Working with Query Objects

Working with Query Objects
Working with Query Objects
Intellicus Enterprise Reporting and BI Platform
©Intellicus Technologies
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Working with Query Objects
Copyright © 2012 Intellicus Technologies
This document and its content is copyrighted material of Intellicus Technologies.
The content may not be copied or derived from, through any means, in parts or
in whole, without a prior written permission from Intellicus Technologies. All
other product names are believed to be registered trademarks of the respective
Dated: - March 2012.
Acknow ledg em ent s
Intellicus acknowledges using of third-party libraries to extend support to the
functionalities that they provide.
For details, visit: .
Working with Query Objects
Query Objects ...................................................................... 4
Fields grouping ................................................................................ 8
Advanced Properties ......................................................................... 9
Formula fields ................................................................................ 10
Importing field attributes ................................................................. 11
Mandatory Filtering ......................................................................... 13
To specify a hyperlink on a field........................................................ 16
Lookup Values ............................................................................... 20
Modifying a Query Object ................................................................. 28
Save As a Query Object ................................................................... 28
Deleting a Query Object .................................................................. 29
Query Objects on Repository explorer ......................................................... 29
Adding a new Query Object .............................................................. 30
Dynamic definition of Query Object ................................................... 32
Working with Query Objects
Query Objects
Query Objects
A query object contains information required to connect to a data source and
fetch desired data. It acts like a 'data source' for adhoc reports. A Query object
can be used to design a standard report, an unbound chart or an unbound cross tab (both to be placed on a standard report).
Query page is used to create a new query object (QO), open a QO to edit and
delete the Open QO.
To navigate to Query page, click Repository > Repository Objects > Query.
Figure 1: Query Object page
You can create a Query Object by navigating to a Query object from Repository
tab also.
Working with Query Objects
Query Objects
Figure 2: Creating Query Object from Repository tab
You can create a Query Object by navigating to a Query object from Favorites
tab also.
Figure 3: Creating Query Object from Favorites tab
Click AddNew To clear the content of this page and start creating a new query
object. Click Open to open a query object.
Click Delete to delete the open query object and clear the content on the page.
Important: Before deleting a QO make sure it is not used in any report.
If a deleted QO is used in a report, such a report will fail to execute and
will result in an error.
Working with Query Objects
Query Objects
A QO is identified by its unique Name. When you click AddNew button to start
working on a new QO, application auto-names the QO as QueryObject, a name
that you can change.
By default, a QO's Data Source Type is selected as SQL, which can be changed
to XML if desired.
Connection dropdown lists the database connections available to you.
default (Default) is selected, which means that the QO will run on the connection
that is marked as Is Default on Navigation > Administration > Configure >
Databases page. To run the QO on other than default, change the connection.
Click Edit button to edit SQL / XML of the open QO. SQL is edited in SQL Editor.
It opens in a new window because Load in new Window checkbox is checked
by default. Uncheck it to open SQL Editor in the same window.
XML is specified in XML Source dialog.
The final SQL / XML created on
respective dialogs will be used to fetch database fields at QO design time and
actual report data at report-run time.
When you will return to QO page from SQL Editor or XML Source dialog, SQL /
XML will be displayed in the box below Edit button. Data fields returned from
respective data sources will be listed in Fields list.
In addition to database fields, a QO may have Formula fields too. You can
make a formula using all the database fields as well as other formula fields in
that QO. When you create a formula, it appears in the list. You can use that
formula to make another formula. But make sure that the formula that you
made later, should always appear lower in the list.
Instructions to create
formula field are provided here.
QOs are mainly used to design Adhoc Reports. A query may fetch large result set resulting in an adhoc report having a number of pages. Such a report may
not be easy to view and analyze. Setup Mandatory Filtering to force users to
provide filter criteria at report run time. Because a query having filters, returns
smaller result-set. Steps to setup Mandatory Filtering are provided here.
When you select a field from Fields list, it appears bold and its default attributes
are displayed. You can change some of the field attributes. Images o n left of
the fields denote its type (Text, number, date, formula, etc).
Field displays the field-name that is received from the database. The application
auto-generates a Caption. You can replace it with another one. Caption will be
displayed on adhoc report as column title.
Check Hidden checkbox to stop the field from appearing in any fi eld
list/dropdowns. Such a field can be used in a formula field, but users will not be
able to display it on the report.
In Data Type, set field data type among Date, Character or Number. Use this
when the field is from XML data source and you need to set it as number or date.
Similarly use it when a field that is character (having numeric value) is supposed
to be used in calculation, you may set it as Number.
