Create Primary Key On Column With Duplicate Values (Oracle SQL PL SQL Tricky Interview Questions)

Показать описание

@trickyinterviewquestions

Did you ever think that if we are able to create primary key on any column with duplicate values? That too without deleting data.
Lets see....!
==========================================================================
My Other Videos -

HTML in SQL Queries

DML Error Logging

High Water Mark and Reset Examples

When composite index would be used by Oracle

Create Primary Key on Column with Duplicate Values

Difference between Counts

Difference between varchar2(char) and varchar2(byte)

Case vs Decode

Dont know correct table name? But can still find out.

Create function with OUT parameter

Рекомендации по теме

Комментарии

Do more interview questions and and you giving nice explanation for us ❤️

manjutharak

Faced this question in one interview .. learned new concepts..thank u

pranabsahu

Thank you very much sir, I learned very important and useful information from this vedio.

sukanyareddyontikonda

Hi sir,
By doing this video I learned this new thing today.
Thank you for making this video.

janardhanakasibisi

Iam doing this in vscode, there novalidate keyword is not working, do you know what is the problem??

PavanKalyan-tgzn

Create Primary Key On Column With Duplicate Values (Oracle SQL PL SQL Tricky Interview Questions)

Create Primary Key On Column With Duplicate Values (Oracle SQL PL SQL Tricky Interview Questions)

Add PRIMARY KEY to existing column in sql | Mysql primary key constraint

MySQL: PRIMARY KEYS are easy

Primary key on two columns SQL Server

HOW TO CREATE SINGLE COLUMN PRIMARY KEY USING SQL SERVER MANAGEMENT STUDIO

Make an Existing Column the Primary Key

TSQL: Cannot Define PRIMARY KEY Constraint On Nullable Column In Table '[Table]'

Set Unique Key In Column

Data Manipulation and Database Management with SQL - Analytics Corper Workshop 3.0

How to Add Primary Key at Column Level and Table Level in Oracle

How to add Primary Key column to Existing Table in SQL Server | SQL Server | LearnStuffz

Can we create a Foreign Key on the same column which is already created as a Primary Key SQL |Oracle

SQL : 'no matching unique or primary key for this column-list'. The primary key does exist...

How to create primary key in table column in SQL SERVER- SQL SERVER Free Training

SQL Tutorial - What is a Primary Key column ? How to define a column as Primary Key in SQL?

SQL Primary Keys - Auto-Generating With Identity Columns

MySQL | Joining two tables without primary key, foreign key and common column name

What is a Primary Key and How Can I Create One?

custom primary key column in dataflow | dataflow part 6

SQL Server 26 - PRIMARY KEY, NOT NULL, UNIQUE

AUTOINCREMENT and INTEGER Primary Key column of SQLite database table

MySQL: FOREIGN KEYS are easy (kind of)

Creating Primary Key for a column having duplicate values

Oracle SQL Tutorial 15 - How to Add Primary Key Constraints