00:02 📚 Introduction to RDBMS and its Basic Terminology RDBMS stands for Relational Database Management System. Data is organized in tables (relations) composed of rows and columns. Modern software often utilizes RDBMS for data management. Key terminologies include relation (table), tuples (records), attributes (columns), data cells (intersections), and more. Understanding these basics is crucial for working with RDBMS. 02:00 🗂 Relations (Tables) in RDBMS In RDBMS, relations are synonymous with tables. Tables organize data into rows and columns. Each row represents a tuple or record. Example: A student table stores student IDs, names, and percentages. Tables make data organization and access efficient. 03:48 📦 Tuples (Records) in RDBMS Tuples are individual rows or records in a table. Tuples should not contain duplicate values. Each tuple follows a consistent format. Example: Student details are organized into tuples. Tuples are essential for data integrity and consistency. 05:41 📝 Attributes (Columns) in RDBMS Attributes are columns in a table. Each attribute must have a unique name. One attribute is designated as the primary key for uniqueness. Example: Student ID, Student Name, and Percentage are attributes. Attributes help define the structure of the data. 08:13 🧱 Data Cells (Intersections) in RDBMS Data cells are intersections of tuples and attributes. They contain actual data values. Data cells should be atomic, meaning they have a single value. Example: Each cell in the table represents a specific data point. Atomic data cells ensure consistency and simplicity. 10:18 📊 Cardinality and Degree in RDBMS Cardinality refers to the number of tuples or rows in a table. Degree is the number of attributes or columns in a table. Example: A student table may have a cardinality of 3 and a degree of 3. Cardinality and degree help describe the size and structure of the data. 12:07 🌐 Domain in RDBMS Domain represents the possible values an attribute can have. It defines the valid range of values for an attribute. Example: The domain for a percentage attribute is 0 to 100. Domains ensure data accuracy and integrity. 13:16 🚫 Null Values in RDBMS Null values represent missing or unspecified data. They are not the same as 0 or empty spaces. Null values indicate that data is not available. Example: If a cell is left blank during data insertion, it's considered a null value. Understanding null values is crucial for data quality assurance.
you are really good in teaching things , but what i would recommend is that you keep things already written on whiteboard cause it will save time for us and you can explain us more about the topic in that time .
Sir , please continue this Play list, as the first two videos of this playlist has very long gap to the third one. It will be very thankful if you continue this playlist.
Thanks Sundeep Sir...! Learned about the Relational Database..!! Can you please advise the company's interview process and How to crack an interview without fear...
Hi sir I'm sowmiya Im having one assignment about er diagram i completed that but can you please once verify that I don't know whether I got correct or wrong one
00:02 📚 Introduction to RDBMS and its Basic Terminology
RDBMS stands for Relational Database Management System.
Data is organized in tables (relations) composed of rows and columns.
Modern software often utilizes RDBMS for data management.
Key terminologies include relation (table), tuples (records), attributes (columns), data cells (intersections), and more.
Understanding these basics is crucial for working with RDBMS.
02:00 🗂 Relations (Tables) in RDBMS
In RDBMS, relations are synonymous with tables.
Tables organize data into rows and columns.
Each row represents a tuple or record.
Example: A student table stores student IDs, names, and percentages.
Tables make data organization and access efficient.
03:48 📦 Tuples (Records) in RDBMS
Tuples are individual rows or records in a table.
Tuples should not contain duplicate values.
Each tuple follows a consistent format.
Example: Student details are organized into tuples.
Tuples are essential for data integrity and consistency.
05:41 📝 Attributes (Columns) in RDBMS
Attributes are columns in a table.
Each attribute must have a unique name.
One attribute is designated as the primary key for uniqueness.
Example: Student ID, Student Name, and Percentage are attributes.
Attributes help define the structure of the data.
08:13 🧱 Data Cells (Intersections) in RDBMS
Data cells are intersections of tuples and attributes.
They contain actual data values.
Data cells should be atomic, meaning they have a single value.
Example: Each cell in the table represents a specific data point.
Atomic data cells ensure consistency and simplicity.
10:18 📊 Cardinality and Degree in RDBMS
Cardinality refers to the number of tuples or rows in a table.
Degree is the number of attributes or columns in a table.
Example: A student table may have a cardinality of 3 and a degree of 3.
Cardinality and degree help describe the size and structure of the data.
12:07 🌐 Domain in RDBMS
Domain represents the possible values an attribute can have.
It defines the valid range of values for an attribute.
Example: The domain for a percentage attribute is 0 to 100.
Domains ensure data accuracy and integrity.
13:16 🚫 Null Values in RDBMS
Null values represent missing or unspecified data.
They are not the same as 0 or empty spaces.
Null values indicate that data is not available.
Example: If a cell is left blank during data insertion, it's considered a null value.
Understanding null values is crucial for data quality assurance.
All I have to say is that you are a good teacher! God bless you.
Sir you are the Savior
You explain things in an excellent and easy to understand and remember way. Thank you for this tutorial
best vdeo sir very helpful to me
keep it up sirr❤
I have understood everything and I must say you're very good teacher
Your teaching is so good sir I understood easily....
You are the my favourite teacher ❤❤
जब से आपको देखा हैं आपके teaching का दिवाना हो गया हुं ❤❤
best explanation I have seen. really good, thank you.
Thanks for your wonderful teaching
A very good explanation sir very useful
you are really good in teaching things , but what i would recommend is that you keep things already written on whiteboard cause it will save time for us and you can explain us more about the topic in that time .
Well done, I like the Way you Explained the concepts.
Mind-blowing ✨👌
Your explanation is Awesome sir
Best explanation I have seen thank you sir ☺️
Thanks sir for simple explaination.
Sir , please continue this Play list, as the first two videos of this playlist has very long gap to the third one. It will be very thankful if you continue this playlist.
Thank you soo much akka for all explanations of all subjects thank you ❤
This will help to many people
Thank you sir, worthful.
Pls upload sql , oracle video. Im non-IT guy. I have infoys interview .
Very well explained thankyou sir...!
Thanks Sundeep Sir...! Learned about the Relational Database..!! Can you please advise the company's interview process and How to crack an interview without fear...
Amazing teaching
Love you sir super 👌👌👌👌👌
Very helpful... ❤❤❤❤❤❤❤❤❤
Thank you so much 😊
sir please upload complete lecture of DBMS may help this lecture lots for job
Super
Thanks for helping us sir
finished watcing
good explanation
❤❤❤😊😊
Can u say the topics of triggers.. packages.. nd cursor
Hii sir RDBMS ki important questions cheppandi sir November 15 2024 maku 3rd semester exam undi important questions cheppandi sir
Thank you sir
Me watching this just 2 hours before my exam .
nice sir
😊
Sir a request from my side please upload a videon on paper pattern and presentation (lenth of the answer in exam)
Important topics also
Tx sir
as early as possible
Hi sir I'm sowmiya
Im having one assignment about er diagram i completed that but can you please once verify that I don't know whether I got correct or wrong one
Sir any RDBMS example program upload the channel pls sir,for ex ticket reservation
Thank you sir🤍
Come to my college
Sir your videos are good but in 15min video i get 6 ad so its very disterbing
videos upload cheyyandi sir related this
Hi Sir
RDBMS Book english Medium Pdf send panuga sir
What is tuples
Row
Sir ye clear karo tuples
Student name primary key auvtada
In student names are same that time what will do in attributes
understood very well thank you sir
nicely explained
Super
thank you sir