In Group Label you create labels (group names) to group fields. When fields in
a QO are grouped, they appear within a group header (group name) in adhoc
Working with Query Objects
Query Objects
report wizard so that you can select or de-select all the fields within the group at
a time and that too in single-click. Instructions on fields grouping are provided
Figure 4: Setting Field Properties on Query page
Width is the number of characters (1 character = 20 pixels) of the se lected field
(set as per database). You can modify this value. If you reduce the field width,
the field will occupy less horizontal space on the report. Increasing value will
occupy more.
Align attribute defines the alignment of value within control. Change the value
if you need. For example, by default, a number may be right aligned, but if you
are sure that all records have same number of digits, you may align it to Center
for better presentation.
Make a field Hyperlink to open another report based on the value of the field
you clicked.
For example a report has monthly sales data by region, displaying
one row for every region. When you are going through row of "Western" region,
you may wish to see detail.
To achieve this, you make Region field a hyperlink
filed that will open "Regional sales report", having data for western region.
Instructions to hyperlink a field are provided here.
If at run time, user will input value for the selected field, (for exampl e, use
parameter or a mandatory filter), you can specify Input Format in which the
user should enter the value. At run time, corresponding format code will appear
in the text box to guide user how he/she should enter the value.
For the
selected field, if you provide Output Format, it will be applied on the field when
it is displayed on the report.
For more information on Data formats, refer to
portal help.
Time Zone is useful when users access application from different time zones. In
such cases, it may happen that date/time data stored in database may be in one
specific time zone and user may be accessing application from a different time
In this situation, application can convert date / time type data from one
time zone to another time zone.
Figure 5: Time Zone area on Query page
Working with Query Objects
Query Objects
In Database Time Zone, select the time zone in which date / time data was
entered in the database (to convert from).
zone set on Database page.
Select SYS_CONN_TZ to use time
Select SYS_SERVER_TZ to use time zone set on
Server Properties page (Report Server's time zone).
In User Time Zone, select the time zone from where user is expected to access
the application (to convert to). Select SYS_USER_TZ to use time zone applicable
SYS_SERVER_TZ to use time zone set on Server Properties page (Report
Server's time zone).
For time zone conversion to take place, value for Database Time Zone and
User Time Zone needs to be provided.
If any of the values is not provided,
time zone conversion will not take place.
Set Lookup Values for a character field and date type field that may be used
for data filtering. When a field for which Lookup Values are set, is used as filter,
its values will be displayed as a dropdown.
You can also set filter values on
PowerViewer itself, which is otherwise not possible. Instructions to setup Lookup
Values are provided here.
You can also import field attributes from one or more source fields and apply it
on the selected field on this page.
It not only saves time, but also reduces
chances of error in setting attributes.
Click Import button to open Import
Fields Attributes dialog. To know more on this, click here.
Save: To save the open query object.
Save As: To create copy of the open query object.
Cancel: To abandon all the changes made on this page after last Save action.
Import: To import query object details to apply on the open query object.
Advanced: To set Advanced properties for the open query object.
Fields grouping
When fields in a QO are grouped, they appear within a group header in adhoc
report wizard. All the fields of the group can then be selec ted or removed from
report with single click.
After creating groups, fields can be assigned to a group.
To create groups,
Working with Query Objects
Query Objects
Figure 6: Creating groups
1. In Group Label dropdown box click (Select to add group label) option.
2. Specify group name.
3. Repeat steps 1 and 2 to create more groups.
To assign a group to fields,
1. From Fields list, select the field.
2. From Group Label dropdown box, select a group.
Selected field will be part of that group.
Advanced Properties
Properties set here will be applicable to all the reports where this query is used.
Figure 7: Advanced Properties on Query page
For description of properties, refer to
Working with Query Objects
Query Objects
Formula fields
These are the fields that are not received from database, such as gross salary,
or grand total. Formula fields are created and used to handle such need. They
are created for report processing. They cease to exist once report is generated.
Formula fields can be created and embedded in a query object.
may have all the fields as well as formulas existing in the QO.
A formula field
To create a formula,
1. Click
button to get Formula dialog box.
2. Set up the formula and click OK to save the formula and close the dialog
3. Formula will be listed in Formula list.
Select a formula and click
button to shift selected formula up or down.
A formula lower side in the list can use formula on upper side of the list.
Opposite should be avoided.
Specifying formula
On Formula dialog box,
Figure 8: Formula dialog box
Working with Query Objects
Query Objects
1. In Name entry box, specify a name to uniquely identify this formula.
2. In Return Type, select the type of the value the expression is going to
3. In Details box, specify the formula.
(The details are given after these
4. Click OK to save the work and close the dialog box.
The formula is saved and the dialog box is closed.
General syntax for formula is:
FormulaName = formula
Name entry box).
