💡 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
SQL Server ALTER TABLE ADD Column overview
SQL Server ALTER TABLE ADD Column overview
168 viewsAug 27, 2019
sqlshack.com
How to modify constraints in Oracle Database
How to modify constraints in Oracle Database
2 months ago
oracle.com
SQL ALTER TABLE to Add, Delete and Change Columns in a Table
SQL ALTER TABLE to Add, Delete and Change Columns in a Table
Sep 19, 2022
mssqltips.com
Alter Table Modify Column ONLINE Issues in SQL Server
Alter Table Modify Column ONLINE Issues in SQL Server
Aug 19, 2020
mssqltips.com
L7: ALTER TABLE in MySQL | ADD / DROP / MODIFY / RENAME Columns in SQL | Class 12 Sem 4 COMA & COMS
21:54
L7: ALTER TABLE in MySQL | ADD / DROP / MODIFY / RENAME Colum…
276 views1 month ago
YouTubeSubha Mondal
How to Alter All Columns at Once in Oracle Database
1:22
How to Alter All Columns at Once in Oracle Database
3 months ago
YouTubevlogize
1:43
Creating Dynamic Table Constraints in SQL: Enforcing Rules Based o…
3 months ago
YouTubevlogize
3:03
Add Table Constraints | Oracle SQL Developer
6.3K viewsOct 19, 2018
YouTubeDBA Genesis
How to Apply Constraints on an Existing table? | SQL Tips | Tech a…
1K viewsOct 27, 2023
YouTubeTech And Talk
Oracle Primary Key Constraint 2 تعليم اوراكل
66.6K viewsFeb 6, 2012
YouTube‫محمد الدسوقى (‪Mohamed El Desouki‬‏)‬‎
SQL Alter Statement Commands | How to Add, Remove, Modify Colu…
1.4K viewsJul 31, 2022
YouTubeParnika Tutorials
Cómo agregar y eliminar Primary Key a una tabla ya existente en S…
909 viewsJun 1, 2024
YouTubesicueldbteam
4:16
The SQL Alter Table Statement
20K viewsJun 2, 2019
YouTubeComputer Science Lessons
6:15
Oracle - SQL - Foreign Key Constraint
94.9K viewsFeb 2, 2018
YouTubeTutorialsPoint
7:50
Oracle - SQL - Unique Constraint
78.7K viewsFeb 2, 2018
YouTubeTutorialsPoint
4:25
Constraints in SQL | Oracle Database
131.5K viewsAug 5, 2021
YouTubeLearn Coding
4:10
Oracle - SQL - Primary Key Constraint
63.2K viewsFeb 2, 2018
YouTubeTutorialsPoint
9:50
SQL Tutorial Constraints with examples
8.2K viewsFeb 18, 2015
YouTubeTechLake
5:42
Creating a Unique Constraint in Microsoft SQL Server Managemen…
34.1K viewsApr 14, 2015
YouTubeRoland Martin
20:35
SQL Tutorial - Create Table with Constraints
16.4K viewsMay 28, 2017
YouTubeBeardedDev
5:30
SQL Tutorial - 55: The ALTER TABLE Command
200.8K viewsJan 17, 2014
YouTubeThe Bad Tutorials
2:21
SQL Constraints with Examples - Database Constraints - How to ad…
5.6K viewsJan 17, 2019
YouTubeIntellipaat
16:35
Sql Server tutorial 11: Adding Constraints to a table
18.8K viewsFeb 11, 2014
YouTubeJohnny Deluca
10:34
Adding a default constraint - Part 4
1.2M viewsAug 5, 2012
YouTubekudvenkat
14:58
Tutorial#60 Foreign key constraint in Oracle SQL Database| How to C…
11.1K viewsSep 20, 2018
YouTubeEqualConnect Coach
10:23
SQL Tutorial - Create table with Foreign Key Constraint in SQL | Al…
586 viewsSep 18, 2020
YouTubeSQL Coder
7:11
MS SQL tutorial on adding columns to existing tables. Alter table. Add …
14.4K viewsApr 22, 2021
YouTubeAccessible IT Software Tutorials
2:38
Alter Table Statement | How to Alter Table in SQL | SQL Server Alter Ta…
6.7K viewsFeb 18, 2019
YouTubeIntellipaat
20:38
SQL ALTER COMMAND | add, delete, modify and rename column…
153.7K viewsAug 20, 2021
YouTubeLearn Coding
See more videos
Static thumbnail place holder