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Usually, our applications operate with the current state of a domain object. But sometimes, we need to know the entire history of the domain object changes. For example, we want to know how an order ...

In this article, we show how to use three different PostgreSQL techniques to create an Extract/Load/Transform pipeline. All three techniques use native logical replication for the extraction and ...

So far, I've learned and practiced: • SQL command categories (DDL, DML, DQL, DCL, TCL) • Creating and altering databases and tables • Data types and constraints • Inserting and querying data using ...