PL/SQL stands for Procedural Language extension of SQL. PL/SQL is a combination of SQL along with the procedural features of programming languages. It was developed by Oracle Corporation in the early ...

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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 ...

This is an SQL-only extension for PostgreSQL that provides uniform functions for generating SQL Data Definition Language (DDL) scripts for objects created in a database. It contains a bunch of SQL ...