多选题 You are creating a form that will access an Oracle8 database. On which three sources can you base a data block?()
BFILE
REF column
Object table
Column object
INSTEAD-OF trigger
单选题 You create the sales report and run it in the live previewer. After which change would the live previewer require the data? ()
Removing column from the available list in the report wizard.
Removing the column from the displayed list in the report wizard.
Changing the display width of a column in the report wizard.
Adding a column to both the available list and displayed list in the report wizard.
Removing a column in the live previewer.
单选题 Which are SRW package procedure or function could you use to create and then drop a temporary table in the sales report?()
SRW.BREAK
SRW.SET_ALTER
SRW.REFERENCE
SRW.DO_SQL
SRW.RUN_REPORT
SRW.SET_FIELD
单选题 You are developing a report to allow customers in a department store to view product information. You added a button to the layout to allow customers to view the picture of the product. Which button property would you alter to specify the source of the .BMP file?()
Type
Multimedia file
Multi media file type
Label type
单选题 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?()
REF cursor.
Instead Of trigger.
Stored procedure that returns object values.
The underlying view cannot be modified because DML on a view is not supported.
单选题 You want to implement a master-detail relation between data blocks based on object tables. How would you do this? ()
Create the relation manually and coordinate the blocks using triggers.
Base the relation on a REF pointer using the Data Block Wizard.
Base the relation on a foreign key using the Data Block Wizard.
This task is not possible because master-detail relations can be implemented only for blocks based on relation tables.
单选题 What is the data type returned by the CREATE_TIMER built-in?()
long
timer
number
varchar2
多选题 Which two PL/SQL8 features are supported in Oracle Forms?()
methods
object tables
object columns
collection types
object as stored procedure parameters
多选题 Which two chart base types can you select using the Chart Wizard?()
Line
Column
Bubble
Flowchart
OHLC candle stock
多选题 Which three menu item types are valid in a menu module?()
Magic
Plain
Check
List item
Divider
在任何情况下,伸缩调节器处轨距的要求为()。
人类有两套影响学习的记忆系统:陈述性记忆和程序记忆。陈述性记忆是对事实或者词汇之类基本认识的记忆。而程序记忆,就是一个人“不劳而获”的记忆。程序记忆是人养成习惯和习得技巧的方式,比如骑自行车。在很多时候,这种学习是无意识的。人们用早期发育的程序记忆系统来学习复杂的东西,比如语法规则。帮助人们学习词汇的陈述性记忆系统,则需要更多时问完成发育。儿童拥有程序记忆系统,并且不受陈述性记忆系统的干扰。由此可以推出()。
宋末元初四大家
公平目标的实现可以通过()实现。
荟萃分析
人员安全疏散分析的性能判定标准为:可用疏散时间(A.SET)必须()必需疏散时间(RSET)。
预防HIV感染的主要措施应当为( )
简述我国混合型债券市场的发展状况。
造成水中某些污染物在生物体内含量大大高于水体中的浓度的生物放大作用是指()
输血的适应证中,不包括()