Database Queries

SHOW FULL COLUMNS FROM `user`

SELECT `kcu`.`CONSTRAINT_NAME` AS `constraint_name`, `kcu`.`COLUMN_NAME` AS `column_name`, `kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`, `kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name` FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc` JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON ( `kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR (`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL) ) AND `kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND `kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME` WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database() AND `rc`.`TABLE_NAME` = 'user' AND `kcu`.`TABLE_NAME` = 'user'

SELECT * FROM `user` WHERE `id`='2'

SELECT COUNT(*) FROM `subscriber` WHERE `user_id`=2

SELECT COUNT(*) FROM `subscriber` WHERE `subscriber_id`=2

SELECT * FROM `posts` WHERE `created_by`=2 ORDER BY `created_at` DESC

SHOW FULL COLUMNS FROM `posts`

SELECT `kcu`.`CONSTRAINT_NAME` AS `constraint_name`, `kcu`.`COLUMN_NAME` AS `column_name`, `kcu`.`REFERENCED_TABLE_NAME` AS `referenced_table_name`, `kcu`.`REFERENCED_COLUMN_NAME` AS `referenced_column_name` FROM `information_schema`.`REFERENTIAL_CONSTRAINTS` AS `rc` JOIN `information_schema`.`KEY_COLUMN_USAGE` AS `kcu` ON ( `kcu`.`CONSTRAINT_CATALOG` = `rc`.`CONSTRAINT_CATALOG` OR (`kcu`.`CONSTRAINT_CATALOG` IS NULL AND `rc`.`CONSTRAINT_CATALOG` IS NULL) ) AND `kcu`.`CONSTRAINT_SCHEMA` = `rc`.`CONSTRAINT_SCHEMA` AND `kcu`.`CONSTRAINT_NAME` = `rc`.`CONSTRAINT_NAME` WHERE `rc`.`CONSTRAINT_SCHEMA` = database() AND `kcu`.`TABLE_SCHEMA` = database() AND `rc`.`TABLE_NAME` = 'posts' AND `kcu`.`TABLE_NAME` = 'posts'

SELECT COUNT(*) FROM `post_likes` WHERE `post_id`=1

SELECT COUNT(*) FROM `comments` WHERE `post_id`=1

SELECT COUNT(*) FROM `notifications` WHERE (`user_id` IS NULL) AND (`is_read`=FALSE)

SELECT * FROM `auth_item` WHERE `name`='admin'

SELECT `parent` FROM `auth_item_child` WHERE `child`='admin'

SELECT * FROM `auth_item` WHERE `name`='superadmin'

SELECT `parent` FROM `auth_item_child` WHERE `child`='superadmin'