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Add Primary Key, Unique Keys, or Foreign Keys to a Table using SQL12/21/2022 7:08:31 AM. In this post, learn how to add a Primary Key, Unique Keys, or a Foreign Keys to an existing table using a SQL query.
Find Primary Key, Unique Key, or Foreign Key in a Table and Delete Keys Using SQL12/21/2022 5:01:34 AM. Today, we will learn how to find a Primary Key, Unique Key, or a Foreign Keys in a table using SQL and how to delete a primary key, unique key, or a foreign key from a table using SQL.
Manage Primary Key And Foreign Key Relationship During Migration5/30/2021 11:34:27 AM. In this article, you will learn to create a model class for databases during migration.
Entity Framework Error: The Relationship Could Not be Changed Because One or More of the Foreign-key Properties is Non-nullable4/15/2021 5:07:13 AM. I am currently working on a MVC and Entity Framework based project in which I encountered a problem with Entity Framework when trying to delete an entity from a related data collection and one or more
Creating Primary Key And Foreign Key Association in SQL Server Using Visual C# 2010 and Entity Framework 12/8/2020 3:20:35 AM. In this article I am showing how to create primary key and foreign key association in Employee and Department table.
Insert Records In Two Tables In Foreign Key Relationship Using Entity Framework Core4/17/2020 9:08:59 AM. In this article, you will learn how to Insert Records in two tables in foreign key relationship using entity framework core.
Finding Foreign Key Child Records In SQL Server1/31/2020 12:18:19 AM. In this article, you will learn how to find Foreign Key Child Records in SQL Server.
Enforcing Foreign Key Constraint In A Multi-Valued Column In SQL Server9/19/2019 8:31:28 AM. This article explains how developers can enforce a Foreign Key Constraint in a multi-valued column in SQL Server. A multi-valued column stores data in a comma-separated format, like 1, 3, 5.
Understanding SQL Server Constraints8/8/2019 11:55:40 PM. In this article, I am going to explain SQL Server constraints such as Unique key constraint Primary key and foreign key and how to implement constraints in SQL Server.
SQL Server Foreign Key Update And Delete (Cascading Referential Integrity)7/31/2019 9:15:54 AM. In this article, you will learn about SQL Server Foreign Key Delete (Cascading Referential Integrity).
Understanding Foreign Key Through GUI In SQL Server2/18/2019 11:03:10 AM. In this video tutorial, we will learn how we can create a Foreign Key in a child table referencing its parent table. And, we will try to understand the concept of foreign keys through GUI.
Code First Approach in MVC With Entity Framework With Primary and Foreign Key Creation4/18/2015 6:28:12 AM. This article shows how to create a Primary Key and Foreign Key using the Code First approach in MVC with Entity Framework.
Constraints in Oracle : Part 210/25/2013 1:38:42 AM. This article explains Foreign Key Constraints in Oracle.
Constraints in Oracle : Part 110/25/2013 1:34:47 AM. This article explains the Constraint clause in Oracle that is basically used to apply the specific rules to the data that restrict the values/data entered into the database columns.
One or more rows contain values violating non-null, unique, or foreign-key constraints 9/30/2012 3:48:28 AM. You may get this error when using a typed DataSet. This tip shows how to fix it.

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