[单选]
The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds the highest grade point average (GPA) per semester?（）

A . SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL;
B . SELECT (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL;
C . SELECT MAX (gpa) FROM student _ grades WHERE gpa IS NOT NULL GROUP BY semester_end;
D . SELECT MAX (gpa) GROUP BY semester_end WHERE gpa IS NOT NULL FROM student _ grades;
E . SELECT MAX (gpa) FROM student _ grades GROUP BY semester_end WHERE gpa IS NOT NULL

In one of your online transaction processing （OLTP） applications， most users frequently modify the values， including the key values， of the application tables. Some users generate application reports by using multiple application tables. What is the best table structure that you can use to gain optimal performance？（） heap table。 object table。 external table。 clustered table。 global temporary table。 index-organized table （IOT）。 A large check processing company is quite impressed with the ingestion performance of a VTL. After calculating their nightly backup requirements it was determined that the restore performance of the VTL was significantly less than the backup performance. Which of the following business requirements should the customer revisit to ensure a successful implementation?（） RPO。 RTO。 backup window。 deduplication ratio。 A customer would like to see the components needed to perform an upgrade on their DS5100system and get a list price of the cost. What tool can the storage specialist use to generate thisdocument？（） eConfig。 IBM Blue Horizon。 Standalone Solution Configuration Tool （SSCT）。 Configuration Management Version Control （CMVC）。 A storage specialist discovers that a new customer likes the technical aspects of the IBM SystemStorage DS8000 and they plan to recommend it to their vice president. Which of the following isthe next logical step for the storage specialist?（） give a product presentation to the board 。 meet with the president to discuss total cost of ownership 。 provide a demonstration of the DS8000 to the network and database administrators 。 schedule a meeting with the higher-level executives to discuss budget and leasing optio。课例研究是（）的阶梯。

The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds the highest grade point average (GPA) per semester?（）

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[单选] The STUDENT_GRADES table has these columns: STUDENT_ID NUMBER(12) SEMESTER_END DATE GPA NUMBER(4,3) Which statement finds the highest grade point average (GPA) per semester?（）

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[单选]
The STUDENT_GRADES table has these columns:
STUDENT_ID NUMBER(12)
SEMESTER_END DATE
GPA NUMBER(4,3)
Which statement finds the highest grade point average (GPA) per semester?（）