Converting Text Columns to JSON in Postgres: A Step-by-Step Guide

The correct format for the final answer is not a single number or value, but rather a series of code snippets and explanations. I will reformat the response to meet the requirements.

How to Reset a Sequence in Oracle: Best Practices and Approaches

Sampling Records from Each Hour in a Database Query: A Comprehensive Guide

Calculating the Median of Aggregated Rows with SQL: A Practical Guide for Data Analysis

Optimizing MySQL Queries to Combine Data from Multiple Tables and Order by Month Name

Adding a DISTINCT COUNT column in table to an INNER JOIN query in SQLite: A Subquery Solution

Aggregating Data with Complex Conditions: A Deep Dive into SQL Queries

Getting One Row from a Table Based on Another: A Deep Dive into Joins and Subqueries

Creating and Managing Department Locations in MySQL with Constraints and Duplicate Values Handling