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What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)
What are the benefits of creating indexes on PolarDB? (Number of correct answers: 2)
A . Improve the query efficiency SELECT statements.
B . Improve the efficiency of DML operations such as UPDAT
D . Improve the efficiency of DDL operations.
E . Reduce invalid data scanning.
Answer: A,D
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