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Page 53 of my articles, tutorials, and thoughts
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SQL: Subtracting 1 day from a timestamp date
# How to Subtract 1 Day from a Timestamp Date in SQL Are you struggling to subtract 1 day from a timestamp date in SQL? 😕 Don't worry, you're not alone! It's a common issue that many developers face. In this blog post, we will address this problem, prov
Fast way to discover the row count of a table in PostgreSQL
# How to Quickly Discover the Row Count of a Table in PostgreSQL :bar_chart: Are you in desperate need of finding the row count of a table in PostgreSQL? :thinking: Don't worry, we've got you covered! In this guide, we'll walk you through a fast and eff
PostgreSQL delete all content
## **Deleting All Content in PostgreSQL Tables: A Complete Guide** 🗑️ If you've found yourself in a situation where you need to delete all the data in your PostgreSQL tables but keep the tables themselves intact, fret not! In this blog post, we'll walk y
PostgreSQL return result set as JSON array?
# PostgreSQL: Returning Result Set as JSON Array Are you looking for a way to have PostgreSQL return the result of a query as a JSON array? 🤔 Let's say you have a table `t` with columns `a` (int) and `b` (text). To get a result similar to `[{ "a":1, "b"
How to get min/max of two integers in Postgres/SQL?
# 🧪 The Problem: Getting the Min/Max of Two Integers in Postgres/SQL So you're wondering how to get the maximum or minimum value of two integers in Postgres/SQL? Maybe you have a specific problem, like subtracting an integer from a column but ensuring th
Find the host name and port using PSQL commands
📝 **Tech Blog Post: Finding Host Name and Port Using PSQL Commands 🚀** Introduction: Hey there tech enthusiasts! Today, we are going to dive into the world of PostgreSQL and explore how to find the host name and port using PSQL commands. 🐘 Common Issu
PostgreSQL ERROR: canceling statement due to conflict with recovery
📢 **PostgreSQL ERROR: canceling statement due to conflict with recovery** Ever encountered the "canceling statement due to conflict with recovery" error in PostgreSQL? Don't worry, you're not alone! This error often occurs when you're querying a PostgreS
postgresql COUNT(DISTINCT ...) very slow
# Understanding the issue: PostgreSQL COUNT(DISTINCT ...) very slow So you're facing a problem with the performance of your PostgreSQL query that uses the `COUNT(DISTINCT ...)` function. The query takes significantly more time compared to a simple `COUNT(
Group query results by month and year in postgresql
# How to Group Query Results by Month and Year in PostgreSQL If you're working with a PostgreSQL database and need to group query results by month and year, you've come to the right place! In this guide, we'll walk you through the process step-by-step and
Are PostgreSQL column names case-sensitive?
# Are PostgreSQL column names case-sensitive? 🗂️🔎 When working with PostgreSQL, you may encounter a question: Are column names case-sensitive? The short answer is - yes, they are! 🤔 **Why does this matter?** Well, it can often lead to confusion and fr