacedemy.com如何一次更新多個ID
教程這裏是我寫了它的樂趣,簡單的日期基礎:
CREATE TABLE employees (id INTEGER, name TEXT, year INTEGER);
INSERT INTO employees (id, name, year) VALUES (1, 'Dave', 2010);
INSERT INTO employees (id, name, year) VALUES (2, 'Karen', 2001);
INSERT INTO employees (id, name, year) VALUES (3, 'Joe', 2009);
INSERT INTO employees (id, name, year) VALUES (4, 'Larry', 2013);
INSERT INTO employees (id, name, year) VALUES (5, 'Tammy', 2015);
INSERT INTO employees (id, name, year) VALUES (6, 'Samantha', 2005);
INSERT INTO employees (id, name, year) VALUES (7, 'Karen', 2010);
INSERT INTO employees (id, name, year) VALUES (8, 'Rick', 2011);
ALTER TABLE employees ADD COLUMN gender TEXT;
UPDATE employees
set gender = 'Male'
where id = 1;
SELECT * FROM employees;
有沒有辦法,我可以一次使用更新的多行的方式ID?例如,我可以使用ID 1,3,5,8,它們全部更新爲「男性」。
謝謝!
[SQL WHERE ID IN(id1,id2,...,idn)]的可能重複(http://stackoverflow.com/questions/5803472/sql-where-id-in-id1-id2-idn) –
也http://stackoverflow.com/questions/32159616/sql-update-multiple-rows-on-specific-ids?rq=1 –
謝謝你,鏈接是非常有益的! –