filmov
tv
Primary, Candidate, Alternative & Foreign Key in Database Urdu/Hindi
Показать описание
#keys #database
In this video, we will discuss different types of keys in databases. Keys are used to access and sorting data in the database.
Different types of keys in the database are as follows:
01:25 Primary Key:
An attribute or set of attributes that uniquely identifies a tuple in a relation is called the primary key.
03:34 Candidate Key:
Sometimes relation has more than one attribute that can uniquely identify data in relation. In this situation, all these attributes are candidate attributes.
04:57 Alternative Key:
A candidate key that is not selected as a primary key is called an alternative key.
05:21 Composite Key:
A primary key that consists of two or more attributes is known as a composite key.
06:07 Foreign Key:
An attribute or set of attributes in a relation whose values match a primary key in another relation.
The relation in the foreign key is created and is known as a dependent table or child table.
The relation to which the foreign key refers is known as the parent table.
Computer Science 11th Class Lectures:
*******************
********************
********************
********************
********************
BSCS - BSIT - BSSE - University Lectures
********************
********************
********************
In this video, we will discuss different types of keys in databases. Keys are used to access and sorting data in the database.
Different types of keys in the database are as follows:
01:25 Primary Key:
An attribute or set of attributes that uniquely identifies a tuple in a relation is called the primary key.
03:34 Candidate Key:
Sometimes relation has more than one attribute that can uniquely identify data in relation. In this situation, all these attributes are candidate attributes.
04:57 Alternative Key:
A candidate key that is not selected as a primary key is called an alternative key.
05:21 Composite Key:
A primary key that consists of two or more attributes is known as a composite key.
06:07 Foreign Key:
An attribute or set of attributes in a relation whose values match a primary key in another relation.
The relation in the foreign key is created and is known as a dependent table or child table.
The relation to which the foreign key refers is known as the parent table.
Computer Science 11th Class Lectures:
*******************
********************
********************
********************
********************
BSCS - BSIT - BSSE - University Lectures
********************
********************
********************
0:23:19
Database Keys Made Easy - Primary, Foreign, Candidate, Surrogate, & Many More
0:08:25
Primary & Foreign Keys
0:09:16
Concept of Keys in DBMS - Super, Primary, Candidate, Foreign Key, etc
0:22:49
Keys in RDBMS
0:10:32
All DBMS Keys Explained | Primary, Super, Candidate, Alternate, Foreign, Composite & Unique Key
0:23:11
Concept of keys- Super, Primary, Candidate, Alternate, Composite, Foreign Key in DBMS
0:04:13
Keys in SQL | Primary Key | Super key | Candidate Key | Alternate Key | Unique Key | Foreign Key
0:05:12
Lec-8: What is CANDIDATE KEY and PRIMARY key | Full Concept | Most suitable examples | DBMS
0:01:01
KEYS in DBMS,PRIMARY KEY,CANDIDATE KEY,ALTERNATE KEY,FOREIGN KEY
0:35:55
Lec 3: Super Key | Candidate Key | Primary Key | Types of keys in DBMS
0:23:31
Introduction to Candidate key, Primary Key, Alternate Key and Foreign Key
0:00:38
Primary 🔑 vs Candidate 🔑#dbms #shorts #gatesmashers #shortvideo #interview #interviewtips
0:06:36
Types of Keys in Relational Model (Candidate, Super, Primary, Alternate and Foreign) | Keys in DBMS
0:14:01
#2 Keys and Its Types - Primary,Candidate,Alternate and Foreign Key | Class 12 Computer Science
0:08:05
Primary, Candidate, Alternative & Foreign Key in Database Urdu/Hindi
0:08:46
DBMS Keys|| Primary, Candidate, Alternate, & Foreign Key|| U-2 S-1 Part-3|| Level-4|| IT/ITeS|| ...
0:16:54
Keys in SQL- Super Key, Candidate Key, Primary Key, Foreign Key, Alternate Key, Composite Key
0:00:14
Primary key and Foreign Key | Super Key| Candidate Key|
0:12:11
DBMS 10: Keys in DBMS | Primary | Candidate | Super | Alternate | Foreign | Composite Key
0:22:01
types of keys in dbms | primary key, foreign key, super key, candidate , alternate, composite keys
0:15:14
Keys||#Super, #Primary, #Unique,#Alternate ,#Surrogate,#Candidate ,#Foreign Key in MySql
0:06:21
Super Key vs Candidate Key vs Primary Key. Understand the difference.
0:02:33
DIFFERENCE BETWEEN PRIMARY KEY AND CANDIDATE KEY IN DBMS WITH EXAMPLE
0:08:26
Keys in database | Keys in SQL | Primary Key Candidate Key Alternate Key Foreign Key | Keys in RDBMS
Комментарии