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單項選擇題

Assuming PUBLIC has been granted all privileges on table T1, which of the following statements would continue to permit any user to add rows to table T1, but not remove them?（）

A.REVOKE DROP ON t1 FROM PUBLIC
B.REVOKE UPDATE ON t1 FROM PUBLIC
C.REVOKE DELETE ON t1 FROM PUBLIC
D.REVOKE CONTROL ON t1 FROM PUBLIC

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單項選擇題

A user utilizing an alias to update a subset of columns in a table must have UPDATE privileges on which of the following DB2 objects?（）

A.Table
B.Columns
C.Table and Alias
D.Columns and Alias

單項選擇題

Given the following DDL and INSERT statements:
CREATE VIEW v1 AS SELECT col1 FROM t1 WHERE col1 > 10; CREATE VIEW v2 AS SELECT col1 FROM v1 WITH CASCADED CHECK OPTION; CREATE VIEW v3 AS SELECT col1 FROM v2 WHERE col1 < 100; INSERT INTO v1 VALUES(5); INSERT INTO v2 VALUES(5); INSERT INTO v3 VALUES(20); INSERT INTO v3 VALUES(100);
How many of these INSERT statements will be successful?（）

A.0
B.1
C.2
D.3