单项选择题
A.DELETE ALL FROM tab01 FOR CURRENT OF csr01
B.DELETE FROM tab01 FOR CURRENT csr01 WITH RS
C.DELETE * FROM tab01 WHERE CURRENT csr01 WITH CS
D.DELETE FROM tab01 WHERE CURRENT OF csr01 WITH RR
单项选择题 Which of the following statements allows USER1 to take away read access on the table ORG.TAB1 from USER2?()
单项选择题 On which of the following database objects may the SELECT privilege be controlled?()
单项选择题 A "trusted" client needs to communicate with a server that has been configured to use CLIENT authentication. Which of the following will be used to verify passwords?()