💡 SQL Interview Question: 👉 How do you add a PRIMARY KEY constraint to an existing table in SQL? This is a frequently asked SQL interview question to test your understanding of constraints and table modification. Here’s the clean SQL query 👇 ALTER TABLE employees ADD CONSTRAINT pk_employees PRIMARY KEY (employee_id); 🎯 Explanation: ALTER TABLE is used to modify an existing table ADD CONSTRAINT defines a new table constraint pk_employees is the name of the primary key constraint employee_id b
0:36
💡 SQL Interview Question: 👉 How do you add a PRIMARY KEY constrai…
98 views3 weeks ago
FacebookAshok IT
Learn SQL: Primary Key
Learn SQL: Primary Key
168 viewsDec 20, 2019
sqlshack.com
Add primary key – Oracle PL/SQL Tutorial
Add primary key – Oracle PL/SQL Tutorial
Nov 29, 2016
plsql.co
SQL SELECT TOP statement overview and examples
SQL SELECT TOP statement overview and examples
168 viewsJan 25, 2021
sqlshack.com
SQL INSERT into Table with Code Examples
SQL INSERT into Table with Code Examples
Jun 17, 2022
mssqltips.com
SQL DELETE Statement Examples and Best Practices
SQL DELETE Statement Examples and Best Practices
Jul 29, 2022
mssqltips.com
SQL Server MERGE to insert, update and delete at the same time
SQL Server MERGE to insert, update and delete at the same time
Mar 10, 2009
mssqltips.com
0:33
SQL Primary Key Explained in 30s | Quick DB Tip #Shorts
3 views2 months ago
YouTubeAIW_Technology
Create Primary key on existing table
214 viewsMay 13, 2023
YouTubeYour Guide
8:56
The SQL SELECT Statement
21.4K viewsMay 29, 2019
YouTubeComputer Science Lessons
13:48
MySQL Workbench Tutorial
1.6M viewsFeb 7, 2013
YouTubeMySQL
4:01
T-SQL - Primary Key Constraints
8.1K viewsFeb 14, 2018
YouTubeTutorialsPoint
4:10
Oracle - SQL - Primary Key Constraint
63.2K viewsFeb 2, 2018
YouTubeTutorialsPoint
12:07
How to create table, primary key, foreign key, subquery using Micro…
40.8K viewsMar 11, 2020
YouTubeSonya Zhang
11:46
Alter Table (ADD and REMOVE Primary Key) | MYSQL Command…
26.6K viewsJun 27, 2021
YouTubeSwati Chawla
20:35
SQL Tutorial - Create Table with Constraints
16.4K viewsMay 28, 2017
YouTubeBeardedDev
7:21
SQL tutorial for beginners | Part 3 | Primary key & foreign key
35K viewsMar 15, 2019
YouTubePixel Insider
33:01
SQL Tutorial | SQL SELECT Statement For Beginners
11.9K viewsSep 15, 2020
YouTubetookootek
5:06
add new column to existing table in sql server
90.1K viewsAug 25, 2017
YouTubeLearning Code Today
10:10
SQL Tutorial - 12: Inserting Data Into Tables
691.2K viewsOct 9, 2013
YouTubeThe Bad Tutorials
3:52
How To Set Foreign Keys in SQL Server 2018 / 2019 ?
85.8K viewsApr 4, 2020
YouTubeHaTkesh InFotech Pvt.Ltd.
2:08
SQLServer 2019 - Creating Composite Keys (Primary Key) usi…
7.5K viewsFeb 16, 2020
YouTubeSkillBakery Studio
3:03
Microsoft Access Tutorial : How to Set or Change the Primary Key in …
90K viewsMar 7, 2009
YouTubeeHowTech
4:37
PostgreSQL: Adding Primary Key | Course | 2019
11.8K viewsMar 19, 2019
YouTubeAmigoscode
2:02
PostgreSQL: What Are Primary Keys | Course | 2019
8.9K viewsMar 19, 2019
YouTubeAmigoscode
2:32
How to Create a Primary Key in MS Access Table - Office 365
59.8K viewsMay 10, 2020
YouTubeFind Easy Solution
6:14
SQL Basics Tutorial For Beginners | Select + From Statements | 2/4
530.8K viewsMar 1, 2020
YouTubeAlex The Analyst
15:36
SQL Create Table and Insert Data - A Complete Tutorial
284K viewsApr 28, 2020
YouTubeThe SQL Guy
7:49
MySQL Tutorial: Auto_increment, Primary key, Foreign key | Hands …
4.3K viewsDec 11, 2020
YouTubeTechGeekyArti
24:13
Working with Primary & Foreign key Constraint in SQL Server | SQL Se…
354.3K viewsNov 10, 2016
YouTubeNaresh i Technologies
See more videos
Static thumbnail place holder