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单选题
he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）
A
Use the Data Block Wizard and base the relation on a REF pointer.
B
In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.
C
Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database.
D
This task is not possible because master-detail relations can be implemented only for blocks based on relational tables.
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更多 “单选题he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）A Use the Data Block Wizard and base the relation on a REF pointer. B In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.C Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database. D This task is not possible because master-detail relations can be implemented only for blocks based on relational tables. ” 相关考题
考题
Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? ()
A. You cannot roll back this statement.B. All pending transactions are committed.C. All views based on the DEPT table are deleted.D. All indexes based on the DEPT table are dropped.E. All data in the table is deleted, and the table structure is also deleted.F. All data in the table is deleted, but the structure of the table is retained.G. All synonyms based on the DEPT table are deleted.
考题
ou need to create a data block for query operations in the RETIRED_EMPLOYEES form module. Which three data sources can you use for this block?（）A、vector B、database view C、database table D、transactional trigger E、PL/SQL table of records F、multi-dimensional array
考题
You create a data block based on a relation table containing a REF column. You select the REF column for your form module. Which statement about the REF column is true?（）A、It is created as a nondisplay item. B、The Lock Record property is set to Yes. C、It cannot be referenced in item level triggers. D、It is placed on the canvas with the highest sequence number.
考题
While designing the database for one of your online transaction processing （OLTP） applications， you want to achieve the following： a） high availability of data b） faster primary key access to the table data c） compact storage for the table Which type of tables would you use to achieve these objectives？（） A、heap tablesB、object tablesC、partitioned tablesD、index-organized tables （IOTs）
考题
The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the found code entered. The values needed to generate this summary data are stored in multiple tables. Which data source type can you assign to the data block for this form without having the DBA create a database object?（）A、database table B、transactional trigger C、stored procedure D、FROM clause query E、client-side procedure
考题
You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?（）A、BFILE B、REF column C、Object table D、Column object E、INSTEAD-OF trigger
考题
Which object is added to a form module when you copy the reusable calender class?（）A、List icon B、Object group C、PL/SQL library D、Key-Listval trigger
考题
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.
考题
he data blocks in your form module are based on object tables. How would you create a master-detail relationship between two of these blocks?（）A、Use the Data Block Wizard and base the relation on a REF pointer. B、In the Object Navigator, select the Relation node under the master block and click the Create icon. Build the relation manually and coordinate the blocks using triggers.C、Use the Data Block Wizard, and base the relation on the primary key-foreign key relationship in the database. D、This task is not possible because master-detail relations can be implemented only for blocks based on relational tables.
考题
You are creating the CUST_PREMIUM data block in the AUTO_INSURANCE form. A new state law requires that premiums be lowered for drivers with a good driving history. Because this could potentially affect a large number of records, you want to base the data block on a stored procedure returning a table of records. Which statement supports this approach?（）A、A table of records is efficient in terms of network traffic. B、A table of records improves developer productivity because the database administrator does not have to create a server side view. C、A table of records is efficient because the number of records fetched depends on the Array Fetch property value.D、Your coding effort is simplified since DML operations are handles by setting form module properties.
考题
You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）A、An object type is a user-defined composite data type. B、The attributes of an object type can be those of other object types. C、A PL/SQL table of records is an example of a nested object type. D、An object type must be declared as a type before the actual object itself can be declared.
考题
You need to change the text of a pop-up menu that appears when a user right clicks the mouse in the EMP_DATA data block. Where could you find the node for the pop-up menu in the Object Navigator?（）A、Built-in Packages B、Menus C、PL/SQL Libraries D、Object Libraries E、Form Module
考题
Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? （）A、You cannot roll back this statement.B、All pending transactions are committed.C、All views based on the DEPT table are deleted.D、All indexes based on the DEPT table are dropped.E、All data in the table is deleted, and the table structure is also deleted.F、All data in the table is deleted, but the structure of the table is retained.G、All synonyms based on the DEPT table are deleted.
考题
According to your backup strategy， you performed an incremental level 0 backup of your database. Which statement regarding this backup is true？（）A、The backup is similar to image copy.B、The backup contains all used data blocks.C、The backup contains only unused data blocks.D、The backup contains all data blocks changed since the last incremental level 1 backup.
考题
单选题You create a data block based on a relation table containing a REF column. You select the REF column for your form module. Which statement about the REF column is true?（）A
It is created as a nondisplay item. B
The Lock Record property is set to Yes. C
It cannot be referenced in item level triggers. D
It is placed on the canvas with the highest sequence number.
