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

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SQL Joins - Inner Join vs Outer Join

SQL Joins - Inner Join vs Outer Join

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1 min read
Please How can I convert the following object oriented PDO fetch_assoc to MYsqli Format below.

Please How can I convert the following object oriented PDO fetch_assoc to MYsqli Format below.

Reactions 2 Comments
1 min read
Connecting Django to PostgreSQL on Heroku and Perform SQL Command

Connecting Django to PostgreSQL on Heroku and Perform SQL Command

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15 min read
A Guide to Data Analytics with DuckDB

A Guide to Data Analytics with DuckDB

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1 min read
Using Constants in PostgreSQL queries

Using Constants in PostgreSQL queries

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2 min read
Creating Tables and Associations using Ruby/Active Record/Rake

Creating Tables and Associations using Ruby/Active Record/Rake

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5 min read
What are database indexes?

What are database indexes?

Reactions 51 Comments
5 min read
My week three experience as an intern at TaskForce4.0

My week three experience as an intern at TaskForce4.0

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2 min read
MAQL: Powerful Analytical Querying Made Simple

MAQL: Powerful Analytical Querying Made Simple

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3 min read
Relational data models

Relational data models

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2 min read
Data modeling – Table Inheritance

Data modeling – Table Inheritance

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5 min read
Monster Code: An application made with React, Ruby, SQLite, Sinatra and Active Record

Monster Code: An application made with React, Ruby, SQLite, Sinatra and Active Record

Reactions 4 Comments
1 min read
What is the difference between UNION and UNION ALL in SQL?

What is the difference between UNION and UNION ALL in SQL?

Reactions 16 Comments 2
2 min read
SQL Injection Nedir?

SQL Injection Nedir?

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2 min read
What is dbo in SQL Server?

What is dbo in SQL Server?

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2 min read
Latest SQL Interview Question

Latest SQL Interview Question

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1 min read
Aggregate Functions in SQL

Aggregate Functions in SQL

Reactions 23 Comments
6 min read
Handling temporal data in SQL

Handling temporal data in SQL

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6 min read
Introduction to Entity-Relationship model

Introduction to Entity-Relationship model

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3 min read
What’s new with BigQuery ?

What’s new with BigQuery ?

Reactions 5 Comments
5 min read
Deploying .net core, angular and sql server to ubuntu

Deploying .net core, angular and sql server to ubuntu

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6 min read
Query PostgreSQL, or any 🐘-compatible like Amazon Redshift, from YugabyteDB 🚀 thanks to Postgres FDW

Query PostgreSQL, or any 🐘-compatible like Amazon Redshift, from YugabyteDB 🚀 thanks to Postgres FDW

Reactions 8 Comments
5 min read
Distributed SQL Essentials: Sharding and Partitioning in YugabyteDB

Distributed SQL Essentials: Sharding and Partitioning in YugabyteDB

Reactions 3 Comments
8 min read
GOLANG- MSSQL CRUD OPERATIONS

GOLANG- MSSQL CRUD OPERATIONS

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3 min read
A minimal Python Tkinter Parent-Children Data Form

A minimal Python Tkinter Parent-Children Data Form

Reactions 2 Comments 1
3 min read
List of window functions

List of window functions

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9 min read
Elasticsearch for Beginners and SQL Developers

Elasticsearch for Beginners and SQL Developers

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1 min read
Understanding SQL Dialects

Understanding SQL Dialects

Reactions 4 Comments 1
8 min read
Cascade of doom: JIT, and how a Postgres update led to 70% failure on a critical national service

Cascade of doom: JIT, and how a Postgres update led to 70% failure on a critical national service

Reactions 97 Comments 29
14 min read
Environmental coder

Environmental coder

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1 min read
SQL: How to consult the database.

SQL: How to consult the database.

