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单选题You have a master-detail relationship in the EMPLOYEE form module. You set the Delete Record Behavior property to Cascading. When a user deletes a master record, how does Forms implement the cascade-delete foreign-key rule? （）A With a Pre-Delete trigger. B With an On-Delete trigger. C With a Post-Delete trigger. D With the On-Check-Delete-Master trigger.
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单选题Which trigger property applies to Key triggers? （）A Hide Keys B Show Menu Keys C Hide Menu Keys D Display in 'Keyboard Help' E Hide Keys Description
单选题Which statement is true about loading data using the conventional path of SQL*Loader（）A Redo is not generated while performing conventional path loads.B Only PRIMARY KEY， UNIQUE KEY， and NOT NULL constraints are checked.C No exclusive locks are acquired when the conventional path loads are performed.D Instead of performing transactions， SQL*Loader directly writes data blocks to the data files.E INSERT triggers are disabled before the conventional path load and reenabled at the end of the load.
单选题The following triggers were defined for table TAB1 in the order shown:CREATE TRIGGER trig_a AFTER UPDATE ON tab1 FOR EACH ROW UPDATE sale_tab SET sale_date = CURRENT DATE; CREATE TRIGGER trig_b AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE invoice_tab SET invoice_date = CURRENT DATE; CREATE TRIGGER trig_c AFTER UPDATE ON tab1 FOR EACH ROW UPDATE shipping_tab SET ship_date = CURRENT DATE; CREATE TRIGGER trig_d AFTER UPDATE ON tab1 FOR EACH STATEMENT UPDATE billing_tab SETbilling_date = CURRENT DATE;If an event occurs that causes all of them to activate, which trigger will be activated first?（）A TRIG_AB TRIG_BC TRIG_CD TRIG_D
多选题Which of the following are not true OSPF LSA rules？（）AOSPF LSA type 5 triggers an LSA type 7 at an ABR between an NSSA and the backbone areaBOSPF LSA type 1 triggers an LSA type 3 at an ABR.COSPF LSA type 7 triggers an LSA type 5 at an ABR between an NSSA and the backbone areaDOSPF LSA type 3 triggers an LSA type 4 at an ABR.EOSPF LSA type 5 triggers an LSA type 7 at an A5BR but only in N5SAsFOSFP LSA type 2 triggers an LSA type 3 at an ABR
单选题Which of the following statements concerning intellectual property is wrong？（）A Intellectual property is an intangible creationB Intellectual property in ludes patents，trademarks，copyrights，etc.C Intellectual property is a visible creationD There are some agreement sconcerning intellectual property under the WTO
多选题Which two triggers are mouse movement triggers?（）AWhen-Mouse-UpBWhen-Mouse-MoveCWhen-Mouse-DownDWhen-Mouse-ClickEWhen-Mouse-Leave