考题
单选题You are creating the DEPT_SAL data block from the PAYHIST form. Users should be able to enter a valid department ID number, which will then display the employee salary information for that department. This data block could potentially retrieve a large number of records. Since users will probably only view a small number of these records, only 10 records should be fetched at one time. How would you create the data block?（）A
Select The Data Blocks node in the Object Navigator and click the Create button. Choose to build the data block manually, enter the procedure name in the Query Data Source Columns property, and the procedure code in the Query Data Source Arguments property. B
Choose Tools - Data Block Wizard, select Table as the data source type, and base the block on the columns from the tables. C
Choose Tools - Data Block Wizard, select, View as the data source type, and base the block on the columns from the tables. 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 'FROM clause query', and enter the SELECT statement in the Query Data Source Name property. E
Select the Data Block node in the Object Navigator and click the Create button. Alter the Query Data Source Type, Query Data Source Name, Query Data Sources Columns, and Query Data Source Arguments properties to create a stored procedure that uses a red cursor.
考题
单选题While designing the database for one of your online transaction processing （OLTP） applications， you want to achieve the following： a） high availability of data b） faster primary key access to the table data c） compact storage for the table Which type of tables would you use to achieve these objectives？（）A
heap tablesB
object tablesC
partitioned tablesD
index-organized tables （IOTs）
考题
单选题The accounting manager wants you to create a form that when queried will display a calculated total of year-to-date actual expenditures for the fund code entered. The value needed to generate this summary data are stored in multiple tables. How would you define the data source for this data block without having the DBA create a database object? （）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.
考题
单选题In your production database， data manipulation language （DML） operations are executed on the SALES table.You have noticed some dubious values in the SALES table during the last few days. You are able to track users， actions taken， and the time of the action for this particular period but the changes in data are not tracked.You decide to keep track of both the old data and new data in the table along with the user information. Whataction would you take to achieve this task（）A
Apply fine-grained auditing.B
Implement value-based auditing.C
Impose standard database auditing to audit object privileges.D
Impose standard database auditing to audit SQL statements.
考题
多选题ou need to create a data block for query operations in the RETIRED_EMPLOYEES form module. Which three data sources can you use for this block?（）AvectorBdatabase viewCdatabase tableDtransactional triggerEPL/SQL table of recordsFmulti-dimensional array
考题
单选题A sales analyst reviews the first draft on your Sales application, and requests that the application graphically represent revenue generated for each sales representative, in addition to the textual data currently displayed for the ORDER block. How would you incorporate this graphic in your form? （）A
Invoke the Chart Wizard and create a chart based on the ORDER block. B
Create a chart using Graphics Builder and then select File Import Chart in Form Builder, positioning the new chart with the text items in the ORDER block. C
Invoke the Data Block Wizard in reentrant mode, select the Charts tab, and specify the chart type and column sources for the X and Y axes. D
Select the Chart node in the Object Navigator, Click the Create icon, and specify the details of the chart in the chart's Property Palette.
考题
单选题You are developing a Hotel Booking application for a travel company. The users request a wizard-style interface for this application. How could you satisfy this requirement?（）A
Reference the Object Iron packages in your form module. B
Write an HTML interface, and invoke it from your form module. C
Include the Wizard class reusable component in your application. D
Build a customized wizard using tab canvases and a horizontal toolbar canvas.
考题
多选题Evaluate the SQL statement DROP TABLE DEPT: Which four statements are true of the SQL statement? （）AYou cannot roll back this statement.BAll pending transactions are committed.CAll views based on the DEPT table are deleted.DAll indexes based on the DEPT table are dropped.EAll data in the table is deleted, and the table structure is also deleted.FAll data in the table is deleted, but the structure of the table is retained.GAll synonyms based on the DEPT table are deleted.
考题
单选题You are creating the SAL_INFO data block on the EMP_QUERY form. The SALARY field should only be populated if the logged-on user is a manager. Since this query could potentially return a large amount of records, you have created a stored procedure which uses a ref cursor on which to base the data block. How would you create the data block?（）A
Click the Data Blocks node in the Object Navigator and click the create button. Choose to build the data block manually. Enter the procedure name in the Query Data Source Columns property and the procedure code in the Query Data Source Arguments property. B
Choose Tools - Data Block Wizard, select Table as the data source type, and base the data block on the columns included in the procedure. C
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 'Ref cursor', and enter the name of the procedure in the Query Data Source Name property. D
Select the Data Blocks node in the Object Navigator and click the Create button. Alter the Query Data Source Name, Query Data Source Columns, and Query Data Source Arguments properties to create a stored procedure that uses a ref cursor. E
Launch the Data Block Wizard, select Stored Procedures as the data source type, and base the block on the procedure.
考题
单选题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.
考题
单选题You want to implement a master-detail relation between data blocks based on object tables. How would you do this? （）A
Create the relation manually and coordinate the blocks using triggers. B
Base the relation on a REF pointer using the Data Block Wizard. C
Base the relation on a foreign key using the Data Block Wizard. D
This task is not possible because master-detail relations can be implemented only for blocks based on relation tables.
考题
多选题You want to make use of the object features available in the database for the form module you are developing. Which three statements about object types are true? （）AAn object type is a user-defined composite data type.BThe attributes of an object type can be those of other object types.CA PL/SQL table of records is an example of a nested object type.DAn object type must be declared as a type before the actual object itself can be declared.
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