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Lecture 3: ER Model Explained || ER Diagram Notations || DBMS for Placements
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DBMS Placements Series 2022 - Lecture 3: ER Model Explained || ER Diagram Notations || DBMS for Placements

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15 learners

What you'll learn

Analyze user data to identify behavioral patterns
Design interactive dashboards for real-time reporting
Implement automated workflows using trigger-based logic
Optimize system performance through query indexing and caching

This course includes

  • 18 hours of video
  • Certificate of completion
  • Access on mobile and TV

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Full Transcript

This Video gives a glimpse of ER Model in DBMS There is a lot to learn, Keep in mind “ Mnn bhot karega k chor yrr apne se nahi hoga ya maza nahi aara, Just ask 1 question “ Why I started ? “ Visit Crio: https://www.crio.do/redeem/a806ff0/ Notes & Slides Link: https://drive.google.com/drive/folders/1AlW-FiNw3jHX93qSS9QFUx6prqI9y1g4?usp=sharing Discord Server Link: https://discord.gg/feSQvVXMrd Do provide you feedback in the comments, we are going to make it best collectively. Connect with me here: Instagram: https://www.instagram.com/lovebabbar1/ Twitter: https://twitter.com/lovebabbar3 Telegram Group Link: Love Babbar CODE HELP https://telegram.me/lovebabbercodehelp Connect with Lakshay: Instagram: https://www.instagram.com/lakshayk12/?hl=en LinkedIn: https://in.linkedin.com/in/lakshay-kumar-368a06146 My Editor: https://www.instagram.com/rishu.rsingh/?hl=en Intro Sequence: We have bought all the required Licenses of the Audio, Video & Animation used. TimeStamps: 00:00 - Quick recap 01:12 - Promo 02:02 - What is Entity? 10:21 - What is Entity set? 11:25 - What are Attributes? 12:20 - What are Relationships between Entities? 17:00 - Define ER Model and ER Diagram 18:58 - Attribute Consistency Constraints 21:49 - Types of Attributes (Composite/Multivalued/Derived Attributes) 29:10 - What does NULL specifies in Database? 31:58 - What are Strong and Weak Relationships? 37:53 - Degree of Relationship (Unary/Binary/Ternary Relationships) 41:00 - Mapping Cardinality (1:1, 1:N, N:1, N:M) 47:40 - Participation Constraints (Partial & Total Participation) #DBMSBusted #LoveBabbar #Lakshay

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