A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3 FROM t1 WHERE col4 > 1000 ; When will DB2 access the data from table T1 for view V1?()
- A、When view V1 is created
- B、Each time the REFRESH VIEW v1 statement is executed
- C、Each time an SQL statement is executed against view V1
- D、Only the first time an SQL statement is executed against view V1
正确答案:C
答案解析:有

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