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DBMS: Keys in RDBMS Topics discussed: 1. Explanation about the need for having keys in tables. 2. Various keys involved in DBMS. 3. Super key with example. 4. Candidate key with example. 5. Primary key with example. 6. Alternate key with example. 7. Unique key with example. 8. Foreign key with example. Follow Neso Academy on Instagram: 🤍nesoacademy(🤍 Contribute: 🤍 Memberships: 🤍 Books: 🤍 Website ► 🤍 Forum ► 🤍 Facebook ► 🤍 Twitter ► 🤍 Music: Axol x Alex Skrindo - You [NCS Release] #DBMSByNeso #DBMS #KeysInDBMS
See complete series of DBMS: 🤍 In this lecture, I have described all types of keys(Super key, Candidate Key, Primary Key, Alternate Key, Secondary Key) in DBMS with examples. Discussed all the important points about keys in DBMS, See Complete Playlists: Placement Series: 🤍 Data Structures and Algorithms: https: 🤍 Dynamic Programming: 🤍 Operating Systems: //🤍youtube.com/playlist?list=PLdo5W4Nhv31a5ucW_S1K3-x6ztBRD-PNa Connect & Contact Me: Facebook: 🤍 Quora: 🤍 Instagram: 🤍 #keysindbms #typesofkeysindbms #DBMSnotes #ugcnet #gatelectures
Super Key is super-set of a key which can uniquely identify each record in the table. Candidate Key is the Minimal Super Key. Primary Key is one of the Candidate keys. Primary Key is one or more attributes used to uniquely identify each record in the table. #dbms #database #sql #mysql #exam #interviewquestions #primary_key #super_key Image credits: Unsplash: benwhitephotography Unsplash: tommytom1818 Unsplash: sammywilliams Pixabay: jillwellington Pixabay: qimono-1962238
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Superkey CANDIDATE keys Primary key Chapter2 Database قواعد بيانات متقدمة ماجستير
A superkey is a combination of columns that uniquely identifies any row within a relational database management system (RDBMS) table. Link of Candidate Key: 🤍 0:00 - Super Key 2:42 - Numerical DBMS Notes: File 1: 🤍 File 2: 🤍 Contributed by: Anurag Singhal ► Full course of DBMS 🤍 ►Subscribe to our new channel: 🤍 Other subject playlist Link: ►Design and Analysis of algorithms (DAA): 🤍 ►Operating System: 🤍 ► Theory of Computation 🤍 ►Artificial Intelligence: 🤍 ►Computer Architecture: 🤍 ►Computer Networks: 🤍 ►Structured Query Language (SQL): 🤍 ►Discrete Mathematics: 🤍 ►Compiler Design: 🤍 ►Number System: 🤍 ►Cloud Computing & BIG Data: 🤍 ►Software Engineering: 🤍 ►Data Structure: 🤍 ►Graph Theory: 🤍 ►Programming in C: 🤍 - Our social media Links: ► Subscribe us on YouTube: 🤍 ► Like our page on Facebook: 🤍 ► Follow us on Instagram: 🤍 ► Follow us on Telegram: 🤍 ►For Any Query, Email us at: gatesmashers2018🤍gmail.com ►Be a Member & Give your Support on the below link: 🤍 #SuperKey#KeysinDatabase#DBMS#GATE#NET#nielit#collegeUniversityexams
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The concept of Super Key Candidate Key and Primary Key and the conceptual difference. To ask your doubts on this topic and much more, click on this Direct Link: 🤍 IMPORTANT LINKS: 1) Official Website: 🤍 2) Virtual GATE: 🤍 Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: 🤍 Facebook Group: 🤍 Google+ Page: 🤍 Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
For complete DBMS tutorial: 🤍 This video covers the different types of DBMS Keys like Super Key, Candidate Key, Primary Key, Foreign Key, Alternate Key, Composite & Compound Key and Surrogate Key with complete explanation and example. Introduction to Normalization: 🤍 First Normal Form: 🤍 Second Normal Form: 🤍 Third Normal Form: 🤍 BCNF: 🤍 Fourth Normal Form: 🤍 Fifth Normal Form: 🤍 If you LIKE this video, give it a thumbs up and do SUBSCRIBE to our channel. Our website: 🤍 Facebook: 🤍 Twitter: 🤍
