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Examine the SQL statements that creates ORDERS table: CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL STATUS VARCHARD2(10) CHECK (status IN ('CREDIT','CASH')), PROD_ID_NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order id, order date)); 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
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更多 “ Examine the SQL statements that creates ORDERS table: CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL STATUS VARCHARD2(10) CHECK (status IN ('CREDIT','CASH')), PROD_ID_NUMBER REFERENCES PRODUCTS(PRODUCT_ID), ORD_TOTAL NUMBER, PRIMARY KEY (order id, order date)); For which columns would an index be automatically created when you execute the aboveSQL statement? （）A、SER_NOB、ORDER_IDC、STATUSD、PROD_IDE、ORD_TOTALF、Composite index on ORDER_ID and ORDER_DATE” 相关考题
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Which component does the SQL Tuning Advisor NOT analyze for the SQL statements？（） A、ADDMB、AWRC、Cursor CacheD、SQL Tuning SetsE、Flash Recovery Area
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Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）A、The constraint remains valid.B、The index on the constraint is dropped.C、It allows the loading of data into the table using SQL*Loader.D、New data conforms to the constraint， but existing data is not checkedE、It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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单选题Which statement is true when you run the SQL Tuning Advisor with limited scope？（）A
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多选题Examine the following statement that is used to modify the primary key constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements aretrue regarding the above command（）AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL *Loader.DNew data conforms to the constraint， but existing data is not checked.EIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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单选题Which of these appropriately describes the results of a manual SQL Tuning Advisor task?（）A
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多选题Examine the following statement that is used to modify the constraint on the SALES table： SQL ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE； Which three statements are true regarding the above command（）AThe constraint remains valid.BThe index on the constraint is dropped.CIt allows the loading of data into the table using SQL*Loader.DNew data conforms to the constraint， but existing data is not checkedEIt allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
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单选题Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework? （）A
SQL statements that are part of the AWR baseline only B
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单选题Which statement correctly describes SQL and /SQL*Plus?（）A
Both SQL and /SQL*plus allow manipulation of values in the database.B
/SQL* Plus recognizes SQL satement and sends them to the server; SQL is the Oracle proprietary interface for executing SQL statements.C
/SQL* Plus language for communicating with the Oracle server to access data; SQL recognizes SQL statements and sends them to the server.D
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单选题What happens when you run the SQL Tuning Advisor with limited scope？（）A
Access path analysis is not performed for SQL statements.B
SQL structure analysis is not performed for SQL statements.C
SQL Profile recommendations are not generated for SQL statements.D
Staleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor.
考题
单选题Which is the source used by Automatic SQL Tuning that runs as part of the AUTOTASK framework？（）A
SQL statements that are part of the AWR baseline onlyB
SQL statements based on the AWR top SQL identificationC
SQL statements that are part of the available SQL Tuning Set （STS） onlyD
SQL statements that are available in the cursor cache and executed by a user other than SYS
考题
多选题What happens when you run the SQL Tuning Advisor with limited scope?（）AAccess pathanalysis is not performed for SQL statements.BSQL structure analysis is not performed for SQL statements.CSQL Profile recommendations are not generated for SQL statements.DStaleness and absence of statistics are not checked for the objects in the SQL Tuning Advisor. In this case, SQL Tuning Advisor produces recommendations based on statistical checks, access path analysis, and SQL structure analysis. SQL profile recommendations are not generated.
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单选题You are maintaining the PROD database of NetFx Corporation. You set the value of the SQL_TRACE parameter to TRUE. What will be the impact of this setting？（）A
The SQL trace facility will generate the performance statistics for all the SQL statements for an instance and write them in the USER_DUMP_DEST directory.B
The SQL trace facility will generate the performance statistics for all the SQL statements for a session and write them in the USER_DUMP_DEST directory.C
The SQL trace facility will generate the performance statistics for all the SQL statements for an instance and write them in the BACKGROUND_DUMP_DEST directory.D
The SQL trace facility will generate the performance statistics for all the SQL statements for a session and write them in the BACKGROUND_DUMP_DEST directory.
考题
多选题Examine the SQL statements that creates ORDERS table: For which columns would an index be automatically created when you execute the above SQL statement? （）ASER_NOBORDER_IDCSTATUSDPROD_IDEORD_TOTALFComposite index on ORDER_ID and ORDER_DATE
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