多项选择题

Which three possible values can be set for the TIME_ZONE session parameter by using the ALTER SESSION command？ （）

A. os
B. local
C. -8：00
D. dbtimezone Li
E. Australia

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单项选择题
The details of the order ID， order date， order total， and customer ID are obtained from the ORDERS table. If the order value is more than 30000， the details have to be added to the LARGEjDRDERS table. The order ID， order date， and order total should be added to the ORDERJHISTORY table， and order ID and customer ID should be added to the CUSTJHISTORY table.   Which multitable INSERT statement would you use？ （）

A. Pivoting INSERT
B. Unconditional INSERT
C. Conditional ALL INSERT
D. Conditional FIRST INSERT
单项选择题
View the Exhibit and examine the details of the EMPLOYEES table.  The query was written to format the PHONE_NUMBER for the employees.   Which option would be the correct format in the output？（）

A. xxx-xxx-xxxx
B. （xxx） xxxxxxx
C. （xxx） xxx-xxxx
D. xxx-（xxx）-xxxx
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