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多选题
What two statements are true regarding the recommendations received from the SQL Access Advisor?（）(Choose two.)
A
It cannot generate recommendations that support multiple workload queries.
B
It can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.
C
It can recommend partitioning only on tables that have at least 10,000 rows.
D
It can recommend only B-tree indexes and not bitmap or function-based indexes
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多选题What two statements are true regarding the recommendations received from the SQL Access Advisor?（）(Choose two.)AIt cannot generate recommendations that support multiple workload queries.BIt can recommend partitioning on tables provided that the workloads have some predicates and joins on the columns of the NUMBER or DATE type.CIt can recommend partitioning only on tables that have at least 10,000 rows.DIt can recommend only B-tree indexes and not bitmap or function-based indexes
考题
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单选题Evaluate these two SQL statements: What is true about them?（）A
The two statements produce identical results.B
The second statement returns a syntax error.C
There is no need to specify DESC because the results are sorted in descending order by default.D
The two statements can be made to produce identical results by adding a column alias for the salary column in the second SQL statement.
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