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Fundamentals of database systems
Добавлен 23 июн 2015
Big Data
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Просмотров: 6 885
Видео
NoSQL: Different NoSQL Systems
Просмотров 4,8 тыс.9 лет назад
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NoSQL: Columnar Families
Просмотров 10 тыс.9 лет назад
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NoSQL: Introduction and Properties
Просмотров 12 тыс.9 лет назад
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Concurrency Control: Deadlock Recovery and Update Operations
Просмотров 7 тыс.9 лет назад
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Concurrency Control: Deadlock Prevention and Deadlock Detection
Просмотров 17 тыс.9 лет назад
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Concurrency Control: Multiple Granularity for Locks
Просмотров 27 тыс.9 лет назад
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Concurrency Control: Validation-based Protocol
Просмотров 34 тыс.9 лет назад
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Concurrency Control: Timestamp Ordering Protocol
Просмотров 25 тыс.9 лет назад
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Concurrency Control: Two-phase Locking Protocol
Просмотров 33 тыс.9 лет назад
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Concurrency Control: Locks
Просмотров 22 тыс.9 лет назад
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Schedules: Recoverability
Просмотров 12 тыс.9 лет назад
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Schedules: Result Equivalence and Testing for Serializability
Просмотров 6 тыс.9 лет назад
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Schedules: View Serializability
Просмотров 14 тыс.9 лет назад
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Schedules: Conflict Serializability
Просмотров 12 тыс.9 лет назад
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Recovery Systems: Checkpointing and Shadow Paging
Просмотров 41 тыс.9 лет назад
Recovery Systems: Checkpointing and Shadow Paging
Recovery Systems: Immediate Database Modification.
Просмотров 13 тыс.9 лет назад
Recovery Systems: Immediate Database Modification.
Database Transactions: States and Systems
Просмотров 9 тыс.9 лет назад
Database Transactions: States and Systems
Recovery Systems: Deferred Database Modification
Просмотров 20 тыс.9 лет назад
Recovery Systems: Deferred Database Modification
Database Transactions: Properties and Failures
Просмотров 12 тыс.9 лет назад
Database Transactions: Properties and Failures
Query Optimization: Heuristics and Sizes
Просмотров 20 тыс.9 лет назад
Query Optimization: Heuristics and Sizes
Query Optimization: Complex Equivalence Rules
Просмотров 10 тыс.9 лет назад
Query Optimization: Complex Equivalence Rules
Query Optimization: Equivalent Expressions and Simple Equivalance Rules
Просмотров 27 тыс.9 лет назад
Query Optimization: Equivalent Expressions and Simple Equivalance Rules
Query Processing: Hash join and other Operations
Просмотров 20 тыс.9 лет назад
Query Processing: Hash join and other Operations
Query Processing: Nested-Loop joins and Merge join
Просмотров 50 тыс.9 лет назад
Query Processing: Nested-Loop joins and Merge join
Database Indexing: Tree-based Indexing
Просмотров 26 тыс.9 лет назад
Database Indexing: Tree-based Indexing
Good explanation
Superb explanation ❤️
Thank you 👍
Dhanyavaad ji.
Had to learn about precedence graph thinking its not covered in this series.
Can someone tell does it matter if undo list is done before redo list or vice versa?
You have to do undo list first
T2 was added because it was never committed
vishnu ni set chestha jaldhi nee address pettu 9_21_7__28
bro Address pettu!
any book
I appreciate your clarity and attention to detail. Great video
Sir, you could have shown using VS Code, or SQL Workbench. This writing by hand is so cumbersome.
Thank You Sir
I really appreciate your efforts as aprart from you none of the youtube channel has covered this topic, thank you sir.
Why lecture 9... Where is 2-8?
Hi... Go to their channel and u can find all the lectures in their playlist
wonderfully expression
At 12:36 for T3, why A = 9? Shouldn't it be A = 1 ?
Because T3 has committed after checkpoint so need to be redo.
you look like a beatles singer. You teach good thanks
your last example ,how that the relation is in bncf and its not in 1nf we have multivalued attribute !?
The schedule @15:19 looks only recoverable (not cascadless). Please correct me, if I am wrong.
Worst explaintion
Sir could you please supply the slides?
From select, union, project, set difference, cartesian product, rename which are logical operators?
THIS VIDEOS COMPLETES MY CSE VTU
hahaha
great explanation
But I am getting this photos.google.com/u/2/share/AF1QipOBvKhW3aLb08rLM-U4LJpFm_EJbuuLer0hD2Oh4xzJF5AHOjQcxaAHLmYA-AHNcw/photo/AF1QipO0tgWw0aCWatfebFW-vIylk9m6BQW612-ZkVBZ?key=bU5XQkR6NmtxaVBPSWFrMlBRRHNMcWpieERzRkRn
Hi Sir, Very nice explanation but please help me for below: 1: By default left deep tree mostly choose in explain plan and we can apply hint to change from left to right but what is situation where right deep tree more benefical than left deep tree? 2: How to force optimizer to choose bushy join tree?
Very clear explanation..... Examples are very helpful....
It's not clear how you convert it in 2NF at 12.01
This came in Gate 2019.
Best video for GATE 2021
This is the best. :) Thanks professor
oye lun k topan a kr writing mujse seek le
He explained it to such an extent that I forgot how indexing works in an array. Thanks for degrading my knowledge and wasting my time. :)
Hi sir...At 11.30 mins.... Here we did not select the other branch ( we have selected only T.bname) , then how is it possible to mention the second branch as "S" in &From' and get the output?
very poor explanation....
How merge passes is calculated?
Thank you sir 👍
Awesome video Sir
If it checks for commit record in system log , then why to undo again ?????
Thank you so much sir... Hats off to your effort...!
the explaination given are purely abstract, and requires prior understanding of DBMS to understand, it would have been better if more examples and illustration were added to make things easier to understand.
In example, Candidate key is ( id ) only . Then the table is already in 2NF because C. Key is irreducible.
total shit of a lecture, no examples, and everytime there should have been a example he says 'this is easier to understand'
Sir, How come IX and X are compatible. how can it write
They aren't compatible. Sir never said that. Also, it is 'N' in the compatibility matrix.
Every concept has to be explained properly ....... Headings are ok but there is no knowledge inside the video
As expected fully theoretical, no examples, and hence disliked.
Didn't get anything
Because of him , I started believing in nptel
your lecture is good and cool thank you sir