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select * from SQL

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

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Using Indexes in MySQL

Using Indexes in MySQL

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Comments 1
4 min read
EXPLAIN from pg_stat_statements normalized queries: how to always get the generic plan in 🐘&🚀

EXPLAIN from pg_stat_statements normalized queries: how to always get the generic plan in 🐘&🚀

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6 min read
How can I avoid multiple deduction from stocks in my SQL db in php while loop?

How can I avoid multiple deduction from stocks in my SQL db in php while loop?

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2 min read
Write SQL Queries With Confidence (TypeScript + Postgres)

Write SQL Queries With Confidence (TypeScript + Postgres)

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3 min read
Apache PySpark for Data Engineering

Apache PySpark for Data Engineering

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9 min read
UNPIVOT to key-value pair in Oracle SQL

UNPIVOT to key-value pair in Oracle SQL

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1 min read
Stuck in SQL query

Stuck in SQL query

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2 min read
MySQL Queries: Basics of MySQL

MySQL Queries: Basics of MySQL

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9 min read
Book summary: SQL Antipatterns

Book summary: SQL Antipatterns

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9 min read
SQL Server Query Optimizer. And how it can hang your business.

SQL Server Query Optimizer. And how it can hang your business.

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8 min read
Expect the unexpected...

Expect the unexpected...

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5 min read
My first CRUD in Python without ORM

My first CRUD in Python without ORM

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4 min read
Read local partition first, then global if not found locally

Read local partition first, then global if not found locally

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7 min read
Django eficiente - select_related

Django eficiente - select_related

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3 min read
how to search jsonb column in Postgresql ( not nested column )

how to search jsonb column in Postgresql ( not nested column )

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1 min read
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