单项选择题

Which built-in returns a BOOLEAN value that indicated whether an objects internal ID is available?（）

A.GET_ID
B.ID_NULL
C.ID_FIND
D.FIND_ID

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多项选择题

Which two built-ins would you use to remove the HOUR_ALARM timer using the timer_id parameter?（）

A.FIND_TIMER
B.CREATE_TIMER
C.SET_TIMER
D.DELETE_TIMER
E.GET_APPLICATION_PROPERTY

单项选择题

Which technique retrieves the error number when explicit DML fails?（）

A.SQLCODE in an On-Error trigger.
B.SQLCODE in an exception handler.
C.DBMS_ERROR_CODE in an On-Error trigger.
D.DBMS_ERROR_CODE in an exception handler.

单项选择题

You create a data block based on a relational table containing a REF column. You select the REF column for your form module. What is true about the items based on the REF column attributes?（）

A.The Query Only property is set to Yes.
B.The Conceal Data property is set to Yes.
C.The Insert Allowed property is set to Yes.
D.The Update Allowed property is set to Yes.