单项选择题

A.REF cursor. B.Instead Of trigger. C.Stored procedure ……

The EMP_DEPT block in your EMPLOYEE form is based on a view in an Oracle8 database. The items in this block have the Update Allowed property set to Yes. Which database feature makes it possible to permanently modify the underlying view?（）

A.REF cursor.
B.Instead Of trigger.
C.Stored procedure that returns object values.
D.The underlying view cannot be modified because DML on a view is not supported.

<上一题目录下一题>

热门试题

单项选择题Theaccountingmanagerwantsyoutocreateaformthatwhenqueriedwilldisplayacalculatedtotalofyear-to-dateactualexpendituresforthefundcodeentered.Thevalueneededtogeneratethissummarydataarestoredinmultipletables.HowwouldyoudefinethedatasourceforthisdatablockwithouthavingtheDBAcreateadatabaseobject?（）

A.Choose Tools -> Data Block Wizard, select View as the data source type, and base the block on the columns from the bales.
B.Choose Tools -> Data Block Wizard, select Table as the data source type, and base the block on the columns from the tables.
C.Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually and alter the Query Data Source Columns and Query Data Source Arguments properties to enter the SELECT statement.
D.Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually, alter the Query Data Source Type property to 'Table', and enter the SELECT statement in the Query Data Source Name property.
E.Choose Tools -> Data Block Wizard, select Stored Procedure as the data source type, and base the block on the columns the tables.
F.Select the Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually. Alter the Query Data Source Type to 'FROM' clause query', and enter the SELECT statement in the Query Data Source Name property.

多项选择题Yourapplicationrequiresthatyouprogrammaticallymanipulateanonqueryrecordgroup.Whichthreebuilt-inscanyouuse?（）

A.CREATE_GROUP
B.ADD_GROUP_NOW
C.POPULATE_GROUP
D.ADD_GROUP_COLUMN
E.CREATE_GROUP_FROM_QUERY

多项选择题Whichtwoareexamplesofamouseevent?（）

A.The user clicks the mouse.
B.The user moves the mouse into an item.
C.The cursor style changes from default to busy.
D.The user moves the mouse into the window title bar.

多项选择题WhichtwochartbasetypescanyouselectusingtheChartWizard?（）

A.Line
B.Column
C.Bubble
D.Flowchart
E.OHLC candle stock

单项选择题Youneedtoallowtheusertotogglebetweenautomaticqueryandnoautomaticqueryusingapop-upmenu.Whichbuilt-inwouldyouuseinthemenuitemcommandtoobtaintherelationshipname?（）

A.GET_RELATION_PROPERTY
B.SET_RELATION_PROPERTY
C.GET_BLOCK_PROPERTY
D.GET_FORM_PROPERTY