Get more time to migrate off of Ubuntu 18.04 with TuCare's Extended Lifecycle Support: 🤍 Grab a brand new laptop or desktop running Linux: 🤍 👏 SUPPORT THE CHANNEL: Get access to a weekly podcast, vote on the next topics I cover, and get your name in the credits: YouTube: 🤍 Patreon: 🤍 Liberapay: 🤍 Or, you can donate whatever you want: 🤍 👕 GET TLE MERCH Support the channel AND get cool new gear: 🤍 🎙️ LINUX AND OPEN SOURCE NEWS PODCAST: Listen to the latest Linux and open source news, with more in depth coverage, and ad-free! 🤍 🏆 FOLLOW ME ELSEWHERE: Website: 🤍 Mastodon: 🤍 Pixelfed: 🤍 Twitter : 🤍 PeerTube: 🤍 This video is distributed under the Creative Commons Share Alike license. #linux #work #linuxdistro 00:00 Intro 00:25 Sponsor: Get more time to migrate off of Ubuntu 18.04 01:17 The work I do 02:13 Laptop Setup and extensions 04:43 Apps I use on my laptop 07:27 Laptop workflow 08:46 Desktop Setup and extensions 09:55 Apps I use on my desktop 12:44 Desktop workflow 14:54 A few extras 16:00 Sponsor: Get a PC that runs Linux perfectly with Tuxedo 16:57 Support the channel Let's start with the laptop, because this is where things take shape before I make them on the desktop. I use 2 laptops. The first one is a Slimbook Executive 16, and the second is a Tuxedo Stellaris 15. They both use a core i7 12700H, they both have 16 gigs of RAM, and the Slimbook has an RTX 3050Ti, where the Stellaris has a 3060. They both have 1440p screens. Both laptops run Fedora GNOME, using Wayland, with a few extensions. First is the all important appindicator support. I also added the "Notification banner reloaded" extension, the Quick Settings tweaker extension, the Privacy Quick settings menu, GS connect, and I have light / dark theme switcher. And to manage these extensions, I use Extension Manager, a wonderful app that lets you browse, install, update and configure everything. On top of that, I installed the libadwaita GTK3 theme so apps that haven't been ported to GTK4 still look like the rest of my desktop, as much as possible. First is writing my scripts. To do that, I use the Iotas Note application. To research scripts, I use Firefox as my web browser, with the Nextcloud passwords extension to sync them between devices. My laptops are also where I do most of my email, and for that, I use Geary. I also handle all my todo lists on my laptops, and for that I use Endeavour. I also use the Nextcloud desktop client to sync all my files between devices, and the Synology Drive client, which has a COPR repo that packages it. And finally, I have the occasional use for the GIMP, and OnlyOffice. I make heavy use of the split screen feature. I also use the activities view, by using touchpad gestures. 3 fingers up on the touchpad brings the overview, and then I can just select a window, or open a new one from the bottom dock or using the keyboard. My desktop has a Ryzen 7 5800X, an RTX 3070, and 32 gigs of RAM. It's plugged into an LG curved ultrawide monitor at 1440p, and I use a logitech MX Master S3 as my mouse, plus some generic logitech speakers. My desktop runs Fedora 37, with GNOME. I also add the exact same extensions as on my laptop. I also don't use minimizing at all. Then, I use Davinci Resolve to do the actual editing. If I need an illustration, like a screenshot, I'll just use the Firefox screenshot tool to capture parts of a webpage, or the whole webpage entirely,. If I need to record my screen, I use OBS. If I need to quickly download a meme video, or one of my own that I didn't back up, I use Tube Converter. All my Virtual Machine needs are handled using GNOME Boxes, I upload my videos using Firefox, all my thumbnails are done using GIMP. To record podcasts, I use Audacity with a Blue Yeti microphone. I use the keyboard a lot here, with the super key being used to open the activities view, or a double tap of the super key to access the app launcher, I use super + left or super + right to tile a window, and super + alt + an arrow key to move to another workspace. When I need to quickly move a window to the next workspace, I use super + alt + shift and an arrow key. I also use the super key to drag windows around, or super + middle click to quickly resize a floating window.
