Lesson 2: Structuring Your SQL Library for Scale

• Why ad-hoc SQL always leads to chaos
• What a SQL library actually is — and how it protects you
• The 3-layer structure: base, logic, and reporting
• Naming conventions and documentation must-haves
• How to build once, reuse forever

💬 “Once you lose confidence in your own work, it’s hard to scale anything — because everything becomes fragile.”

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