If you choose to operate with the quoted_identifier option ON (the default Adaptive Server Anywhere setting), then the following statements involving the SQL keyword user are valid for both DBMSs.

• 如果选择在quoted_identifier选项为ON(Adaptive Server Anywhere中的缺省设置)时进行操作,则涉及SQL关键字user的以下语句对两个DBMS均有效。