#DBMSKeys #SuperKey #CandidateKey #PrimaryKey #ForeignKey #AlternateKey #CompositeKey #Keys in DBMS This video explains: Keys in DBMS or DBMS Keys or Types of Keys in DBMS or Keys in ER Model, DBMS Keys in Hindi, Keys in DBMS in hindi or Types of Keys in DBMS: Super Key, Candidate Key, Primary Key, Foreign Key, Alternate Key and Composite Key This is a lecture 14 for Database Management System (DBMS) unit 1 according to CSVTU bhilai. For more videos on DBMS follow the given link : DBMS Playlist: 🤍 ER Model Playlist: 🤍 Relational Model Playlist: 🤍 SQL Playlist: 🤍 Lecture 1: Database Management System (DBMS) Introduction 🤍 Lecture 2: View of Data in DBMS | Three Levels of Abstraction | Schema & Instance | Data Independence 🤍 Lecture 3: Data Models | Relational Model | ER Model |Object Based Model | Semi-Structured Model 🤍 Lecture 4: Database Languages | DDL, DML, DCL, TCL 🤍 Lecture 5: Database Access from Application Programs | SQL | APIs - ODBC & JDBC | Embedded SQL 🤍 Lecture 6: Database Users and Administrators 🤍 Lecture 7: Transaction Management & Storage Management 🤍 Lecture 8: Database System Structure, Query Processor, Storage Manager 🤍 Lecture 9: DBMS Architecture: 1-tier 2-tier 3-tier Architecture 🤍 Lecture 10: History of Database Systems 🤍 Lecture 11: Introduction to ER Model, Entity-Attributes-Relationships 🤍 Lecture 12: Types of Attributes in ER Model 🤍 Lecture 13: Mapping Cardinalities & Participation Constraints 🤍 Lecture 14: Keys in DBMS - Super Key, Candidate Key, Primary Key, Foreign Key, Alternate Key, Composite Key 🤍 Lecture 15: Strong Entity & Weak Entity in DBMS 🤍 Lecture 16: Extended ER Features: Generalization, Specialization, Aggregation in DBMS 🤍 Lecture 17: Converting ER Diagrams to Tables with Examples | Rules 🤍 Lecture 18: Questions on Conversion of ER Diagrams to Tables | Part 1 - 🤍 Lecture 19: Questions on Conversion of ER Diagrams to Tables | Part 2 -🤍 Lecture 20: How to draw ER diagram| ER Diagram for Banking System | ER Notations 🤍 Lecture 21: Relational Model in DBMS | RDBMS 🤍 Lecture 22: Relational Model Mathematical Structure in DBMS 🤍 Lecture 23: Integrity Constraints 🤍 Welcome to this youtube channel "Shanu Kuttan CSE Classes " by Shanu Kuttan. This is a technical educational channel for subjects of computer science and engineering subjects (CSE) as per university syllabus and also cover GATE topics. It provides Computer Science and engineering classes in Hindi. This channel’s video helps Computer Science and Engineering students to understand different subjects like Computer System Architecture (CSA) i.e. Computer Organization and Architecture (COA) or simply Computer Architecture, Database Management System (DBMS), Advance Computer Architecture (ACA), Parallel Processing and Computing (PPC) unit wise as per the CSVTU syllabus i.e. Chhattisgarh Swami Vivekanand Technical University, Bhilai Contact Link in Facebook : 🤍
This video shows you how to fix the issue in XFCE where there is a conflict with the Whisker menu when using the Windows Key (Super Key) in a keyboard shortcut. ☀ Distro used in this video: Manjaro 18: 🤍 ☀ Gear used for the video: Panasonic Lumix G7 Camera: 🤍 Limo Studio Lights: 🤍 Audio-Technica ATR3350iS Mic: 🤍 Game capture card: 🤍 ☀ My other channel: Eevnos: 🤍 ☀ Social Media Facebook: 🤍 Twitter - 🤍 Instagram - 🤍
