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Questions and Answers
What is the purpose of translating user queries in query processing?
What is the purpose of translating user queries in query processing?
- To store the queries in a database
- To evaluate the results of the queries
- To optimize the queries for faster execution
- To create a human-readable form of the queries (correct)
What is the primary activity performed in query processing?
What is the primary activity performed in query processing?
- Data retrieval
- Data storage
- Indexing and sorting
- Parsing and translation (correct)
What is created by the parser during the translation process in query processing?
What is created by the parser during the translation process in query processing?
- Parse-tree (correct)
- Query execution plan
- Database schema
- Data dictionary
Which step involves query-optimizing transformations in query processing?
Which step involves query-optimizing transformations in query processing?
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What is the final step in query processing after parsing and optimization?
What is the final step in query processing after parsing and optimization?
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