MySQL: NOT NULL constraint

MySQL tutorial

SQL tutorial

MySQL course

SQL course

MySQL beginners

SQL beginners

Автор: Bro Code

Загружено: 18 окт. 2022 г.

Просмотров: 57 265 просмотров

Описание:

#MySQL #course #tutorial

CREATE TABLE products (
product_id INT,
product_name varchar(25),
price DECIMAL(4, 2) NOT NULL
);

ALTER TABLE products
MODIFY price DECIMAL(4, 2) NOT NULL;

INSERT INTO products
VALUES(104, "cookie", NULL);

MySQL: NOT NULL constraint

Доступные форматы для скачивания:

Скачать видео mp4

Информация по загрузке:

Скачать аудио mp3

Похожие видео

MySQL: CHECK constraint is easy

MySQL: CHECK constraint is easy

MySQL: DEFAULT constraint is easy

MySQL: DEFAULT constraint is easy

MySQL: STORED PROCEDURES

MySQL: STORED PROCEDURES

08 - | MS SQL Server For Beginners | - | Constraints | - | Primary Key Constraint |

08 - | MS SQL Server For Beginners | - | Constraints | - | Primary Key Constraint |

Вся база SQL для начинающих за 1 час

Вся база SQL для начинающих за 1 час

11 - Constraints in SQL | Example | Primary Key | Foreign Key | NOT NULL | Unique | Check | Default

11 - Constraints in SQL | Example | Primary Key | Foreign Key | NOT NULL | Unique | Check | Default

Save HTML Form Data to a MySQL Database using PHP

Save HTML Form Data to a MySQL Database using PHP

MySQL SELF JOINS are ... ughhh

MySQL SELF JOINS are ... ughhh

/𝐧𝐨 𝐨𝐯𝐞𝐫𝐭𝐢𝐦𝐞 | 80's Tokyo Funky Lofi Playlist 🎧 | Broadcasting Beyond | Relax & Chill & Study to

/𝐧𝐨 𝐨𝐯𝐞𝐫𝐭𝐢𝐦𝐞 | 80's Tokyo Funky Lofi Playlist 🎧 | Broadcasting Beyond | Relax & Chill & Study to

سورة يسٓ كاملة للشيخ ياسر الدوسري من ليالي رمضان عام 1442 هـ Surah Yaseen

سورة يسٓ كاملة للشيخ ياسر الدوسري من ليالي رمضان عام 1442 هـ Surah Yaseen