Tag: Database Sequence

Database Sequences and How to Define Them in Vertabelo

Radu Gheorghiu

Radu works as a full-time data engineer. He loves SQL and anything data-related. In his spare time, he likes to put his data to work by building data pipelines. He even trains machine learning models to predict the best time of the day to drink his coffee. He also enjoys helping others and sharing his knowledge on our blog and Stack Overflow.
All rows in a database need to have a unique identifier. But what if you need to have unique identifiers for all of the rows in all of your tables? We know GUIDs are problematic when indexing, so what other options are there? A database sequence might be a great option.   What Is a Database Sequence? A database sequence is a type of object created in a database that allows developers to generate unique values.

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