IBM(000-730)單項(xiàng)選擇題每日一練(2019.03.21)

來源：考試資料網(wǎng)

1 Which kind of non-sourced UDF can be created so that it only returns a single value?（）

2 A view is created with the following statement:CREATE VIEW v1 AS SELECT col1, col2, col3, col4 FROM t1 WHERE col4 > 1000 WITH CHECK OPTIONWhat is the effect of the CHECK OPTION clause?（）

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3 Which of the following is true of an index used to support a UNIQUE constraint?（）

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4 If DB2 detects a deadlock between application A and application B (each waiting for a lock held by the other one), what action will DB2 take?（）

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5 Which of the following tools is used to view historical information about tasks, database changes, messages, and notifications?（）

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IBM(000-730)單項(xiàng)選擇題每日一練(2019.03.21)

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