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Update result_part4.sql #8

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20 changes: 19 additions & 1 deletion Lesson14/home_work/result_part4.sql
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Original file line number Diff line number Diff line change
@@ -1 +1,19 @@
-- Тут sql для четвертой части задания
-- Тут sql для четвертой части задания
--1. **Обновить курс студента**: Измените курс студента с **`student_id` равным 1** на "Веб-разработка".
UPDATE students
SET course = 'Веб-разработка'
WHERE student_ID = '1';
--2. **Назначить курс неназначенным студентам**: Установите курс "Введение в ИТ" для всех студентов, у которых **`course` равен "Не назначен"**.
UPDATE students
SET course = 'Введение в ИТ'
WHERE course IS NULL;
--3. **Исправить email**: Найдите студента с именем "Иван" и фамилией "Петров" и измените его email на "ivan.petrov@newdomain.com".
UPDATE students
SET email = 'JohnWein@newdomain.com'
WHERE first_name = 'John' AND last_name = 'Wein';


--4. **Обновить фамилию и курс**: Для студента с **`email` "student3@example.com"** обновите фамилию на "Смирнов" и курс на "Алгоритмы и структуры данных" Тут sql для четвертой части задания
UPDATE students
SET last_name ='Смирнов' , course = 'Алгоритмы и структуры данных'
WHERE email = 'popppgg@mail.com'