PostgreSQL Tutorial: UPDATE JOIN
Summary: in this tutorial, you will learn how to use the PostgreSQL UPDATE join syntax to update data in a table based on values in another table.
PostgreSQL Tutorial: Upsert Using INSERT ON CONFLICT statement
Summary: in this tutorial, you will learn how to use PostgreSQL upsert feature to insert or update data if the row that is being inserted already exists in the table.
PostgreSQL Tutorial: WHERE
Summary: in this tutorial, you will learn how to use PostgreSQL WHERE clause to filter rows returned by a SELECT statement.
PostgreSQL view dependencies
Summary: In this article, you will learn how to manage objects with view dependencies in PostgreSQL.
Difference Between GROUP BY and PARTITION BY
Summary: The GROUP BY and PARTITION BY clauses are both used in SQL to group data and calculate aggregate values, then what’s the difference between them?
Access PostgreSQL with ChatGPT
Summary: GPT can write SQL. If we write our question in plain English, and have GPT write the SQL to get the answer, well then we can save a lot of time spent on enterprise process management and data analysis software.
Database Compatibility and Selection Suggestions
Database compatibility is critical to the success of a database product, and it can even make the difference between life and death for a database product. The problem of database compatibility is essentially a problem that software products will have.
PostgreSQL optimizer is good enough
The optimizer is the heart and soul of a relational DBMS. It analyzes SQL statements and determines the most efficient access plan for satisfying each statement. For database optimizers, there have always been many voices among database-related practitioners.