单项选择题
The DBA issues this SQL command:CREATE USER scott IDENTIFIED by tiger;What privileges does the user Scott have at this point?（）
A. no privileges B. only the SELECT privilege C. only the CONNECT privilege D. all the privileges of a default user
多项选择题 Which four are correct guidelines for naming database tables?（）
多项选择题 Which two tasks can you perform using only the TO_CHAR function? （）
多项选择题 Which two statements about sequences are true?（）
