We have accepted your Order No.TR22.Please open the relative L／C,()here four weeks before the date of shipment.A、that should reachB、which should reachC、when it reachesD、which should arrive at
题目
A、that should reach
B、which should reach
C、when it reaches
D、which should arrive at
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更多“We have accepted your Order No.TR22.Please open the relative L／C,()here four weeks before the date of shipment. ”相关问题
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第1题：
Which statement accomplish this? ()A. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE = SYSDATE);
B. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);
C. CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);
D. CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE = SYSDATE);
E. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE = SYSDATE);
F. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE DEFAULT SYSDATE);
参考答案：B
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第2题：
Examine the SQL statements that creates ORDERS table: CREATE TABLE orders(SER_NO NUMBER UNIQUE,ORDER_ID NUMBER,ORDER_DATE DATE NOT NULLSTATUS VARCHARD2(10)CHECK (status IN (‘CREDIT‘,‘CASH‘)),PROD_ID_NUMBERREFERENCES 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
参考答案：A, F
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第3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? ()
A. SER_NO
B. ORDER_ID
C. STATUS
D. PROD_ID
E. ORD_TOTAL
F. Composite index on ORDER_ID and ORDER_DATE
参考答案：A, F
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第4题：
You need to create a table named ORDERS that contain four columns:1. an ORDER_ID column of number data type2. aCUSTOMER_ID column of number data type3. an ORDER_STATUS column that contains a character data type4. aDATE_ORDERED column to contain the date the order was placed.When a row is inserted into the table, if no value is provided when the order was placed, today‘s date should be used instead.Which statement accomplishes this? （）
A. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE = SYSDATE);
B. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);
C. CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE DEFAULT SYSDATE);
D. CREATE OR REPLACE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status VARCHAR2 (10), date_ordered DATE = SYSDATE);
E. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE = SYSDATE);
F. CREATE TABLE orders ( order_id NUMBER (10), customer_id NUMBER (8), order_status NUMBER (10), date_ordered DATE DEFAULT SYSDATE);
参考答案：E
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第5题：
Examine the SQL statement that creates ORDERS table:CREATE TABLE orders (SER_NO NUMBER UNIQUE, ORDER_ID NUMBER, ORDER_DATE DATE NOT NULL, STATUS VARCHAR2(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 above SQL statement? （）
A. SER_NO
B. ORDER_ID
C. STATUS
D. PROD_ID
E. ORD_TOTAL
F. composite index on ORDER_ID and ORDER_DATE
参考答案：A, F
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第6题：
针对数据库bookshop，创建视图sale_item_view，该视图中包含订单编号、订货日期、图书编号及数量。可以使用以下SQL语句实现： create view sale_item_view（order_no，order_date，book_no，qty） as select sales.order_no,sales.order_date,book_no,qty from sales,sale_item where sales.order_no=sale_item.order_no
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