Adaeze and the superkids perform 'Education is Key'. Enjoy this video. ►Click link to Stream or Buy Super kids songs 🤍 Listen to Super kids Songs on Spotify: 🤍 Apple Music: 🤍 Amazon: 🤍 🤍 Adaeze and the super kids educational video for children SUPER KIDS EDUCATION IS THE KEY LYRICS VERSE 1: Uncle Jonathan once was a little child. He went to school today, my president Uncle Oyedepo once was a little child. He went to school today, my great minister Aunty Okonji Iweala once was a little child. She went to school today, ambassador CHORUS: Education is the key, education is the power Education is the key, education is the secret Education is the key, education is the knowledge Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key VERSE 2: Uncle Rochas once was a little child. He went to school today, his my governor Brother Emma Okore once was a little child. He went to school today, his my minister Aunty Dora Queeny once was a little child. She went to school today, ambassador I love to go school, to learn to read and write I love to go school, I want to be a doctor I love to go to school, to learn to read and write I love to go to school, I want to be a lawyer CHORUS: Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key Edu edu education – Education is the key Education – Education is the key -~-~~-~~~-~~-~- Please watch: "Super kids - Rainbow Party (Official Video)" 🤍 -~-~~-~~~-~~-~-
We look at how we can remap keys on your keyboard in Linux with Xorg, using xmodmap. In my example, I'll remap the Context Menu key to Right Super, since this key is missing on some keyboards, being replaced by a Function key for multimedia functions. 1. Determine the keycode of the key you want to remap using this command: xev | awk -F'[ )]+' '/^KeyPress/ { a[NR+2] } NR in a { printf "%-3s %s\n", $5, $8 }' 2. Press the key you want to remap to obtain the keycode: 135 Menu In this example, the keycode is "135" and the keysym is "Menu" 3. In a text editor, enter this line: keycode 135 = Super_R 4. Save the file in your home directory as: .Xmodmap (don't forget the dot "." at the beginning) 5. To apply changes, either reboot or run this command: xmodmap .Xmodmap Note that if you hotplug your keyboard by unplugging and plugging it back in, you will need to reapply the changes with the above command. If you want to add comments to your .Xmodmap file, pre-append with "!" instead of "#". Examples of other keysyms are shown here: 🤍 Other articles I referenced in the the video were: 🤍 🤍 Attributions: stainless-steel-keyboard-5-1550850 Photo by Andreas Just from FreeImages Contact me: Twitter: 🤍sleepyeyesvince MeWe: 🤍
In this video, I have discussed the candidate key, super key & alternative key in Database Management Systems. Check constraints: 🤍 not null & default constraints: 🤍 Unique constraint: 🤍 3 Schema Architecture: 🤍 Data Independence: 🤍 Data Abstraction: 🤍 OLAP vs OLTP: 🤍 3-tier Architecture in DBMS: 🤍 2-tier Architecture in DBMS: 🤍 Components of DBMS: 🤍 File System VS DBMS: 🤍 Difference Between Data & Information: 🤍 Introduction to DBMS: 🤍 Playlist of Operating System: 🤍 Playlist of Data Structures: 🤍 Playlist of Algorithms: 🤍 Types of scheduler: 🤍 Follow me on Facebook: 🤍 Follow me on Linkedin: 🤍 you may contact via mail/whatsapp: - mail: farhanhossan246🤍gmail.com whatsapp: 01771432336
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Key concepts in DBMS. (Candidate key, Primary Key, Foreign Key, Alternate Key, Super Key)
