How Can We Avoid Embedding UI Logic in SQL Data Access?

SQL Anti-patterns: The Peril of Embedding UI Logic

A frequent mistake in database programming is integrating UI logic directly into the data access layer. This approach creates several significant problems:

Fragility and Maintenance Headaches: Queries that tightly couple the data and UI layers are inherently brittle. Even minor UI changes often necessitate query adjustments, leading to increased maintenance complexity and potential errors.

Reduced Reusability of Stored Procedures: Hardcoding UI logic within queries severely limits the reusability of stored procedures. Their functionality becomes specific to a single UI context, hindering their application in other scenarios.

Recommended Best Practices:

To circumvent these issues, maintain a clear separation between the data access and UI layers. Handle UI-specific logic within the client application itself. Alternatively, employ a data mapper to translate data retrieved from the database into a structure optimized for UI presentation.

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