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单选题
Which of the following statements is used to prevent user TOM from adding and deleting data in table TAB1?（）
A
REVOKE ADD, DELETE FROM USER tom ON TABLE tab1
B
REVOKE ADD, DELETE ON TABLE tab1 FROM USER tom
C
REVOKE INSERT, DELETE FROM USER tom ON TABLE tab1
D
REVOKE INSERT, DELETE ON TABLE tab1 FROM USER tom
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单选题Which of the following statements is used to grant user TOM and Application team APPGRP the ability to add data to table TAB1?（）A
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考题
单选题Which of the following statements is true regarding the VERSIONS BETWEEN clause？（）A
The VERSIONS BETWEEN clause may be used in DML statements.B
The VERSIONS BETWEEN clause may be used in DDL statements.C
The VERSIONS BETWEEN clause may not be used to query past DDL changes to tables.D
The VERSIONS BETWEEN clause may not be used to query past DML statements to tables.
考题
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