LightNews
vladmihalcea.bsky.social
Vlad Mihalcea
@vladmihalcea.bsky.social
580 followers 43 following 600 posts
@Java Champion working on Hypersistence Optimizer, author of High-Performance Java Persistence. Blogging at http://vladmihalcea.com
vladmihalcea.com
Posts Media Videos Starter Packs
Pinned
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Mar 30
The best way to use the Spring Transactional annotation

vladmihalcea.com/spring-trans...
2 7
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 28d
How does MVCC (Multi-Version Concurrency Control) work

vladmihalcea.com/how-does-mvc...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 28d
💻 I'm now working on the demo and slides for my DevTalks presentation.

⚡ If you have never worked with Blaze Persistence from the amazing Christian Beikov, then prepare yourself to be amazed!
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 28d
How does the 2PL (Two-Phase Locking) algorithm work

vladmihalcea.com/2pl-two-phas...
2
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 29d
A beginner’s guide to ACID and database transactions

vladmihalcea.com/a-beginners-...
2
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 29d
🐘 With thousands of extensions available, PostgreSQL is like the WordPress of the database world.

gist.github.com/joelonsql/e5...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · 29d
The maximum number of database connections

vladmihalcea.com/maximum-data...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 16
A beginner’s guide to database deadlock

vladmihalcea.com/database-dea...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 16
Optimistic vs. Pessimistic Locking

vladmihalcea.com/optimistic-v...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 15
The race condition that led to Flexcoin bankruptcy

vladmihalcea.com/race-conditi...
1 3
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 15
As a software engineer, it's very important to learn about Gall’s Law, which states that complex systems cannot be created successfully from scratch.

In reality, even large systems, such as Netflix, Google, or Facebook, have started small and built incrementally over the course of decades.
5
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 15
How to index JSON columns using MySQL

vladmihalcea.com/index-json-c...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 14
A beginner’s guide to SQL injection and how you should prevent it

vladmihalcea.com/a-beginners-...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 14
How to get a JSON property value using PostgreSQL

vladmihalcea.com/json-propert...
2
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 12
How to map a JSON object to a relational database table using MySQL JSON_TABLE

vladmihalcea.com/mysql-json-t...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 12
How to fetch multiple to-many relationships with jOOQ MULTISET

vladmihalcea.com/fetch-multip...
2 4
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 11
SQL Seek Method or Keyset Pagination

vladmihalcea.com/sql-seek-key...
1 2
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 11
MySQL rewriteBatchedStatements configuration property

vladmihalcea.com/mysql-rewrit...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 10
How to limit the SQL query result set to Top-N rows only

vladmihalcea.com/sql-query-li...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 10
PostgreSQL reWriteBatchedInserts configuration property

vladmihalcea.com/postgresql-m...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 9
Pagination best practices

vladmihalcea.com/pagination-b...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 9
AI is a great candidate for TED talks because:

- It started as an underdog, with everyone dismissing and making fun of it prior to 2023
- It has studied hard and keeps on learning new things daily
- It became successful and now has billions of customers

I see a great motivational speech here!
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 9
Why you should set sendStringParametersAsUnicode to false with SQL Server

vladmihalcea.com/sql-server-j...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 8
Answer: Non-Repeatable Read vs Phantom Read

stackoverflow.com/a/51123574/1...
1
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 8
SQL Server useBulkCopyForBatchInsert configuration property

vladmihalcea.com/sql-server-u...
vladmihalcea.bsky.social
Vlad Mihalcea @vladmihalcea.bsky.social · Sep 8
How does a Clustered Index work

vladmihalcea.com/clustered-in...
1