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Posts on tips and tricks, using and learning about SQL for database development and analysis.

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Using ON DUPLICATE KEY UPDATE and NOT EXISTS in MySQL

Using ON DUPLICATE KEY UPDATE and NOT EXISTS in MySQL

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1 min read
My Data Analyst Interview Journey and What I Learned

My Data Analyst Interview Journey and What I Learned

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4 min read
What else can Stream&Kotlin evolve into?

What else can Stream&Kotlin evolve into?

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6 min read
Technical Interview Questions - Part 4 - Git + SQL vs noSQL

Technical Interview Questions - Part 4 - Git + SQL vs noSQL

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3 min read
SQL Server Execution Plans

SQL Server Execution Plans

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5 min read
Entendo a ordem de execução de uma query SQL

Entendo a ordem de execução de uma query SQL

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2 min read
On-Demand Refresh | Materialized Views (Mviews) in ORACLE SQL

On-Demand Refresh | Materialized Views (Mviews) in ORACLE SQL

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3 min read
Postgres can do that? No surprise Postgres is everywhere
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Postgres can do that? No surprise Postgres is everywhere

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9 min read
UUID 🪪 or Auto Increment Integer / Serial ⚙️ as the Database Primary Key?
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UUID 🪪 or Auto Increment Integer / Serial ⚙️ as the Database Primary Key?

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3 min read
SQL Leetcode Questions

SQL Leetcode Questions

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3 min read
Concurrency Issues in SQL and Distributed Systems
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Concurrency Issues in SQL and Distributed Systems

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25 min read
Database Sharding: Simplifying Data Scalability
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Database Sharding: Simplifying Data Scalability

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7 min read
Top 5 SQL questions asked in interviews

Top 5 SQL questions asked in interviews

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4 min read
Dynamic SQL in PL/SQL

Dynamic SQL in PL/SQL

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2 min read
CPU SIMULATOR

CPU SIMULATOR

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1 min read
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