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This video is created for Educational Purposes only. Re-usage of content or the video is strictly prohibited. All these videos are property of "Deshan K Sumanathilaka" Youtube Channel. In any need of reusing the content please contact deshankoshala🤍gmail.com. Videos By: Deshan K Sumanathilaka (BTech Computer Science and Engineering, MCS(Reading) ) Assistant Lecturer , IIT Youtube Channel: 🤍 C programming: 🤍 Python in English: 🤍 python is sinhala:🤍 Operating Systems: 🤍 Number Systems:🤍 Logic gates:🤍 Sorting Algorithms:🤍 Database and SQL:🤍 PHP : 🤍
সুখ পাখি তোর প্রেমে মন মজাইয়া আমি | Shukh pakhi tor preme| ফিরে দেখা! | F A SUMON | Soniya haydar 🖐🖐🖐🔛➡ If there is any problem with the video, Picture or song, let me know, I will delete the video. Cast =Nupor Moni & J.I.NiDhi Singer= F A sumon & Soniya haydar Tune & Music= F.A.SUMON Lyric : Masud Ahmed EDIT & DIRECTION - S.REZA Post Production : MusicTek & AgnEeviNa Note I do not own the song and do not take any credit for it whatsoever. My only contribution was slowing the song for aesthetic and entertainment purposes. I hope you guys enjoy this and let me know some more songs that you guys would like for me to slow and add some reverb to Your song suggestions can be of any language. DISCLAIMER: [This Following Audio is Strictly meant for Promotional Purpose.] All copyrights belong to Respective owners. No copyright infringement intended. For Promotional Use Only. We Do not wish to make any Commercial Use of this & Intended to showcase the Creativity of the Artist Involved. * The original Copyright(s) is (are) Solely owned by the Companies/Original-Artist(s)/Record-label(s). All the contents are strictly done for a promotional purpose* DISCLAIMER: As per 3rd Section of Fair use guidelines Borrowing small bits of material from an original work is more likely to be considered fair use. Copyright Disclaimer Under Section 107 of the Copyright Act 1976, allowance is made for fair use Disclaimer: "All the videos, songs, images, and graphics used in the video belong to their respective owners and I or this channel does not claim any right over them. Copyright Disclaimer under section 107 of the Copyright Act of 1976, allowance is made for "fair use" for purposes such as criticism, comment, news reporting, teaching, scholarship, education and research. Fair use is a use permitted by copyright statute that might otherwise be infringing." If there is any problem with the video or song, let me know, I will delete the video. OFFICAL FACEBOOK PAGE: 🤍facebook.com/Firedekhah YOUTUBE: 🤍 LIKE, COMMENT, SUBSCRIBE MY CHANNEL & PAGE NOW YOU GET UPDATED. #bangla #banglasong #banglagan #Bangal_lofi_Music #fire_dekha #ফিরে_দেখা! #Banglamusic #bdlovers #bdMusic #Loversbd_song #musicbd #musicloversbd #loverlovers #Music #Lovers #MusicLovers #bollywoodsonglyrics #bollywoodsonglyrics #lovers #loversmusic,#LoversMusic #Lyrics #musiclyrics, 🤍banglalyricalsong, #lofibd #lofihiphop #musicbangla #aesthetic #hiphop #lofibeats #beats #lofiedits #lofiaesthetic #lofimusicbangla #vaporwave #chill #producer #sp #lofivibes #rap #beatmaker #boombap #anime #art #aestheticedits #chillvibes #chillhop #s #lofiedit #chillbeats #explorepage #vibes #vaporwaveaesthetic #instrumental#love #ফিরে_দেখা!