Видео ютуба по тегу How To Achieve A Unique Constraint On Multiple Columns In A Database Table

Implementing a Unique Constraint on Two Columns in SQL Server

Avoiding Duplicates Across Multiple Columns in MS Access

How to Enforce a Unique Relationship Over Multiple Columns with Nullable Fields in DB2

How to Add UNIQUE Constraints to Multiple Columns in MySQL

How to Create a Unique Column in SQL Based on Another Variable

How to Use Multiple Unique Constraints in PostgreSQL Tables

How to Apply a Unique Together Constraint Using Peewee

Understanding MySQL Unique Indexes: Clarifying name vs column Decisions

How to Create a Unique Constraint on Multiple Fields in MySQL

Enforce Distinctness of Data in PostgreSQL with Multiple Columns

UNIQUE Constraint in SQL Explained |Prevent Duplicate Values in SQL Table| SQL Tutorial for Beginner

SQLite table constraint - unique on multiple columns

Implementing a Unique Combination Constraint in Your SQL Database

Understanding the Unique Constraint and Index Creation in SQL

How to Add a Unique Constraint on the Date Part of a Datetime Column in SQL

Is it a Good Idea to Define a UNIQUE Constraint Over All Columns Except the Primary Key?

How to Enforce a Unique Constraint on Multiple Columns in a SQL Server Table Variable

Understanding Primary Keys with Multiple Columns in Oracle

How to Implement a Unique Constraint Over Multiple Columns in MySQL

How to Manage Unique Constraints in SQLite: Preventing Duplicate Combinations of Columns