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Question ID 2560

Examine the statements being executed for the first time:
 
Steps followed by a SQL statement during parsing:
1.    Search for a similar statement in the shared pool.
2.    Search for an identical statement in the shared pool.
3.    Search the SQL area of identical statement already in the shared pool.
4.    Proceed through the remaining steps of the parse phase to ensure that the execution plan of the existing statements is applicable to the view statement.
5.    Perform hard parsing.
6.    Share the SQL area of the similar statement already in the shared pool.
Identify the required steps in the correct sequence used by the third query.

Option A

A.    5, 1, 3, 4
 

Option B

B.    2, 4, 3
 

Option C

C.    5, 2, 3, 4
 

Option D

D.    1, 4, 3
 

Option E

E.    Only 5

 

Option F

F.    2, 5

Correct Answer F
Explanation


Question ID 2561

You execute the following query for the first time:
 
Examine the SQL statement processing steps:
1.    The value of the variable SAL is obtained to run the query.
2.    The syntax of the query is checked
3.    A parse tree for the query is generated
4.    Semantics for the query are checked
5.    The required rows are fetched
6.    The SQL is executed to produce the required result.
Which is the correct order of execution of the above query?

 

Option A

A. 1,    2    3,    4,    5,    6
 

Option B

B. 1,    4,    2,    3,    6,    5
 

Option C

C. 2,    4,    1,    3,    6,    5

 

Option D

D. 2,    3,    1,    4,    6,    5

Correct Answer C
Explanation

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