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PostgreSQL Advanced Architect Tutorial• 6 min read
PostgreSQL Architecture & Identity Columns
Explore PostgreSQL object-relational architecture, schemas, and modern SQL-standard GENERATED ALWAYS AS IDENTITY primary keys.
Why Enterprise Engineers Choose PostgreSQL
PostgreSQL is celebrated for strict SQL compliance, extensibility, and robust handling of complex workloads. Unlike legacy databases that use non-standard SERIAL types, modern PostgreSQL uses standard identity columns.
Creating a Modern PostgreSQL Table
CREATE TABLE accounts (
account_id INT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
email TEXT NOT NULL UNIQUE,
is_active BOOLEAN DEFAULT TRUE,
created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
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Test Yourself With Exercise
What is the modern SQL-standard replacement for the legacy SERIAL primary key type in PostgreSQL 10+?