Automating Database Cleanup for PostgreSQL Using Python
This article shows a technique for cleaning out older data from PostgreSQL tables using Python to follow a set of rules you create.
2026-01-30
804 reads
This article shows a technique for cleaning out older data from PostgreSQL tables using Python to follow a set of rules you create.
2026-01-30
804 reads
We have a script that can be used to help tune ind...
2026-01-21
1,270 reads
This article discusses how to work with JSON data in PostgreSQL using Python.
2025-12-12
608 reads
Learn how you can create a logging module in Python that can be used to insert real-time records in a PostgreSQL database and display them on a dashboard.
2025-11-12
1,760 reads
This article shows how to use Python to create a REST API for your application that developers can use to access the database.
2025-10-17
5,597 reads
Overview MongoDB is a popular NoSQL database used for building modern, scalable applications. In this article, we’ll cover how to set up MongoDB on Windows and connect to it using Node.js. We will also perform some basic Create, Read, Update, and Delete (CRUD) operations to ensure we understand fully on how Node.js can be made […]
2025-09-02 (first published: 2025-08-08)
181 reads
Learn how to connect to a PostgreSQL database from Python with this popular library.
2025-09-02 (first published: 2025-08-25)
2,076 reads
Overview In SQL Server, indexing is a technique used to improve the performance of queries by reducing the amount of data that SQL Server needs to scan. You can think of it like a table of contents in a book—it helps SQL Server find data more quickly. In this article, we will cover the following […]
2025-09-02 (first published: 2025-08-07)
4,585 reads
2025-07-30
1,806 reads
Overview In this article, we will understand how we can connect to PostgreSQL using Node.js application. We will start with setting up PostgreSQL in our local system and perform basic CRUD operations to interact with the PostgreSQL database. Prerequisites To start with this, we need the following conditions to be met: Windows machine (or any […]
2025-07-24
1,308 reads
By Vinay Thakur
Continuing from Day 3 where we covered LLM models open/closed and their parameters, Today...
By Steve Jones
One of the nice things about Flyway Desktop is that it helps you manage...
By HeyMo0sh
Microsoft Fabric (not to be confused with the more general term “fabric” in DevOps)...
I'm fairly certain I know the answer to this from digging into it yesterday,...
Hi Team, I am trying to refresh the Azure Synapse Dedicated pool from production...
hi everyone I am not sure how to write the query that will produce...
I have some data in a table:
CREATE TABLE #test_data
(
id INT PRIMARY KEY,
name VARCHAR(100),
birth_date DATE
);
-- Step 2: Insert rows
INSERT INTO #test_data
VALUES
(1, 'Olivia', '2025-01-05'),
(2, 'Emma', '2025-03-02'),
(3, 'Liam', '2025-11-15'),
(4, 'Noah', '2025-12-22');
If I run this query, how many rows are returned?
SELECT *
FROM OPENJSON(
(
SELECT t.* FROM #test_data AS t FOR JSON PATH
)
) t; See possible answers