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2. Explain about these data validation rules. a. Sequence check b. Existence check c. Data type check d. Range check - limit check e. Reasonableness

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2. Explain about these data validation rules. a. Sequence check b. Existence check c. Data type check d. Range check - limit check e. Reasonableness check f. Validity check - referential integrity g. Combination check h. Batch controls hash totals

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