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【单选题】

You need to create a table named ORDERS that contains four columns:<br /> 1.an ORDER_ID column of number data type<br /> 2.a CUSTOMER_ID column of number data type<br /> 3.an ORDER_STATUS column that contains a character data type<br /> 4.a DATE_ORDERED column to contain the date the order was placed<br /> When a row is inserted into the table, if no value is provided for the status of the order, the value PENDING should be used instead.<br /> Which statement accomplishes this?()

A、CREATE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status NUMBER(10) DEFAULT 'PENDING', date_ordered DATE );

B、CREATE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status VARCHAR2(10) = 'PENDING', date_ordered DATE );

C、CREATE OR REPLACE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status VARCHAR2(10) DEFAULT 'PENDING', date_ordered DATE );

D、CREATE OR REPLACE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status VARCHAR2(10) = 'PENDING', date_ordered DATE );

E、CREATE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status VARCHAR2(10) DEFAULT 'PENDING', date_ordered DATE );

F、CREATE TABLE orders ( order_id NUMBER(10), customer_id NUMBER(8), order_status VARCHAR2(10) DEFAULT 'PENDING', date_ordered VARCHAR2 );

更多“ You need to create a table named ORDERS that contains four columns:<br /> 1.an ORDER_ID column of number data type<br /> 2.a CUSTOMER_ID column of number data type<br /> 3.an ORDER_STATUS column that contains a character data type<br /> 4.a DATE_ORDERED column to contain the date the order was placed<br /> When a row is inserted into the table, if no value is provided for the status of the order, the value PENDING should be used instead.<br /> Which statement accomplishes this?()”相关的问题
第2题

A、A. CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;  B、B. CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;  C、C. GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***  

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第9题

A、CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;  B、CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;  C、GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***  

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