单项选择题
A. xxx-xxx-xxxx
B. （xxx） xxxxxxx
C. （xxx） xxx-xxxx
D. xxx-（xxx）-xxxx
单项选择题 View the Exhibit and examine the structure of the ORDERS table. Which task would require subqueries？ （）
多项选择题 Whichstatementsarecorrectregardingindexes？（）
单项选择题 Evaluate the following SQL statements that are issued in the given order： What would be the status of the foreign key EMP_MGR_FK？（）
The query was written to format the PHONE_NUMBER for the employees.