Databases: Should I create a child table without primary key? (2 Solutions!!)

Databases: Should I create a child table without primary key? (2 Solutions!!)

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Databases: Fact table Primary Key: Surrogate Key or multi-column Natural Key? (2 Solutions!!)
Databases: Fact table Primary Key: Surrogate Key or multi-column Natural Key? (2 Solutions!!)
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Databases: Fact table Primary Key: Surrogate Key or multi-column Natural Key? (2 Solutions!!)

Databases: Fact table Primary Key: Surrogate Key or multi-column Natural Key? (2 Solutions!!)
Database Tutorial 7 Creating Relationships Using Primary and Foreign Keys

Database Tutorial 7 Creating Relationships Using Primary and Foreign Keys
Database Design 17 - Parent Tables and Child Tables

Database Design 17 - Parent Tables and Child Tables
Databases: Deleting rows from child table without deleting from parent (2 Solutions!!)

Databases: Deleting rows from child table without deleting from parent (2 Solutions!!)
Databases: Query parent table and get child tables columns (2 Solutions!!)

Databases: Query parent table and get child tables columns (2 Solutions!!)
SQL1 dept create table without primary key. কীভাবে primary key ছাড়া টেবিল বানাব??

SQL1 dept create table without primary key. কীভাবে primary key ছাড়া টেবিল বানাব??
Databases: Cannot drop column : needed in a foreign key constraint (2 Solutions!!)

Databases: Cannot drop column : needed in a foreign key constraint (2 Solutions!!)
Databases: How to virtually update parent table when child table gets updated? (2 Solutions!!)

Databases: How to virtually update parent table when child table gets updated? (2 Solutions!!)
Databases: MySQL, foreign key, can't create table error 150 (2 Solutions!!)

Databases: MySQL, foreign key, can't create table error 150 (2 Solutions!!)
MySQL : Auto generate id in child table when value insert in parent table

MySQL : Auto generate id in child table when value insert in parent table
SQL : How can I tell the parent table from the child table in a parent/child pair?

SQL : How can I tell the parent table from the child table in a parent/child pair?
Code Review: Checking for violation of primary key in a DataTable (2 Solutions!!)

Code Review: Checking for violation of primary key in a DataTable (2 Solutions!!)
Databases: MySQL query parent child relation get childs

Databases: MySQL query parent child relation get childs
Databases: Mysql Create table shows ERROR 1005 errno 150 (3 Solutions!!)

Databases: Mysql Create table shows ERROR 1005 errno 150 (3 Solutions!!)
Databases: Insert in child table prevents lock on parent table

Databases: Insert in child table prevents lock on parent table
Transitioning from INT to GUID as Primary Keys in SQL Server

Transitioning from INT to GUID as Primary Keys in SQL Server