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

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Uncovering Hidden Gems: PostgreSQL Window Functions You May Not Know About

Uncovering Hidden Gems: PostgreSQL Window Functions You May Not Know About

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2 min read
SQL JOIN explained

SQL JOIN explained

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13 min read
Polars for Analytics an Introduction

Polars for Analytics an Introduction

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3 min read
Deploy SQL Server on Amazon RDS: A Step-by-Step Guide

Deploy SQL Server on Amazon RDS: A Step-by-Step Guide

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6 min read
YugabyteDB column-level locking for UPDATE

YugabyteDB column-level locking for UPDATE

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2 min read
A Tutorial on SQL Window Functions.

A Tutorial on SQL Window Functions.

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15 min read
Getting Started With SQL

Getting Started With SQL

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4 min read
Record Insert with Relational Validation in One SQL Statement

Record Insert with Relational Validation in One SQL Statement

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7 min read
Retype a column in YugabyteDB (and PostgreSQL)

Retype a column in YugabyteDB (and PostgreSQL)

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5 min read
Optimizing Database Performance: Exploring Indexing Techniques in DBMS

Optimizing Database Performance: Exploring Indexing Techniques in DBMS

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16 min read
How to choose the right streaming database

How to choose the right streaming database

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7 min read
How to limit the number of connections per DB in the PostgreSQL?

How to limit the number of connections per DB in the PostgreSQL?

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1 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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6 min read
Essential SQL Commands For Data Science

Essential SQL Commands For Data Science

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3 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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6 min read
Free AWS BootCamp WEEK 4 PART 2: PostgreSQL Databases in AWS

Free AWS BootCamp WEEK 4 PART 2: PostgreSQL Databases in AWS

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7 min read
PostgreSQL SELECT STATEMENT.

PostgreSQL SELECT STATEMENT.

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1 min read
View Generated Queries From EF Core

View Generated Queries From EF Core

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3 min read
Scalable sequences in PostgreSQL / YugabyteDB

Scalable sequences in PostgreSQL / YugabyteDB

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3 min read
Columns to Rows in Oracle SQL

Columns to Rows in Oracle SQL

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4 min read
Free AWS BootCamp WEEK 4: SQL Databases

Free AWS BootCamp WEEK 4: SQL Databases

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5 min read
Useful SQL Commands

Useful SQL Commands

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4 min read
Sum ActiveStorage::Blob byte_size

Sum ActiveStorage::Blob byte_size

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1 min read
Essential SQL Commands for Data Science Tasks

Essential SQL Commands for Data Science Tasks

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7 min read
Granting Access to Read-Only Users and Refreshing Permissions Automatically: A Function-Based Solution

Granting Access to Read-Only Users and Refreshing Permissions Automatically: A Function-Based Solution

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3 min read
SQL Concepts

SQL Concepts

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8 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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4 min read
Mastering PostgreSQL Views and CTEs for Rails Developers: A Comprehensive Guide

Mastering PostgreSQL Views and CTEs for Rails Developers: A Comprehensive Guide

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5 min read
Code a bus schedule CLI with Node.js and Python [ + Sqlite3 ]

Code a bus schedule CLI with Node.js and Python [ + Sqlite3 ]

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4 min read
Don't Break the Bank on SQL Queries: BigQuery On-Demand vs Flat-Rate prices. Which Saves You More? 💰😎

Don't Break the Bank on SQL Queries: BigQuery On-Demand vs Flat-Rate prices. Which Saves You More? 💰😎

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5 min read
Essential SQL Commands For Data Science

Essential SQL Commands For Data Science

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8 min read
GPT Query: the AI tool that can write SQL queries for you

GPT Query: the AI tool that can write SQL queries for you

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3 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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9 min read
HackerRank SQL Basic Select

HackerRank SQL Basic Select

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3 min read
PostgreSQL parameter log_statement

PostgreSQL parameter log_statement

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4 min read
Learnings from a slow query analysis in PostgreSQL

Learnings from a slow query analysis in PostgreSQL

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5 min read
SQLite type system is the wooorst

SQLite type system is the wooorst

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4 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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3 min read
PostgreSQL parameter log_min_duration_statement

PostgreSQL parameter log_min_duration_statement

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2 min read
PostgreSQL parameter statement_timeout

PostgreSQL parameter statement_timeout

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2 min read
Google Analytics 4 (GA4) - querying raw data with SQL

Google Analytics 4 (GA4) - querying raw data with SQL

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3 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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3 min read
Using Multiple EF Core DbContexts In a Single Application

Using Multiple EF Core DbContexts In a Single Application

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4 min read
SQL: The Language of Relational Databases

SQL: The Language of Relational Databases

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2 min read
sqlite / sqlx + async

sqlite / sqlx + async

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2 min read
INTRODUCTION TO SQL FOR DATA ANALYSIS

INTRODUCTION TO SQL FOR DATA ANALYSIS

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4 min read
SQL Basics: An Introduction to Structured Query Language

SQL Basics: An Introduction to Structured Query Language

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8 min read
How to Transform SQL Queries to Crosstabs in PostgreSQL

How to Transform SQL Queries to Crosstabs in PostgreSQL

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6 min read
Improving Prisma raw queries typing.

Improving Prisma raw queries typing.

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3 min read
Four Pitfalls of SQL Processing with Null Values

Four Pitfalls of SQL Processing with Null Values

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7 min read
Distributed SQL Databases

Distributed SQL Databases

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3 min read
Essential SQL Commands for Data Science

Essential SQL Commands for Data Science

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2 min read
Data Business Logic In Java: jOOQ VS SPL

Data Business Logic In Java: jOOQ VS SPL

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4 min read
Interactive SQL Examples in JavaScript

Interactive SQL Examples in JavaScript

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3 min read
Practicing String Manipulation in SQL

Practicing String Manipulation in SQL

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7 min read
Disable SQLModel foreign key constraint

Disable SQLModel foreign key constraint

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1 min read
A Practical Guide to SQL Dates with DuckDB.

A Practical Guide to SQL Dates with DuckDB.

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9 min read
ShortId Factory

ShortId Factory

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1 min read
Arel and Ruby on Rails

Arel and Ruby on Rails

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3 min read
Embed hard-coded SQL into binaries for a cleaner look!

Embed hard-coded SQL into binaries for a cleaner look!

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3 min read
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