No credit will be offered ____ you place an order for more than 40.000 units.A.afterB.whenC.ifD.unless

题目
No credit will be offered ____ you place an order for more than 40.000 units.

A.after

B.when

C.if

D.unless

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2.In his composition there are ________errors _______a few misspellings.A: no other ... thanB: some other ... thanC: more ... thanD: other ... than

3.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_NOB. ORDER_IDC. STATUSD. PROD_IDE. ORD_TOTALF. Composite index on ORDER_ID and ORDER_DATE

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更多“No credit will be offered ____ you place an order for more than 40.000 units. ”相关问题

  • 第1题：

    YouneedtogeneratealistofallcustomerlastnameswiththeircreditlimitsfromtheCUSTOMERStable.Thosecustomerswhodonothaveacreditlimitshouldappearlastinthelist.Whichtwoquerieswouldachievetherequiredresult?()

    A.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limitDESC

    B.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limit

    C.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_credit_limitNULLSLAST

    D.SELECTcust_last_name,cust_credit_limitFROMcustomersORDERBYcust_last_name,cust_credit_limitNULLSLAST


    参考答案：B, C

  • 第2题：

    Mr. Henley has accelerated his sale of shares over the past year.

    A: held
    B: increased
    C: expected
    D: offered

    答案：B
    解析：
    题干意为“在过去的一年，亨利先生快速地抛售了他的股票。” 句中划线词意为“加速”。B项increase意为“增加”。例句：Rising prices neutralized in-creased wages．上涨的物价抵消了增加的工资。A项意为“拥有”，C项expect意为“预料”。 D项offer意为“提供”。故选B。

  • 第3题：

    No credit will be offered（）you place an order for more than 40.000 units.

    A after

    B when

    C if

    D unless


    B
    略

  • 第4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

  • 第5题：

    I always suspected she __________her successful performance to her friendship with Rice.

    A. owed
    B. donated
    C. contributed
    D. offered

    答案：A
    解析：
    考查词义辨析。本句意为：我怀疑她的成功的表现全靠她与Rice 之间的友谊。 owe...to...应把……归因于；donate 捐献；contribute to...促成，导致；offer 提供。

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