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The wrds skill is designed for quantitative researchers and financial analysts who need to extract high-quality data from Wharton Research Data Services. It enforces a strict 'Iron Law' of query validation, ensuring that users apply essential filters—such as industry format for Compustat or common stock identifiers for CRSP—before execution. By automating the boilerplate for parameterized SQL queries and providing a comprehensive reference for schemas and table names, this skill minimizes data quality errors and prevents common pitfalls like pulling excessive un-filtered rows or using insecure string formatting.
