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Examine the SQL statements that creates ORDERS table:<br /> CREATE TABLE orders<br /> (SER_NO NUMBER UNIQUE,<br /> ORDER_ID NUMBER,<br /> ORDER_DATE DATE NOT NULL<br /> STATUS VARCHARD2(10)<br /> CHECK (status IN (&#39;CREDIT&#39;,&#39;CASH&#39;)),<br /> PROD_ID_NUMBER<br /> REFERENCES PRODUCTS(PRODUCT_ID),<br /> ORD_TOTAL NUMBER,<br /> PRIMARY KEY (order id, order date));<br /> For which columns would an index be automatically created when you execute the aboveSQL statement? ()

A、SER_NO

B、ORDER_ID

C、STATUS

D、PROD_ID

E、ORD_TOTAL

F、Composite index on ORDER_ID and ORDER_DATE

更多“ Examine the SQL statements that creates ORDERS table:<br /> CREATE TABLE orders<br /> (SER_NO NUMBER UNIQUE,<br /> ORDER_ID NUMBER,<br /> ORDER_DATE DATE NOT NULL<br /> STATUS VARCHARD2(10)<br /> CHECK (status IN (&#39;CREDIT&#39;,&#39;CASH&#39;)),<br /> PROD_ID_NUMBER<br /> REFERENCES PRODUCTS(PRODUCT_ID),<br /> ORD_TOTAL NUMBER,<br /> PRIMARY KEY (order id, order date));<br /> For which columns would an index be automatically created when you execute the aboveSQL statement? ()”相关的问题
第1题

A、The tuned plan is not added to the SQL plan baseline.  B、The tuned plan is added to the fixed SQL plan baseline as a fixed plan.  C、The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.  D、The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.  

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第2题

A、The tuned plan is not added to the SQL plan baseline.  B、The tuned plan is added to the fixed SQL plan baseline as a fixed plan.  C、The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.  D、The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.  

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第3题

A、Accept the recommended SQL profile.  B、Collect statistics for the related objects.  C、Run the Access Advisor for the SQL statement.  D、Run the Segment Advisor for recommendations.  

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第4题

A、 The tuned plan is not added to theSQL plan baseline.  B、 The tuned plan is added to the fixed SQL plan baseline as a fixed plan.  C、 The tuned plan is added to the fixed SQL plan baseline as a nonfixed plan.  D、 The tuned plan is added to a new nonfixed SQL plan baseline as a nonfixed plan.  

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第6题

A、An EMP table is created if a table does not exist. Otherwise, if the EMP table is appended with the loaded data.  B、The SQL* Loader data file myfile1.dat has the column names for the EMP table.  C、The SQL* Loader operation fails because no record terminators are specified.  D、Field names should be the first line in the both the SQL* Loader data files.  E、The SQL* Loader operation assumes that the file must be a stream record format file with the normal carriage return string as the record terminator.  

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第9题

A、A. The shrink operation touches every block in the BOOKING table  B、B. The high-water mark (HWM) for the BOOKING table is shifted from its original position  C、C. The progress of the shrink operation is saved in the bitmap blocks of the BOOKING table  D、D. The data manipulation language (DML) triggers on the BOOKING table are executed because the shrink operation is internally handled by the INSERT/DELETE operation  

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第10题

A、The optimizer uses a new plan because none of the plans in the exhibit2 are fixed plans.  B、The optimizer uses the plan in the second row of the exhibit2 because it is an accepted plan.  C、The optimizer uses the plan in the first row of the exhibit2 because it is the latest generated plan.  D、The optimizer uses the plan in the first row of the exhibit2 because OPTIMIZER_MODE was set to FIRST_ROW during its creation.  

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