Server 2019 Developer Edition [better] - Sql

IF EXISTS (SELECT 1 FROM Users WHERE Email = @Email) BEGIN RAISERROR('Email already exists', 16, 1); RETURN; END

-- Insert sample data INSERT INTO Users (Username, Email) VALUES ('john_doe', 'john@example.com'), ('jane_smith', 'jane@example.com'), ('bob_wilson', 'bob@example.com'); GO sql server 2019 developer edition

This saves memory by not caching execution plans for queries that run only once. IF EXISTS (SELECT 1 FROM Users WHERE Email