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

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Criando um Simulador de Banco de Dados em Rust: Parsing, Compilação e Execução de Consultas SQL

Criando um Simulador de Banco de Dados em Rust: Parsing, Compilação e Execução de Consultas SQL

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3 min read
SQL Injection (SQLi) Vulnerabilities in WordPress: Prevention Tips

SQL Injection (SQLi) Vulnerabilities in WordPress: Prevention Tips

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3 min read
SQL 101: Introduction to Structured Query Language

SQL 101: Introduction to Structured Query Language

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3 min read
Database Sharding: Simplifying Data Scalability

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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Intro to SQL using Apache Iceberg and Dremio

Intro to SQL using Apache Iceberg and Dremio

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22 min read
Technical Interview Questions - Part 3 - SQL

Technical Interview Questions - Part 3 - SQL

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5 min read
Layer 4 vs Layer 7 Load Balancer

Layer 4 vs Layer 7 Load Balancer

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4 min read
How to Access Databases using One SQL Statement #eg71

How to Access Databases using One SQL Statement #eg71

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1 min read
Be careful with join type typos

Be careful with join type typos

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VACUUM In Postgres Demystified

VACUUM In Postgres Demystified

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8 min read
Handling Data in SQL: Signed vs. Unsigned Types

Handling Data in SQL: Signed vs. Unsigned Types

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1 min read
Use Transactions When Manually Accessing SQL Databases

Use Transactions When Manually Accessing SQL Databases

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3 min read
My first CLI.

My first CLI.

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3 min read
Create your own Event Scheduling API using Express and Supabase

Create your own Event Scheduling API using Express and Supabase

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8 min read
Troubleshooting PostgreSQL Low Free Memory

Troubleshooting PostgreSQL Low Free Memory

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11 min read
Understanding SQL Subqueries and Common Table Expressions (CTEs)

Understanding SQL Subqueries and Common Table Expressions (CTEs)

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4 min read
Something Would Free Data Scientists from Heavy Coding Work

Something Would Free Data Scientists from Heavy Coding Work

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9 min read
Demystifying SQLMap: A Practical Guide to Web and SQL Injection Testing

Demystifying SQLMap: A Practical Guide to Web and SQL Injection Testing

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2 min read
Understanding Batch SQL Injection: A Real-World Threat to Data Security

Understanding Batch SQL Injection: A Real-World Threat to Data Security

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5 min read
Speeding Up Foreign Key Constraints During Migrations

Speeding Up Foreign Key Constraints During Migrations

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4 min read
How indexes power your database

How indexes power your database

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4 min read
Pagination in raw SQL with OFFSET

Pagination in raw SQL with OFFSET

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5 min read
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