Skip to content

3th hometask #2

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
SergeyZ06 wants to merge 3 commits into
base: main
Choose a base branch
from
Open

3th hometask #2

Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
cfa2f64
Solving the second hometask
SergeyZ06 Mar 7, 2021
11b23f0
Solving the third hometask
SergeyZ06 Mar 14, 2021
5cb78ef
Update
SergeyZ06 Mar 14, 2021
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
62 changes: 62 additions & 0 deletions 3th hometask/3th_hometask.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
CREATE TABLE IF NOT EXISTS `vk`.`like_user` (
`user_id` INT(10) UNSIGNED NOT NULL,
`target_user_id` INT(10) UNSIGNED NOT NULL,
`created_date` DATETIME NOT NULL DEFAULT NOW(),
INDEX `fk_like_user_user1_idx` (`user_id` ASC) VISIBLE,
INDEX `fk_like_user_user2_idx` (`target_user_id` ASC) VISIBLE,
PRIMARY KEY (`user_id`, `target_user_id`),
CONSTRAINT `fk_like_user_user1`
FOREIGN KEY (`user_id`)
REFERENCES `vk`.`user` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,
CONSTRAINT `fk_like_user_user2`
FOREIGN KEY (`target_user_id`)
REFERENCES `vk`.`user` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8
COLLATE = utf8_unicode_ci;

CREATE TABLE IF NOT EXISTS `vk`.`like_media` (
`user_id` INT(10) UNSIGNED NOT NULL,
`media_id` INT(10) UNSIGNED NOT NULL,
`created_date` DATETIME NOT NULL DEFAULT NOW(),
INDEX `fk_like_media_user1_idx` (`user_id` ASC) VISIBLE,
INDEX `fk_like_media_media1_idx` (`media_id` ASC) VISIBLE,
PRIMARY KEY (`user_id`, `media_id`),
CONSTRAINT `fk_like_media_user1`
FOREIGN KEY (`user_id`)
REFERENCES `vk`.`user` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,
CONSTRAINT `fk_like_media_media1`
FOREIGN KEY (`media_id`)
REFERENCES `vk`.`media` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8
COLLATE = utf8_unicode_ci;

CREATE TABLE IF NOT EXISTS `vk`.`like_post` (
`user_id` INT(10) UNSIGNED NOT NULL,
`post_id` INT(10) UNSIGNED NOT NULL,
`created_date` DATETIME NOT NULL DEFAULT NOW(),
INDEX `fk_like_post_user1_idx` (`user_id` ASC) VISIBLE,
INDEX `fk_like_post_post1_idx` (`post_id` ASC) VISIBLE,
PRIMARY KEY (`user_id`, `post_id`),
CONSTRAINT `fk_like_post_user1`
FOREIGN KEY (`user_id`)
REFERENCES `vk`.`user` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION,
CONSTRAINT `fk_like_post_post1`
FOREIGN KEY (`post_id`)
REFERENCES `vk`.`post` (`id`)
ON DELETE NO ACTION
ON UPDATE NO ACTION)
ENGINE = InnoDB
DEFAULT CHARACTER SET = utf8
COLLATE = utf8_unicode_ci;