Parent and child table relationship in sql

SQL queries to manage hierarchical or parent-child relational rows in SQL Server - CodeProject

parent and child table relationship in sql

In this page we are going to discuss about such a join which involves the participation of three tables and there is a parent-child relationship. I have a table with two columns, parentID and childID. What I want to do is the following:Given a parentID, get all childID's and the childrens childID's Does. Merge two similar tables from different SQL Server databases and also merge child tables that are connected by foreign key relationships.

parent and child table relationship in sql

На самом деле, - прервал его Дэвид, - Танкадо имел в виду первичную, а не главную разницу. Его слова буквально обожгли Сьюзан. - Первичное!

parent and child table relationship in sql

- воскликнула. И повернулась к Джаббе.

parent and child table relationship in sql

- Ключ - это первичное, то есть простое число.