_channel #newmusic #aesthetics #musicproducer #trap #explore #mpc #chillmusic #lofibeat #beat #chillwave #beatmaking #vhs #synthwave #edits #sad #ambient #electronicmusic #lofiandchill #indie #retro #flstudio #grunge #hiphopbeats #edit #artist #soundcloud #musician #spotify #synth#lofihiphop #lofihiphopedits #lofihiphopmusic #lofihiphopbeats #lofihiphopedit #lofihiphopradio #lofihiphopbeat #lofihiphope #animelofih #lofihiphopradio #lofihiphopbeat #channel _ফিরে_দেখা! #lofihiphope #animelofihiphop #lofihiphopbeatstostudyandrelaxto #lofihiphopmix #lofihiphopmademedoit #lofihiphopproducer #lofihiphopjams #lofihiphopvibes #lofihiphopart #lofihiphopchill #lofihiphopradio247chillgamingstudybeatstochillandrelaxt o #lofihiphoprappers #hiphoplofihiphop #lofihiphoptostudyto #247lofihiphopradio #lofihinhontochillandstudvto #lofihinhoncovero #lofihiphoprappers #hiphoplofihiphop #lofihiphoptostudyto #247lofihiphopradio #lofihiphoptochillandstudyto #lofihiphopcover #notlofihiphop #listenlofihiphop #lofihiphopdj #lofihiphopchillhouse #queuethelofihiphop #lofihiphopâand #reverbed_songs _1_hour #slowed_and_reverbed #hindi #slowed_and_reverbed, ## bollywood,bollywood #songlyrics, '#bollywoodsonglyrics #Lyrics #lyricalsong #3dlyrics #Lofi #Lovers #lofi #lover #lover #lofi #bollywood #lofi, #lo-fi #Lovers,#bollywood3dsong, #slowandfastsong #lofi #lovers #lofi_lover_ will_love #sealoverslofi,# indianlofi #Bangallofichannel #BanglaMusicLovers #slowed #reverb #slowed
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This video explains the relation between Super Key, Candidate Key and Primary Key. To ask your doubts on this topic and much more, click here: 🤍 IMPORTANT LINKS: 1) Official Website: 🤍 2) Virtual GATE: 🤍 Both of the above mentioned platforms are COMPLETELY FREE, so feel free to Explore, Learn, Practice & Share! Our Social Media Links: Facebook Page: 🤍 Facebook Group: 🤍 Google+ Page: 🤍 Last but not the least, SUBSCRIBE our YouTube channel to stay updated about the regularly uploaded new videos.
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New Notes Download Links:Please Watch This Video: How To Download PDF Notes - LATEST WEB SITE LINKS 🤍 3.4- Super Key In Relational Data Model In DBMS In Hindi | Super Key In DBMS In Hindi | Keys In DBMS Please Follow Playlist For Complete Chapter - Link Is Under Description PLAYLIST: DBMS - Data Base Management System Tutorials In Hindi | GATE- NET- DBMS Lectures in Hindi 🤍 dbms tutorials, dbms tutorials in hindi, dbms lectures, dbms lectures in hindi, dbms for begineers, dbms gate lectures in hindi, ugc net dbms lectures in hindi, gate dbms lectures, ugc net dbms lectures, gate dbms tutorials in hindi, ugc net dbms tutorials in hindi, gate dbms tutorials, ugc net dbms tutorials, #gatedbmslecturesinhindi, #ugcnetdbmslecturesinhindi, #gatedbmslectures, #ugcnetdbmslectures, A key is an attribute or set of attributes that is used to identify data in entity sets. The attributes which are used as key are known as key attributes. Rest of all are known as Non-key attributes. 2.6.1 Types of Keys There are many keys that are used in the different tables. These are as follows: 1. Super Key : A super key is a set of collection of one or more than one attributes that can identify data uniquely. Any entity set has more than one super key. Employee Reg. No ID Name Salary Dept-ID S1D 1 Mohan 1500 10 A25 2 Sohan 2000 30 33Z 3 Vikas 3000 20 Z4X 4 Madhu 1000 10 A5C 5 Sonal 5000 20 (a) Department Dept-ID Dept-Name 10 Sales 20 Marketing 30 Development (b) FIGURE 2.9. Entity sets employee and department. Ex. In entity set Employee, shown in Figure 2.9(a), Super Keys are (a) (ID, Name, Salary, Reg. No.) (b) (ID, Name, Reg. No.) (c) (ID) etc. All combinations can identify data uniquely. 