💡 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 views1 month ago
FacebookAshok IT
Which MySQL command helps to add a primary key constraint to any table that has already veen created? - Informatics Practices | Shaalaa.com
Which MySQL command helps to add a primary key constraint to an…
Nov 29, 2024
shaalaa.com
All Table Modification Commands in MySQL | ALTER Explained | DinaTechy #coding #mysql
8:29
All Table Modification Commands in MySQL | ALTER Explained | DinaT…
1 month ago
YouTubeDinaTechy
Dba: Add composite primary key on existing PostgreSQL table
2:26
Dba: Add composite primary key on existing PostgreSQL table
2 views3 months ago
YouTubeSophia Wagner
Auto increment and primary key MySQL #primarykey #mysql #sql
Auto increment and primary key MySQL #primarykey #mysql #sql
30 viewsJun 1, 2024
YouTubeSMA Tech
Create Primary key on existing table
Create Primary key on existing table
214 viewsMay 13, 2023
YouTubeYour Guide
Add composite primary key on existing PostgreSQL table
Add composite primary key on existing PostgreSQL table
188 viewsMar 17, 2023
YouTubePeter Schneider
MySQL Primary Key: What is it and how to use it?
1.2K viewsAug 23, 2022
YouTubeDevart
DBeaver Creating Tables-Primary and Foriegn Keys
10.4K viewsOct 20, 2023
YouTubewavysummer777
What is Primary Key, Create Primary Key , Alter Primary Key and Drop …
10.6K viewsDec 18, 2018
YouTubeTechBrothersIT
(MySQL) Create a database, alter table, insert into, drop column, for…
10.4K viewsMay 14, 2018
YouTubeIrish Lopez
13:48
MySQL Workbench Tutorial
1.6M viewsFeb 7, 2013
YouTubeMySQL
4:01
T-SQL - Primary Key Constraints
8.1K viewsFeb 14, 2018
YouTubeTutorialsPoint
10:39
MySql Tutorial in 10 Minutes
331.1K viewsAug 18, 2017
YouTubeTubeMint
12:07
How to create table, primary key, foreign key, subquery using Micro…
40.8K viewsMar 11, 2020
YouTubeSonya Zhang
5:58
How to create foreign key in phpMyAdmin
467K viewsFeb 26, 2020
YouTubeVicode Media
11:46
Alter Table (ADD and REMOVE Primary Key) | MYSQL Command…
26.6K viewsJun 27, 2021
YouTubeSwati Chawla
18:56
MS Access - Tables Part 1: Creating a database and tables
374.3K viewsMar 28, 2021
YouTubeMr Long Education - IT & CAT
25:43
MySQL in 25 Minutes | Primary and Foreign Keys | Database Terminol…
75.6K viewsJan 31, 2019
YouTube365 Data Science
7:21
SQL tutorial for beginners | Part 3 | Primary key & foreign key
35K viewsMar 15, 2019
YouTubePixel Insider
10:10
SQL Tutorial - 12: Inserting Data Into Tables
691.3K 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.
10:26
How to create new Database and Table in MySQL WorkBench
1.6M viewsNov 2, 2020
YouTubeAmit Thinks
3:03
Microsoft Access Tutorial : How to Set or Change the Primary Key in …
90K viewsMar 7, 2009
YouTubeeHowTech
3:14
Create a database and table in MySQL with phpMyAdmin
19.2K viewsNov 11, 2020
YouTubeBrandan Jones
4:37
PostgreSQL: Adding Primary Key | Course | 2019
11.8K 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
15:36
SQL Create Table and Insert Data - A Complete Tutorial
284.2K viewsApr 28, 2020
YouTubeThe SQL Guy
4:53
What is a Primary Key in MS Access Table - Office 365
5K viewsMay 10, 2020
YouTubeFind Easy Solution
7:49
MySQL Tutorial: Auto_increment, Primary key, Foreign key | Hands …
4.3K viewsDec 11, 2020
YouTubeTechGeekyArti
See more videos
Static thumbnail place holder