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

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PRAGMA AUTONOMOUS_TRANSACTION in ORACLE PLSQL - Use case

PRAGMA AUTONOMOUS_TRANSACTION in ORACLE PLSQL - Use case

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4 min read
How to build multi-tenancy in PostgreSQL for developing SaaS applications?

How to build multi-tenancy in PostgreSQL for developing SaaS applications?

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4 min read
Aggregation and Grouping

Aggregation and Grouping

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3 min read
Advanced Querying with Joins

Advanced Querying with Joins

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3 min read
Master SQL Interviews: 100 Essential Questions for Senior Developers

Master SQL Interviews: 100 Essential Questions for Senior Developers

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5 min read
Stop Being Afraid of Databases

Stop Being Afraid of Databases

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3 min read
Migrating from MySQL to PostgreSQL Key Query Differences and Considerations

Migrating from MySQL to PostgreSQL Key Query Differences and Considerations

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3 min read
What is SQLite? A Comprehensive Overview

What is SQLite? A Comprehensive Overview

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4 min read
Like IDE for FlinkSQL: Support Pycharm! FlikSQLHelper v2025.1.0 released

Like IDE for FlinkSQL: Support Pycharm! FlikSQLHelper v2025.1.0 released

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1 min read
Basics of Animal Tracking Databases

Basics of Animal Tracking Databases

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4 min read
Using IRIS and Presto for high-performance and scalable SQL queries

Using IRIS and Presto for high-performance and scalable SQL queries

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10 min read
PostgreSQL Synchronized Sequential Scans and LIMIT without an ORDER BY

PostgreSQL Synchronized Sequential Scans and LIMIT without an ORDER BY

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2 min read
From 14TB to 700GB: Optimizing Database Storage for Real-Time Monitoring

From 14TB to 700GB: Optimizing Database Storage for Real-Time Monitoring

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2 min read
Postpone and Prosper: Make your life easier with deferring SQL constraints

Postpone and Prosper: Make your life easier with deferring SQL constraints

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3 min read
Backup Posts Dev.to to SQLite

Backup Posts Dev.to to SQLite

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5 min read
PostgreSQL 15 Compatibility in YugabyteDB 2.25: Top 15 Features!

PostgreSQL 15 Compatibility in YugabyteDB 2.25: Top 15 Features!

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8 min read
esProc SPL, the challenger of SQLite

esProc SPL, the challenger of SQLite

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10 min read
Code analysis with SQL projects

Code analysis with SQL projects

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6 min read
Explaining self-join in SQL

Explaining self-join in SQL

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1 min read
Basic SQL Operations (CRUD)

Basic SQL Operations (CRUD)

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3 min read
Handling Dates and Times in Oracle Database

Handling Dates and Times in Oracle Database

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3 min read
Calculate based on the records within the group and fill the result into the first record:From SQL to SPL #4

Calculate based on the records within the group and fill the result into the first record:From SQL to SPL #4

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3 min read
Uses of Snowflake Schema

Uses of Snowflake Schema

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3 min read
Why Successful Companies Don't Have DBAs

Why Successful Companies Don't Have DBAs

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4 min read
Like IDE for SparkSQL: Support Pycharm! SparkSQLHelper v2025.1.1 released

Like IDE for SparkSQL: Support Pycharm! SparkSQLHelper v2025.1.1 released

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1 min read
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