CREATE TABLE paises ( id SERIAL PRIMARY KEY, nombre VARCHAR(100) NOT NULL UNIQUE, codigo_iso CHAR(2) UNIQUE ); COMMENT ON TABLE paises IS 'Catálogo global de países.'; CREATE TABLE ciudades ( id ...
A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
Your browser does not support the audio element. Hey there, fellow developers! If you've ever dabbled in SQL, you've probably heard the golden rule: "Never use ...
Oracle Database 23ai is the next long-term support release and offers over 300 new features. Originally named Oracle Database 23i, it was rebranded to Oracle Database 23ai with a heavy focus on ...
Ask the publishers to restore access to 500,000+ books. An icon used to represent a menu that can be toggled by interacting with this icon. A line drawing of the Internet Archive headquarters building ...
This is a continuation of a series of articles in which I briefly cover the main points of a specific topic in system architecture design. The previous article can be read here, and the complete guide ...
A monthly overview of things you need to know as an architect or aspiring architect. Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with ...
# Save Settings of Unique check, Foreign Kex check and the current sql mode. # Then deactivate the checks and set sql mode to 'NO_AUTO_VALUE_ON_ZERO' `registration_status` varchar(255) NOT NULL ...
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