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Database sequence

As explained in AI-Powered Developer: Build software with ChatGPT and Copilot

A database sequence is a database object that generates an ordered series of numeric values, commonly for identifiers.

A database sequence generates an ordered series of numeric values for a table key. It can automate identifiers while you build and populate related tables with an AI coding assistant. section 5.1

Primary key for a reference table

For depreciation_strategy, create depreciation_strategy_seq with start 1 and increment 1, then set the id column’s default to nextval('itam.depreciation_strategy_seq'::regclass). Repeat the pattern for funding_details and assets, reviewing generated SQL before applying it.

How AI-Powered Developer: Build software with ChatGPT and Copilot covers it

How deep it goes
Defines start and increment settings, then shows default-value association; it stops short of deeper sequence internals.
Examples
Uses depreciation_strategy, funding_details, and assets tables with sequence-backed integer identifiers.
What it assumes
Assumes familiarity with tables, primary keys, SQL, and PostgreSQL while demonstrating the sequence association command.
What you can do after
Operate/configure PostgreSQL sequences and attach them to table primary-key defaults after reviewing generated SQL.
How it connects
Connects sequences to primary keys, tables, foreign keys, and PostgreSQL schema design.
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This explainer was generated by Manning's knowledge graph from the text of AI-Powered Developer: Build software with ChatGPT and Copilot. The section links point to the parts of the book it draws on.