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

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SQL Learning notes

SQL Learning notes

3
Comments
2 min read
Slow Queries? 10X Query Performance with a Database Index

Slow Queries? 10X Query Performance with a Database Index

5
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5 min read
写给女朋友的 SQL 教程——数据模型

写给女朋友的 SQL 教程——数据模型

2
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1 min read
Reacty Loops : fully web-based music production

Reacty Loops : fully web-based music production

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Comments 2
1 min read
WishList Feature for eCommerce App using Java and Spring Boot

WishList Feature for eCommerce App using Java and Spring Boot

12
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7 min read
Get the current unix timestamp in oracle

Get the current unix timestamp in oracle

7
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1 min read
Implementing months_between() function in BigQuery

Implementing months_between() function in BigQuery

12
Comments 2
6 min read
UUIDs vs Auto-Incrementing Primary Keys in SQL

UUIDs vs Auto-Incrementing Primary Keys in SQL

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Comments 1
7 min read
For relational algebra, there will be better alternatives to SQL (the language)?

For relational algebra, there will be better alternatives to SQL (the language)?

8
Comments 2
1 min read
Reporting in Power BI - Quick Steps

Reporting in Power BI - Quick Steps

3
Comments
1 min read
Taking Ownership of Our Data Pipelines: Analytics Engineering Using dbt

Taking Ownership of Our Data Pipelines: Analytics Engineering Using dbt

7
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14 min read
SQL is 50 Years Old. What Can We Learn From Its Success?

SQL is 50 Years Old. What Can We Learn From Its Success?

5
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11 min read
SQL for Beginners

SQL for Beginners

2
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4 min read
Hacking Ecto: Constructing Ecto Query from Raw SQL

Hacking Ecto: Constructing Ecto Query from Raw SQL

6
Comments
3 min read
Trigger Warning! A Complete Guide to SQL Triggers - Setting up DB Tracking in Postgres

Trigger Warning! A Complete Guide to SQL Triggers - Setting up DB Tracking in Postgres

2
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10 min read
Step by step guide on how to create an Asp.Net Core MVC CRUD, Ef Core code first approach

Step by step guide on how to create an Asp.Net Core MVC CRUD, Ef Core code first approach

24
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8 min read
SQLite findings (on JSON and others)

SQLite findings (on JSON and others)

7
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3 min read
Bulk Update: Active Record Vs. native SQL

Bulk Update: Active Record Vs. native SQL

12
Comments 1
5 min read
How to dump your sql database into a sql file

How to dump your sql database into a sql file

2
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1 min read
Different Types of SQL JOINs

Different Types of SQL JOINs

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Comments 2
2 min read
Get The Most Out of Your Postgres Database with SeeQR

Get The Most Out of Your Postgres Database with SeeQR

2
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4 min read
Window Functions, Visualized - Rankings

Window Functions, Visualized - Rankings

4
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3 min read
Backup Postgres to S3

Backup Postgres to S3

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Comments 6
1 min read
Faster SQL Bulk Inserts With C#

Faster SQL Bulk Inserts With C#

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Comments 2
8 min read
Sort by timestamps (month and year) in PostgreSQL

Sort by timestamps (month and year) in PostgreSQL

7
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1 min read
Assembling a query optimizer with Apache Calcite

Assembling a query optimizer with Apache Calcite

6
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9 min read
How to parse Time in GOLANG work with SQL.

How to parse Time in GOLANG work with SQL.

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Comments 4
2 min read
Window Function Calls in Postgres - a Visual Introduction

Window Function Calls in Postgres - a Visual Introduction

7
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4 min read
Online Laravel migration!

Online Laravel migration!

11
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1 min read
REDIS: NOSQL DBS

REDIS: NOSQL DBS

3
Comments
1 min read
Mastering your SQL commands (Part 2)

Mastering your SQL commands (Part 2)

19
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3 min read
Who has ever integrated SQLITE3 with Django?, in Jupyterlab?

Who has ever integrated SQLITE3 with Django?, in Jupyterlab?

2
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1 min read
The SQL Savant: Outer Joins in SQL

The SQL Savant: Outer Joins in SQL

9
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3 min read
RDBMS Concept

RDBMS Concept

3
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2 min read
SQL Concepts

SQL Concepts

3
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1 min read
Becoming a SQL Guru with Recursive CTEs

Becoming a SQL Guru with Recursive CTEs

5
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5 min read
Linq2DB CRUD Operations

Linq2DB CRUD Operations

11
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2 min read
Mastering your SQL commands (Part 1)

Mastering your SQL commands (Part 1)

31
Comments
4 min read
Postman vs Sqlite3

Postman vs Sqlite3

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Comments 2
1 min read
Working with geospatial data in Postgres.

Working with geospatial data in Postgres.

15
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3 min read
Save Money and Frustration on Amazon using Azure Functions

Save Money and Frustration on Amazon using Azure Functions

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Comments 4
26 min read
EF or Dapper?

EF or Dapper?

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Comments 8
1 min read
Rails N+1 queries and eager loading

Rails N+1 queries and eager loading

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Comments 10
3 min read
SQL & Databases

SQL & Databases

4
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1 min read
SQL Aggregate Product

SQL Aggregate Product

6
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1 min read
Make table and index creation faster in a multi-region CockroachDB environment

Make table and index creation faster in a multi-region CockroachDB environment

12
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2 min read
Django: makemigrations and migrate

Django: makemigrations and migrate

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Comments 2
1 min read
Filtering Data with SQL

Filtering Data with SQL

5
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4 min read
SQL queries I wish I'd known when I started in data. Part 1: the event funnel.

SQL queries I wish I'd known when I started in data. Part 1: the event funnel.

13
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7 min read
5 Reasons to Choose NoSQL Databases

5 Reasons to Choose NoSQL Databases

2
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4 min read
What's a best way to visualize Postgres schema?

What's a best way to visualize Postgres schema?

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1 min read
Go further with Airtable using Postgres Arrays

Go further with Airtable using Postgres Arrays

9
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8 min read
Database Design and the GDPR

Database Design and the GDPR

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Comments 7
3 min read
Azure Datafactory pricing simplified

Azure Datafactory pricing simplified

5
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4 min read
Database Normalizarion

Database Normalizarion

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Comments 1
3 min read
Run PostgreSQL + PGAdmin in pods using podman

Run PostgreSQL + PGAdmin in pods using podman

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Comments 1
3 min read
Use mycli and Learn MariaDB/MySQL comfortably in a terminal!

Use mycli and Learn MariaDB/MySQL comfortably in a terminal!

5
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5 min read
The Future Of Data Science, Data Engineering And Tech: 6 Experts Views On Tech In 2021

The Future Of Data Science, Data Engineering And Tech: 6 Experts Views On Tech In 2021

9
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7 min read
Filter records in a many to many relationship in rails

Filter records in a many to many relationship in rails

9
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2 min read
Weekly Update #004

Weekly Update #004

4
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1 min read
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