2. Candidate Key : The minimal super key is known as candidate key. Consider a super key and then take all of its proper subsets. If no one of the proper subsets are super key. Then this super key is taken as candidate key. Ex. ID and Reg. No. are candidate key Example: Find all possible candidate keys for the following relation based on its current tuples: E-R and EER Models 51 A B C D a1 b1 c1 d1 a1 b2 c2 d1 a2 b2 c1 d1 a2 b1 c2 d1 Ans. There are three candidate keys of this relation {A, B}, {A, C}, {B, C} Example: Given a relation Students as follows: Students (SSN, Name, Home_Address, Birthdate, GPA). (a) Determine some candidate keys of this relation? (b) Determine a super key that is not a candidate key? Ans. (a) {SSN}, {Name, Home_Address, Birthdate} are candidate keys. (b) {SSN, Name} is a super key but not a candidate key. 3. Primary Key : An attribute which identifies data uniquely is known as Primary Key. OR The term Primary Key is used to denote Candidate key. Any entity set can have more than one Candidate key but only one Primary Key. Ex. In entity set Employee, either Reg. No. is primary key or ID is primary key. 4. Alternate Keys : All the candidate keys other than Primary Key are known as Alternate Keys. Ex. If you take ID as Primary Key. Then, Reg. No. is an alternate key. 5. Secondary Key : An attribute or set of attributes which doesn’t identify data uniquely but identifies a group of data is known as secondary key. Ex. Name, Salary and Department No. are all secondary keys. 6. Foreign Key : A foreign key is an attribute in any entity set which is also a Primary Key in any other entity set. Ex. Dept_ID: This is an attribute in entity set Employee and also a primary key in entity set Department. Thus, it is a foreign key in Employee. Notes Link: 🤍
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Super Key in DBMS Introduction to Keys(Candidate Key, Primary Key, Alternate Key) : 🤍 DBMS playlist: 🤍
Session on Super Key and Candidate Key for UGC NET Paper. In this session expert, would cover important questions and concepts to help you prepare for UGC NET Paper. BYJU'S Exam Prep for UGC NET Test Series is a one-stop destination for all aspirants who are appearing for the UGC NET Exam. It includes UGC NET Paper 1 Mocks, Sectional Test, Previous Year Papers and much more. 🖼 BYJU'S Exam Prep Hall of Fame 👉🏻Check out Now - 🤍 🆘 Subscribe our Channel For latest video Updates - 🤍 👍Free Mock Test Register Now- 🤍 ▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬ 👉🏻 How will BYJU'S Exam Prep Online Classroom Program help you ? ✅Live classes by India’s top faculty ✅Enhanced preparation with a study plan for consistent learning ✅High-quality course materials designed by subject matter experts ✅Up-to-date questions for mock tests ✅100% doubt resolution by experienced mentors ✅Report card with in-depth analysis of current performance level ✅Extensive guidance from experienced panel
