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Catalog Column Rules

Students write the data dictionary for a library's checkout dataset (name, type, allowed values, links between columns), then try three ways to check new rows (rules at entry, a cleaning script, a librarian's review) and compare what each catches and misses.

Play style: Data Desk
Module: Data Dictionaries and Validation: Describe each attribute and check data against its types, values and ranges
Grade: Grades 9-12 · Computer Science
Standards: HS-DAT-DC-22 HS-DAT-DC-24
Collection: Data Desk

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