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

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The Easy Way to Find Customers Likely to Churn

The Easy Way to Find Customers Likely to Churn

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Comments
4 min read
Important TIPs for SQL Database Design

Important TIPs for SQL Database Design

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Comments 2
7 min read
Practical Azure SQL Database for Modern Developers

Practical Azure SQL Database for Modern Developers

14
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4 min read
How to Measure Cohort Retention using BigQuery

How to Measure Cohort Retention using BigQuery

9
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5 min read
Postgres concat_ws() function

Postgres concat_ws() function

1
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1 min read
[PT-BR] Join SQL, quando usar?

[PT-BR] Join SQL, quando usar?

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Comments 12
2 min read
SQL Tips & Tricks: Counting Rows

SQL Tips & Tricks: Counting Rows

5
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5 min read
Machete MySQL(Cheatsheet) level 1

Machete MySQL(Cheatsheet) level 1

5
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3 min read
Reading a datetime with miliseconds into an Oracle DATE

Reading a datetime with miliseconds into an Oracle DATE

6
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2 min read
MySQL Commands You Need To Know To Create A New User

MySQL Commands You Need To Know To Create A New User

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2 min read
SQL Practice Problem to Help You Pass Your Interview

SQL Practice Problem to Help You Pass Your Interview

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3 min read
Switching the offset for a UTC date in SQL Server

Switching the offset for a UTC date in SQL Server

2
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2 min read
Reports performance improvement

Reports performance improvement

7
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1 min read
First impressions of PopSQL’s collaborative SQL editor

First impressions of PopSQL’s collaborative SQL editor

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4 min read
Getting to know SQL Server Extended Events

Getting to know SQL Server Extended Events

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7 min read
Code-First ORM For Go: GORM

Code-First ORM For Go: GORM

9
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3 min read
Distributed SQL Tips and Tricks – Aug 17, 2020

Distributed SQL Tips and Tricks – Aug 17, 2020

2
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4 min read
SQL Cheatsheet - Most Common Commands

SQL Cheatsheet - Most Common Commands

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13 min read
How to ace coding interviews. The ultimate guide.

How to ace coding interviews. The ultimate guide.

80
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14 min read
Don't ever use LIMIT again!!!

Don't ever use LIMIT again!!!

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Comments 1
5 min read
Convince me to use SQL

Convince me to use SQL

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Comments 17
1 min read
Alembic: setting a column to nullable=False if it already has data in it

Alembic: setting a column to nullable=False if it already has data in it

6
Comments 1
2 min read
Doing the Impossible, using ASSISTANT to make a SQL Linter (and how you can make it lint whatever you want)

Doing the Impossible, using ASSISTANT to make a SQL Linter (and how you can make it lint whatever you want)

48
Comments 1
7 min read
Azure SQL for Beginners - Video Playlist

Azure SQL for Beginners - Video Playlist

28
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1 min read
SQL Server Profiler, underused and undervalued

SQL Server Profiler, underused and undervalued

8
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5 min read
Why SQLite is simple to use!

Why SQLite is simple to use!

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2 min read
DataGrip: Exporting Data as SQL Batch Inserts (and more)

DataGrip: Exporting Data as SQL Batch Inserts (and more)

5
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2 min read
Version Control for Distributed SQL Databases with Flyway

Version Control for Distributed SQL Databases with Flyway

3
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6 min read
Should I Take the Data Engineer Nano Degree?

Should I Take the Data Engineer Nano Degree?

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3 min read
Django Same data objects get created every time!

Django Same data objects get created every time!

3
Comments 1
2 min read
4 SQL Tips For Data Scientists And Data Analysts

4 SQL Tips For Data Scientists And Data Analysts

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7 min read
Banco de dados relacional - Introdução

Banco de dados relacional - Introdução

8
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3 min read
Hidden Gems: Event-Driven Change Notifications in Relational Databases

Hidden Gems: Event-Driven Change Notifications in Relational Databases

6
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10 min read
A Case Study of Date and Time

A Case Study of Date and Time

3
Comments 1
6 min read
High Performance Database Access with EF Core

High Performance Database Access with EF Core

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1 min read
WSFC + SQL AlwaysOn no AZURE sem Active Directory [#3]

WSFC + SQL AlwaysOn no AZURE sem Active Directory [#3]

3
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9 min read
WSFC + SQL AlwaysOn no AZURE sem Active Directory [#1]

WSFC + SQL AlwaysOn no AZURE sem Active Directory [#1]

4
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6 min read
Sqlmancer - translate GraphQL queries into SQL statements

Sqlmancer - translate GraphQL queries into SQL statements

20
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3 min read
Keep your Code and Database in Sync

Keep your Code and Database in Sync

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Comments 1
1 min read
PostgreSQL Connection Pooling: Part 4 – PgBouncer vs. Pgpool-II

PostgreSQL Connection Pooling: Part 4 – PgBouncer vs. Pgpool-II

6
Comments 1
13 min read
Database design

Database design

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Comments 3
4 min read
Codecadmey Data Science Course Part IV

Codecadmey Data Science Course Part IV

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Comments 2
6 min read
How to Install Oracle SQL Developer on Ubuntu 20.04

How to Install Oracle SQL Developer on Ubuntu 20.04

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4 min read
Python JDBC connection into IRIS database - a quick note

Python JDBC connection into IRIS database - a quick note

4
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9 min read
Qué son las bases de datos orientadas a grafos y para qué se usan

Qué son las bases de datos orientadas a grafos y para qué se usan

8
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4 min read
Free Text Search: The Way To Search Your Text Fields That SQL Developers Are Hiding From You!*

Free Text Search: The Way To Search Your Text Fields That SQL Developers Are Hiding From You!*

3
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4 min read
Codecademy Data Science Course Part III

Codecademy Data Science Course Part III

3
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2 min read
Flask Login-Register-Logout Implementation

Flask Login-Register-Logout Implementation

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7 min read
Passed the test, next class that covers Psudo Programing [WGU basics]

Passed the test, next class that covers Psudo Programing [WGU basics]

2
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1 min read
Codecademy Data Science Course Part II

Codecademy Data Science Course Part II

3
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3 min read
Codecademy Data Science Course Part I

Codecademy Data Science Course Part I

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2 min read
Dica Rápida: Paginando no MSSQL considerando escala

Dica Rápida: Paginando no MSSQL considerando escala

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2 min read
Azure Data Studio Custom Theme

Azure Data Studio Custom Theme

5
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3 min read
Dica rápida: Paginando no MSSQL com Offset e Fetch

Dica rápida: Paginando no MSSQL com Offset e Fetch

8
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2 min read
Master your Database using C# with EF Core 5.0

Master your Database using C# with EF Core 5.0

40
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1 min read
What is a relational database and relational database management system?

What is a relational database and relational database management system?

32
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2 min read
Databases and MySQL

Databases and MySQL

7
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4 min read
MySQL Tutorial: the beginner's guide to using MySQL

MySQL Tutorial: the beginner's guide to using MySQL

25
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12 min read
SQL Knowledge 101

SQL Knowledge 101

5
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4 min read
Advanced SQLAlchemy Features You Need To Start Using

Advanced SQLAlchemy Features You Need To Start Using

25
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10 min read
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