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6. Writing of Triggers, and SQL - correlated and uncorrelated nested queries. 7. Explain the steps involved during query execution? 8. Explain the strategy adopted

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6. Writing of Triggers, and SQL - correlated and uncorrelated nested queries. 7. Explain the steps involved during query execution? 8. Explain the strategy adopted using one-pass algorithm to execute the following binary operations, Assuming R is the bigger relation: a. RS b. RS c. SR

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