Database Engineering

9 videos 6 essays

Videos


Datetime vs Timestamp datatype in databases - Which one is better and when?

2514 views 89 likes 2023-02-27

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Understanding Phantom Reads Problem with hands on examples

1346 views 54 likes 2023-02-18

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Understanding Database Isolation Levels with hands-on examples

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Why do databases store data in B+ trees?

4099 views 199 likes 2023-02-07

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What are Embedded Databases?

4745 views 170 likes 2022-03-25

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How does the database guarantee reliability using write-ahead logging?

6878 views 278 likes 2022-03-21

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How do indexes make databases read faster?

11580 views 672 likes 2022-03-16

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How to handle database outages?

4473 views 268 likes 2022-03-14

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5 million + random rows in less than 100 seconds using SQL

2411 views 64 likes 2021-04-10

In this video, we generate 5 million + random rows in less than 100 seconds using just SQL. We mock the data for any tax...

Essays


Designing Taxonomy on a Relational DB

1303 reads 2021-04-18

In this essay, design taxonomy on a SQL-based Relational database by taking Udemy as an example, write SQL queries cover...

Bitcask - A Log-Structured Fast KV Store

574 reads 2020-07-19

Bitcask is a Key-Value store that persists its data in append-only log files and still reaps super-performant read-write...

Midpoint Insertion Strategy in MySQL LRU Cache

466 reads 2020-04-26

The MySQL InnoDB Storage engine uses LRU cache but it suffers from a notorious problem. In this article, we find how by ...

Fast and Efficient Pagination in MongoDB

3898 reads 2017-06-06

MongoDB is a document based data store and hence pagination is one of the most common use case of it. Find out how you c...

Why MongoDB's cursor.skip() is Slow?

2088 reads 2017-06-04

MongoDB's cursor.skip() is very inefficient, why is that? Even though it is slow and inefficient, team MongoDB wants to...

Benchmark Pagination Strategies in MongoDB

3538 reads 2017-06-02

Benchmark results for two pagination approaches for MongoDB....

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