Reactions 5 Comments
2 min read
DELETE on SQL

DELETE on SQL

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1 min read
ORDER BY is mandatory in SQL to get a sorted result

ORDER BY is mandatory in SQL to get a sorted result

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6 min read
Window Functions in SQL: Part 1

Window Functions in SQL: Part 1

Reactions 7 Comments
4 min read
Enable query tagging with Sqlcommenter to understand application impact on database performance

Enable query tagging with Sqlcommenter to understand application impact on database performance

Reactions 5 Comments
4 min read
Data Access in F#

Data Access in F#

Reactions 22 Comments 4
12 min read
Update WordPress URL easily using MySQL

Update WordPress URL easily using MySQL

Reactions 8 Comments 3
3 min read
Learn Materialize by running streaming SQL on your nginx logs

Learn Materialize by running streaming SQL on your nginx logs

Reactions 24 Comments
7 min read
Filtering SQL Left Outer Join Queries

Filtering SQL Left Outer Join Queries

Reactions 4 Comments
3 min read
What is the difference between JOIN and INNER JOIN in SQL?

What is the difference between JOIN and INNER JOIN in SQL?

Reactions 39 Comments 6
3 min read
HOW CAN I LIMIT THE MAXIMUM FILE UPLOAD LIMIT PER USER IN PHP.

HOW CAN I LIMIT THE MAXIMUM FILE UPLOAD LIMIT PER USER IN PHP.

Reactions 3 Comments 5
1 min read
The Important SQL Queries for Beginners

The Important SQL Queries for Beginners

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8 min read
Can't unfollow sql tag.

Can't unfollow sql tag.

Reactions 2 Comments 2
1 min read
Learn SQL: Microsoft SQL Server - Episode 11: Extracting data from Strings

Learn SQL: Microsoft SQL Server - Episode 11: Extracting data from Strings

Reactions 13 Comments
3 min read
Learn SQL: Microsoft SQL Server - Episode 10: Joining Multiple Columns and Strings

Learn SQL: Microsoft SQL Server - Episode 10: Joining Multiple Columns and Strings

Reactions 10 Comments
2 min read
Fundamentals of SQL Window function

Fundamentals of SQL Window function

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7 min read
Learn SQL: Microsoft SQL Server - Episode 9: Aggregation in Where Clause

Learn SQL: Microsoft SQL Server - Episode 9: Aggregation in Where Clause

Reactions 6 Comments
3 min read
Build a Chatbot with PHP, MySQL and AJAX in 10 minutes

Build a Chatbot with PHP, MySQL and AJAX in 10 minutes

Reactions 15 Comments 1
6 min read
🚀 Think about Primary Key & Indexes before anything else 🐘

🚀 Think about Primary Key & Indexes before anything else 🐘

Reactions 52 Comments
8 min read
How to Add a Default Value to an Existing Column in MySQL

How to Add a Default Value to an Existing Column in MySQL

Reactions 15 Comments
2 min read
How to Drop Multiple Databases in PostgreSQL

How to Drop Multiple Databases in PostgreSQL

Reactions 5 Comments
5 min read
Learn SQL: Microsoft SQL Server - Episode 8: NULL values in Aggregation

Learn SQL: Microsoft SQL Server - Episode 8: NULL values in Aggregation

Reactions 4 Comments
3 min read
Improving Backend Performance, Part 3/3: Fast Analytics

Improving Backend Performance, Part 3/3: Fast Analytics

Reactions 4 Comments
4 min read
Improving Backend Performance Part 2/3: Using Database Indexes

Improving Backend Performance Part 2/3: Using Database Indexes

Reactions 4 Comments
4 min read
DBMS Student table

DBMS Student table

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2 min read
🆕 SQL Server 2022 First Look - Top 5 New Features (Bonus 5 Features)

🆕 SQL Server 2022 First Look - Top 5 New Features (Bonus 5 Features)

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3 min read
Learn SQL: Microsoft SQL Server - Episode 7: Aggregate data with SUM and AVG

Learn SQL: Microsoft SQL Server - Episode 7: Aggregate data with SUM and AVG

Reactions 6 Comments
3 min read
Learning The Structure Query Language (SQL)

Learning The Structure Query Language (SQL)

Reactions 8 Comments
12 min read
Database Management Systems 1

Database Management Systems 1

Reactions 9 Comments
2 min read
SQL Basics for Beginners

SQL Basics for Beginners

Reactions 96 Comments 4
3 min read
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