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Primary Key and Unique Key Constraints6/29/2024 10:06:27 AM. Primary Key and Unique Key Constraints in database management ensure data integrity and uniqueness. A Primary Key ensures each row is unique and not null, with only one per table. Unique Keys also ens
Contrast b/w 'KeyValuePair<TKey, TValue>' and 'Dictionary<TKey, TValue>' in C#6/16/2024 1:06:19 PM. This article explores the features and uses of KeyValuePair<TKey, TValue> and IDictionary<TKey, TValue> in C#. It highlights KeyValuePair's immutability and its use in representing si
Difference Between Primary key and Unique key in SQL5/21/2024 4:33:26 AM. The difference between Primary Key and Unique Key in SQL lies in their fundamental roles within a database schema. A Primary Key uniquely identifies each record in a table and ensures data integrity b
Unique Key in SQL: Syntax, Usages, and Example5/16/2024 9:30:31 AM. Unique Key in SQL ensures each record in a database table is distinct. Syntax involves defining columns with UNIQUE constraints. It prevents duplicate values, enhancing data integrity and search effic
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.
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.
Create Unique Key Constraint Through GUI In SQL Server10/16/2018 6:20:40 AM. Learn how to create a Unique Key Constraint in SQL Server through GUI without writing any T-SQL query.
ADO.Net Constraints - Unique and Primary Key2/26/2018 12:50:47 AM. This video explains how we can implement Unique and Primary Key and FrontEnd. It then walks you through DataTable merge and checks the Constraints behavior.
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.

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