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Why this query is fast
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Classroom Contents
Database Engineering
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- 1 Relational Database ACID Transactions (Explained by Example)
- 2 B-Tree vs B+Tree in Production Database Systems
- 3 Key vs Non-Key Column Database Indexing
- 4 SELECT COUNT (*) can impact your Backend Application Performance, here is why
- 5 Column vs Row Oriented Databases Explained
- 6 Can you get Eventual Consistency in Relational Databases?
- 7 Database Indexing Explained (with PostgreSQL)
- 8 Indexing in PostgreSQL vs MySQL
- 9 Explain Explained in PostgreSQL - How Databases Prepare Optimal Query Plans to Execute SQL
- 10 Is SELECT * Expensive?
- 11 Bloom Filters Explained by Example
- 12 Database Partitioning Crash Course (with Postgres)
- 13 Horizontal vs Vertical Database Partitioning
- 14 Database Replication Crash Course ( with Postgres 13 )
- 15 Database Engines Crash Course (MyISAM, Aria, InnoDB, XtraDB, LevelDB & RocksDB)
- 16 Database Sharding Crash Course (with Postgres examples)
- 17 Avoid premature Database Sharding
- 18 Pessimistic concurrency control vs Optimistic concurrency control in Database Systems Explained
- 19 Two Phase Locking Explained (2PL)
- 20 Redis In-memory Database Crash Course
- 21 Spinning MongoDB, MongoShell and Mongo GUI with Docker
- 22 Database Exclusive lock vs Shared Lock (Explained by Example)
- 23 Connection Pooling in PostgresSQL with NodeJS (Performance Numbers)
- 24 Building a Web API with Express and PostgreSQL to Consume from Browser
- 25 IndexedDB Crash Course with Javascript
- 26 Postgres Database Cursors in Python with psycopg2
- 27 Database Dead Locks Explained by Example
- 28 Step by Step Javascript and Postgres Tutorial using node-postgres
- 29 Step-by-Step Python and Postgres Tutorial with psycopg2
- 30 Spinning multiple Postgres instances and PGAdmin with Docker
- 31 Step by Step Mysql 8.x and Javascript Tutorial (with mysql2 NodeJs)
- 32 What is a Distributed Transaction in Microservices?
- 33 How to Avoid Double Booking and Race Conditions in Online Web Applications
- 34 Multi-player System Game Design - Pros & Cons of Proposed Designs & System Design Interviews Advice
- 35 When should you shard your database?
- 36 Can the QUIC Protocol improve Database Performance in Web Applications?
- 37 URL Shortener System Design (Explained with Two proposed Designs with Pro and Cons of each)
- 38 How Do Databases Store Tables on Disk? Explained both SSD & HDD
- 39 Concurrent Requests and Unique Keys on Web Applications
- 40 Carnegie Mellon University Advanced Database Course Is a GREAT resource for Backend Engineers!
- 41 Keep your Servers Close and Your Database Closer
- 42 What is the Largest SQL Query We can Send Before The Database Process Crashes?
- 43 MariaDB vs MySQL SSD NVMe vs SATA Performance - Discussions on the Percona Benchmark
- 44 What caused the cold start performance “dip” in MariaDB .. Let us discuss (@Percona Article)
- 45 Best Practices Working with Billion-row Tables in Databases
- 46 Index Scan vs Index Only Scan on Database Systems (with Postgres)
- 47 Why Discord Moved from MongoDB to Apache Cassandra, Let us Discuss
- 48 PostgreSQL 13 Has Some Performance Boosts! Let us discuss it!
- 49 Opening Old Wounds - Why Uber Engineering Switched from Postgres to MySQL
- 50 Why Redis Became the Most Popular Database on the Cloud in 2020
- 51 Basic Caching Techniques Explained - Spatial, Temporal, Distributed, Write-Through, Write-Back,Aside
- 52 Will AWS Babelfish Succeed in Moving Developers Away from SQL Server to Postgres?
- 53 Meet mySQL RAPID - distributed, in-memory, columnar, query processing engine by ORACLE
- 54 Combining Database Indexes for Better Performance in Your Backend Applications (with PostgreSQL)
- 55 don’t use “offset” in your SQL
- 56 Burned by Docker and it was my fault
- 57 Bitmap Index Scan in Postgres Explained with Examples (Members only)
- 58 Is EventStoreDB the First Native gRPC Database?
- 59 Create Index Blocking Production Database Writes? Postgres Solves this with this trick
- 60 How to Automate Partitioning in Postgres
- 61 UUIDs are Bad for Performance in MySQL - Is Postgres better? Let us Discuss
- 62 Redis In-Memory Database Crash Course
- 63 Phantom Reads in Postgres Explained Compared to Other DBMS
- 64 Serializable vs Repeatable Read Isolation Level - When to use one over the other in Database Systems
- 65 How Database Cursors Help in Fetching Large Result sets from your SQL
- 66 Watch out before Adding Indexes to Your Table, Your Database Optimizer Might not Use them
- 67 Write Amplification Explained in Backend Apps, Database Systems and SSDs
- 68 Can NULLs Improve your Database Queries Performance? - The Backend Engineering Show
- 69 SELECT COUNT(*) is Slow, Estimate it Instead (with Example in Node JS and Postgres)
- 70 Auth0 MongoDB Gets Overloaded Causes an Major Outage
- 71 The Tale of OLTP, OLAP, and HTAP in Data Warehousing - The Backend Engineering Show
- 72 Optimizing Communication and Networking in Database Systems - The Backend Engineering Show
- 73 The New Postgres 14 Looks Promising - The Backend Engineering Show with Hussein Nasser
- 74 Primary Key vs Secondary Key - What you probably didn't know (Members ONLY)
- 75 All Types of Database Replication Discussed
- 76 My thoughts on the CAP theorem
- 77 B-tree vs B+ tree in Database Systems
- 78 Should you go with an Optimistic or Pessimistic Concurrency Control Database?
- 79 Can Redis be used as a Primary database?
- 80 Turns out MySQL Statement-based Replication might not be a good idea, Lets discuss why
- 81 Partial Indexing | The Backend Engineering Show
- 82 Update your database statistics often or your SQL queries will suffer #shorts
- 83 Table Clustering in MySQL and Postgres - The pros and cons
- 84 How Redis efficiently snapshots gigabytes of memory to disk (forking)
- 85 backend leaking Postgres database connections - what I did to fix it
- 86 on graph databases
- 87 On Graph Databases | The Backend Engineering Show
- 88 The cost rolling back transactions (postgres/mysql)
- 89 when indexes are useless | The Backend Engineering Show
- 90 What is the cost of Indexing too many columns - Udemy Q&A November 2021
- 91 Postgres index bloat | The Backend Engineering Show
- 92 what is a database index?
- 93 The limitations of today’s SSDs | The Backend Engineering Show
- 94 Why this query is fast
- 95 Redo, Undo and WAL logs | The Backend Engineering Show
- 96 Sorting in Postgres 15 is 371% faster in certain cases