How Does PostgreSQL Use MVCC and Locks in Read Committed?
Shubh Patel
How Does PostgreSQL Use MVCC and Locks in Read Committed?
13:28
Pessimistic Concurrency Control | 2PL, Deadlocks & Cascading Aborts
Shubh Patel
Pessimistic Concurrency Control | 2PL, Deadlocks & Cascading Aborts
17:47
Database Isolation Levels Explained (Dirty, Phantom, Lost Update) | With Example
Shubh Patel
Database Isolation Levels Explained (Dirty, Phantom, Lost Update) | With Example
15:45
ACID in Databases — The Only Explanation You Need
Shubh Patel
ACID in Databases — The Only Explanation You Need
10:26
Stop Using the Wrong Database Index (B+ Tree, Geohashing, Inverted Explained)
Shubh Patel
Stop Using the Wrong Database Index (B+ Tree, Geohashing, Inverted Explained)
12:06
Database Fundamentals in 9 Minutes (Disk, Pages, Indexing)
Shubh Patel
Database Fundamentals in 9 Minutes (Disk, Pages, Indexing)
8:30
Distributed Databases – Struggling with System Design? Watch This
Shubh Patel
Distributed Databases – Struggling with System Design? Watch This
5:56
Short Polling vs Long Polling Explained (with Real Examples!) | System Design
Shubh Patel
Short Polling vs Long Polling Explained (with Real Examples!) | System Design
10:11
Load Balancer in System Design Interviews | L4 vs L7 Explained + Load Balancing Algorithms
Shubh Patel
Load Balancer in System Design Interviews | L4 vs L7 Explained + Load Balancing Algorithms
26:42
Min & Max Median Among K-Length Subsequences | Amazon OA May 2025 | DSA Explained
Shubh Patel
Min & Max Median Among K-Length Subsequences | Amazon OA May 2025 | DSA Explained
8:04
Longest Threshold Breaking Subarray | Amazon OA | Stack | Similar to LeetCode 84
Shubh Patel
Longest Threshold Breaking Subarray | Amazon OA | Stack | Similar to LeetCode 84
12:41
Maximize Negative Elements | Amazon OA 2024 | Hard Heap-Based DSA Problem
Shubh Patel
Maximize Negative Elements | Amazon OA 2024 | Hard Heap-Based DSA Problem
15:23
Total Number of Warehouses | Amazon OA 2024 | Easy Math-Based DSA Problem
Shubh Patel
Total Number of Warehouses | Amazon OA 2024 | Easy Math-Based DSA Problem
5:01
Maximize Number of Zeroes | Amazon OA 2024 | Must-Know DSA Problem
Shubh Patel
Maximize Number of Zeroes | Amazon OA 2024 | Must-Know DSA Problem
7:46
Length of Longest Consecutive Ones | Amazon OA DSA Question | Optimized Solution
Shubh Patel
Length of Longest Consecutive Ones | Amazon OA DSA Question | Optimized Solution
17:32
Weighted Sum of Given Range | Atlassian Interview Question | Prefix Sum Variation
Shubh Patel
Weighted Sum of Given Range | Atlassian Interview Question | Prefix Sum Variation
12:46
Count Sweet Water Lakes In Island | Google Interview Prep | DSA Problem Solved
Shubh Patel
Count Sweet Water Lakes In Island | Google Interview Prep | DSA Problem Solved
14:12
Minimum Weighted Subgraph With the Required Paths | Google Phone Screen | Graph & BFS Solution
Shubh Patel
Minimum Weighted Subgraph With the Required Paths | Google Phone Screen | Graph & BFS Solution
12:46
Maximum Sum Among All Rotations | Uber Interview DSA Problem
Shubh Patel
Maximum Sum Among All Rotations | Uber Interview DSA Problem
13:31
Maximum Sum Subarray Variation | Google Interview Question | DSA Problem Solved
Shubh Patel
Maximum Sum Subarray Variation | Google Interview Question | DSA Problem Solved
16:55
Minimum Operations to Make Array Elements Zero | Amazon OA | Jan 2025
Shubh Patel
Minimum Operations to Make Array Elements Zero | Amazon OA | Jan 2025
14:58