KEY IN DBMS Key is an Attribute or Set of Attributes that identifies rows uniquely TYPES OF KEYS 1. Super Key 2. Candidate Key 3. Primary Key 4. Foreign Key 5. Alternate Key 6. Unique Key DATABASE MANAGEMENT SYSTEM 🤍 PYTHON PROGRAMS 🤍 C PROGRAMMING 🤍 CORE JAVA TUTORIAL FOR BEGINNERS || LEARN CORE JAVA IN 15 HOURS || JAVA TUTORIALS FOR BEGINNERS 🤍 HTML TUTORIALS WITH IMPLEMENTATION || LEARN HTML IN 4 HOURS 🤍 LEARN CSS IN 3 HOURS || CASCADING STYLE SHEETS FOR BEGINNERS 🤍 JAVA SCRIPT FOR BEGINNERS IN 7 HOURS || LEARN JAVA SCRIPT IN 7 HOURS || JAVA SCRIPT 🤍 PYTHON TUTORIALS FOR BEGINNERS (తెలుగు లో) 🤍 PYTHON OOPS - MODULES - EXCEPTION HANDLING (తెలుగు లో) 🤍 PYTHON NUMPY TUTORIAL IN TELUGU (తెలుగు లో) || COMPLETE NUMPY TUTORIALS IN TELUGU 🤍 PYTHON PANDAS TUTORIAL IN TELUGU (తెలుగు లో) || COMPLETE PANDAS TUTORIALS IN TELUGU || DATA SCIENCE 🤍 MATPLOTLIB LIBRARY - PYTHON PROGRAMMING (ENGLISH) 🤍 PYTHON DATABASE CONNECTIVITY - MYSQL & MS-EXCEL 🤍 DATA STRUCTURES USING PYTHON (ENGLISH) 🤍 Instagram : 🤍
Primary Key is a unique and non-null key which identify a record uniquely in table. A table can have only one primary key. Candidate key is also a unique key to identify a record uniquely in a table but a table can have multiple candidate keys. 0:00 - Introduction to Candidate Key 0:07 - Key 0:16 - Attribute 0:33 - Use of Key 4:28 - Candidate key set 4:40 - Primary Key 4:49 - Alternative Key DBMS Notes: File 1: 🤍 File 2: 🤍 Contributed by: Anurag Singhal ► Full course of DBMS 🤍 ►Subscribe to our new channel: 🤍 Other subject playlist Link: ►Design and Analysis of algorithms (DAA): 🤍 ►Operating System: 🤍 ► Theory of Computation 🤍 ►Artificial Intelligence: 🤍 ►Computer Architecture: 🤍 ►Computer Networks: 🤍 ►Structured Query Language (SQL): 🤍 ►Discrete Mathematics: 🤍 ►Compiler Design: 🤍 ►Number System: 🤍 ►Cloud Computing & BIG Data: 🤍 ►Software Engineering: 🤍 ►Data Structure: 🤍 ►Graph Theory: 🤍 ►Programming in C: 🤍 - Our social media Links: ► Subscribe us on YouTube: 🤍 ► Like our page on Facebook: 🤍 ► Follow us on Instagram: 🤍 ► Follow us on Telegram: 🤍 ►For Any Query, Email us at: gatesmashers2018🤍gmail.com ►Be a Member & Give your Support on the below link: 🤍 #CandidateKey#PrimaryKey#DBMS#gate#ugcnet
This is a SUPER Key to manifestation that a lot of people don't cover that will allow you to ease your resistance and align with your desires a lot faster! You definitely don't want to miss out on this so listen up. Become A Certified Manifestation Coach (accept your calling to coach & help others!) (book a 10min call with my Team to learn more) ▸ 🤍 Join My Manifestation Membership Course ▸ 🤍 Subscribe To My YouTube Channel ▸ 🤍 Connect With Me ▸ Website: 🤍 ▸ TikTok: 🤍 ▸ FB Group: 🤍 ▸ Linkedin: 🤍 ▸ Instagram: 🤍 #ScottHaug #HowToManifest #manifestation This video is about A Super Key Of Manifestation 🤍
DBMS - Keys Super, Candidate, Primary, Alternate Watch more Videos at 🤍 Lecture By: Mr. Arnab Chakraborty, Tutorials Point India Private Limited
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In this video in hindi we will discuss different types of sql keys. MS SQL Hindi Playlist : 🤍 MS SQL English Playlist : 🤍 Power BI DAX Hindi Playlist : 🤍 Power BI DAX English Playlist : 🤍 Power BI Hindi Playlist : 🤍 Power BI English Playlist : 🤍 Please support & subscribe my new channel For Bhakti Quotes, Bhakti Stories, History, Aarti, Bhakti Geet and Vrat Katha, please subscribe the channel. भक्ति उद्धरण, भक्ति कहानियां, इतिहास, आरती, भक्ति गीत, व्रत कथा के लिए कृपया चैनल को सब्सक्राइब करें 🤍
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