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Question ID 2593

Which two tasks are performed during the optimization stage of a SQL statement?
 

Option A

A.    Evaluating the expressions and conditions in the query
 

Option B

B.    Checking the syntax and analyzing the semantics of the statement
 

Option C

C.    Separating the clauses of the SQL statement into structures that can be processed
 

Option D

D.    Inspecting the integrity constraints and optimizing the query based on this metadata

 

Option E

E.    Gathering the statistics before creating the execution plan for the statement

Correct Answer D,E
Explanation


Question ID 2594

Which two tasks are performed during the optimization stage of a SQL statement?
 

Option A

A.    Evaluating the expressions and conditions in the query
 

Option B

B.    Checking the syntax and analyzing the semantics of the statement
 

Option C

C.    Separating the clauses of the SQL statement into structures that can be processed
 

Option D

D.    Inspecting the integrity constraints and optimizing the query based on this metadata

 

Option E

E.    Gathering the statistics before creating the execution plan for the statement

Correct Answer D,E
Explanation

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