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【单项选择题】

Upon getting the order ,can I lower the anchor until it is clear of hawse pipe ? （）

A、A.接到命令时，我可以等到清空锚链筒后才抛锚吗？

B、B.一接到抛锚命令，我能将锚抛下直到锚链筒清爽吗？

C、C.A+B

D、D.AB都不对。

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更多“Upon getting the order ,can I lower the anchor until it is clear of hawse pipe ? （）”相关的问题
第1题
[单选题] The check under shipowner’s organization made at the loading port is to avoid accepting cargo（）upon receipt.

A、in sufficient packing  B、in weak condition  C、in correct number  D、in good orde  

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第2题
[单选题] Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables. Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin placed his orders?（）

A、SELECT ord_id, cust_id, ord_total FROM orders, customers WHERE cust_name='Martin' AND ord_date IN ('18-JUL-2000','21-JUL-2000');  B、SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT ord_date FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'Martin'));  C、SELECT ord_id, cust_id, ord_total FROM orders WHERE ord_date IN (SELECT ord_date FROM orders, customers WHERE cust_name = 'Martin');  D、SELECT ord_id, cust_id, ord_total FROMorders WHERE cust_id IN (SELECT cust_id FROM customers WHERE cust_name = 'Martin');  

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第3题
[单选题] Examine the data from the ORDERS and CUSTOMERS tables. ORDERS ORD_ID ORD_DATE CUST_ID 12-JAN- 100 15 10000 09-MAR- 101 40 8000 09-MAR- 102 35 12500 15-MAR- 103 15 12000 25-JUN- 104 15 6000 18-JUL- 105 20 5000 106 18-JUL- 35 7000 21-JUL- 107 20 6500 04-AUG- 109 10 8000 CUSTOMERS CUST_ID CUST_NAME CITY 10 Smith Los Angeles 15 Bob San Francisco 20 Martin Chicago 25 Mary New York 30 Rina Chicago 35 Smith New York 40 Lind New York Evaluate the SQL statement: SELECT * FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'Smith'); What is the result when the query is executed?（）

A、ORD_ID ORD_DATE CUST_ID ORD_TOTAL 09-MAR- 102 35 12500 18-JUL- 106 35 7000 04-AUG- 108 10 8000  B、ORD_ID ORD_DATE CUST_ID ORD_TOTAL 09-MAR- 102 35 12500 18-JUL- 106 35 7000  C、ORD_ID ORD_DATE CUST_ID ORD_TOTAL 04-AUG- 108 10 8000  D、The query fails because the subquery returns more than one row.  E、The query fails because the outer query and the inner query are using different tables.  

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第4题
[单选题] Examine the data from the ORDERS and CUSTOMERS table. ORDERS ORD_ID ORD_DATE CUST_ID ORD_TOTAL 100 12-JAN-2000 15 10000 09-MAR- 101 40 8000 09-MAR- 102 35 12500 15-MAR- 103 15 12000 104 25-JUN-2000 15 6000 105 18-JUL-2000 20 5000 106 18-JUL-2000 35 7000 107 21-JUL-2000 20 6500 04-AUG- 108 10 8000 CUSTOMERS CUST_ID CUST_NAME CITY 10 Smith Los Angeles 15 Bob San Francisco 20 Martin Chicago 25 Mary New York 30 Rina Chicago 35 Smith New York 40 Linda New York Which SQL statement retrieves the order ID, customer ID, and order total for the orders that are placed on the same day that Martin places his orders?（）

A、SELECT ord_id, cust_id, ord_total FROM orders, customers WHERE cust_name='Mating' AND ord _ date IN ('18-JUL-2000','21-JUL-2000');  B、SELECT ord_id, cust_id, ord_total FROM orders Where ord_date IN (SELECT ord_date FROM orders WHERE cust_id = (SELECT cust_id FROM customers WHERE cust_name = 'MARTIN'));  C、SELECT ord_id, cust_id, ord_total FROM orders Where ord_date IN (SELECT ord_date FROM orders, customers Where cust _ name = 'Martin');  D、SELECT ord_id, cust_id, ord_total FROM orders WHERE cust_id IN (SELECT cust_id FROM customers WHERE cust name = 'Martin');  

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第5题
[] Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables. Evaluate this SQL statement: SELECT cust_id, ord_total FROM orders WHERE ord_total > ANY(SELECT ord_total FROM orders WHERE cust_id IN (SELECT cust_id FROM customers WHERE city LIKE'New York')); What is the result when the above query is executed?（） Click the Exhibit button and examine the data from the ORDERS and CUSTOMERS tables. Evaluate this SQL statement: SELECT cust_id, ord_total FROM orders WHERE ord_total > ANY(SELECT ord_total FROM orders WHERE cust_id IN (SELECT cust_id FROM customers WHERE city LIKE'New York')); What is the result when the above query is executed?（）

A、A.A  B、B.B  C、C.C  D、D.D  E、E.E  

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第6题
[多选题] On your Oracle Database, you issue the following commands to create indexes: SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customer_id, sales_rep_id) INVISIBLE; SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customer_id, sales_rep_id); Which two statements are true?（）

A、Only the ORD_CUSTOMER_IX1 index created.  B、Both the indexes are updated when a row is inserted, updated, or deleted in the ORDERS table.  C、Both the indexes are created: however, only ORD_CUSTOMERS_IX1 is used by the optimizer for queries on the ORDERS table.  D、The ORD_CUSTOMER_IX1 index is not used by the optimizer even when the OPTIMIZER_USE_INVISIBLE_INDEXES parameters is set to true.  E、Both the indexes are created and used by the optimizer for queries on the ORDERS table.  F、Both the indexes are created: however, only ORD_CUSTOMERS_IX2 is used by the optimizer for queries on the ORDERS table.  

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第7题
[单选题] Which of the following files should be used to alter the order of which DNS servers get queried first？（）

A、/etc/hosts  B、/etc/inetd.conf  C、/etc/netsvc.conf  D、/etc/resolv.conf  

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第8题
[多选题] On your Oracle 12c database, you Issue the following commands to create indexes SQL > CREATE INDEX oe.ord_customer_ix1 ON oe.orders (customers_id, sales_rep_id) INVISIBLE; SQL> CREATE BITMAP INDEX oe.ord_customer_ix2 ON oe.orders (customers_id, sales_rep_id); Which two statement are correct?（）

A、Both the indexes are created; however, only the ORD_COSTOMER index is visible.  B、The optimizer evaluates index access from both the Indexes before deciding on which index to use for query execution plan.  C、Only the ORD_CUSTOMER_IX1 index is created.  D、Only the ORD_CUSTOMER_IX2 index is created.  E、Both the indexes are updated when a new row is inserted, updated, or deleted In the orders table.  

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第9题
[单选题] The ORDERS table belongs to the user OE. OE has granted the SELECT privilege on the ORDERS table to the user HR.Which statement would create a synonym ORD so that HR can execute the following query successfully?（）

A、CREATE SYNONYM ord FOR orders; This command is issued by OE   B、CREATE PUBLIC SYNONYM ord FOR orders; This command is issued by OE   C、CREATE SYNONYM ord FOR oe.orders; This command is issued by the database administrator   D、CREATE PUBLIC SYNONYM ord FOR oe.orders; This command is issued by the database administrator   

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