(where, FormulaName is the same as specified in the
Follow JavaScript Syntax to create a formula. To create a formula, you can use
field names and define variables. A formula may have 'if' construct as well as
'nested if' construct. You can use logical operators too. If want to add more than
one statements in formula, use semicolon ';' as separator between two
NewForm1 = var a = 5 ; b = 3 ; if (a!=b) { f = a } {NewForm1=f}
TotalAmount = var total ; if (unitprice < 10 ) {total = u nitprice*quantity}
else {total = unitprice} {TotalAmount = total}
Importing field attributes
You can field attributes for a selected field. By importing field attributes for a
selected field, you save time spent in manually setting those attributes. Th is is
done on Import Formatting dialog box. From one or multiple you can import
following attributes:
Alignment option
Format option
Data Type
Hidden property
Group label
Lookup Values
You can select field attribute (to be import ed) from a field of any of the saved
query objects.
Working with Query Objects
Query Objects
Getting Import Formatting dialog box
On Query Object page, select the right query object and click IMPORT button.
Import Formatting dialog box opens.
Figure 9: Import Formatting dialog box
Selecting one or more field attributes
Select field attribute from a field from any of the saved query objects.
1. On Import Formatting dialog box, from Query Object dropdown box,
select a QO.
Working with Query Objects
Query Objects
2. From Field dropdown box, select the field. Formats from this field can be
3. Select attributes to import by clicking respective checkboxes.
Applying selected attributes to a target field
1. On Import Formatting dialog box, from Target Field, select the target
2. Click Apply button.
To apply selected attributes to another target field, repeat these steps.
Note: Attributes that can be applied to a target field will depend on data
type of source field as well as target field. Lookup values can‟t be
imported if data type of target field is Number.
Important: Action of importing attributes can't be revoked. So, make
sure you are importing the right attributes before clicking Apply button.
Click Cancel button to abandon selections made after latest click of
Apply button and close the dialog box. Click OK to close the dialog box.
Importing attributes from multiple fields
1. On Import Formatting dialog box, from Target Field, select a target
2. From Query Object dropdown box, select a QO.
3. From Field dropdown box, select the field.
Attributes from this field can
be imported.
4. Select attributes to import by clicking respective checkboxes.
5. Click Apply button.
6. Repeat steps 2 through 5 until you are finished with copying all the
required attributes.
7. Click OK to close the dialog box.
Mandatory Filtering
Use this feature in case you want your business users apply one or more filters
while creating and running an adhoc report. By doing this, you are saving
unnecessary data-transfer that take place from database server.
Working with Query Objects
Query Objects
Figure 10: Setting up Mandatory Filters in Query Object
Mandatory filtering can be setup in two ways:
Mandating filtering on any field. User can decide the field to filter on, at
the time of designing an adhoc report.
Mandating filtering on a specific field. User would have to filter on the
fields specified while designing an adhoc report.
To setup mandatory filtering
1. Select (Check) Mandatory Filtering check-box.
2. To specify a field for mandatory filtering, specify it in On Field dropdown
If you do not want to specify a field for mandatory filtering now,
leave it as Any.
3. Click
button to get another row for mandatory filtering. Repeat step 2.
To remove a mandatory filtering related row, click
right side of that row.
button available on the
Effect of Mandatory Filtering on Adhoc Report Wizard
On Adhoc Report Wizard when a user selects a Query Object (Data source) that
has Mandatory Filter setup, title of Select Filter Criteria also includes a star.
Figure 11: Effect of Mandatory Filtering on Adhoc Report Wizard
In addition to that, if a field was setup while setting up mandatory filter, there
will be one row for each field (mandatory filter) that was setup. Its dropdown
box will be disabled and will have a star mark.
Working with Query Objects
Query Objects
For each mandatory field with “Any” as selected value, Field drop down box will
be enabled, and will also carry a star mark.
The person working on it has to provide filters for all the rows where star mark
is present.
Working with Query Objects
Query Objects
To specify a hyperlink on a field
When you make a field a clickable hyperlink, you can link a URL or a report with
that report. You can make "drill-down" reports using hyperlinked field.
General steps to make a field hyperlink
Figure 12: Hyperlink Options dialog box
1. Click
button on the right of Hyperlink caption.
Hyperlink Options
dialog box will open.
2. Depending on the type of hyperlink needed, specify values for URL or Drill
3. Click Ok.
Hyperlink the field to open a specific URL
On Hyperlink Options dialog box,
1. Click URL option button.
Working with Query Objects
Query Objects
2. In the box provided below URL option button, specify the URL.
3. In Target, select the way to open the URL.
4. Click Ok.
Working with Query Objects
Query Objects
Hyperlink the field to open a specific report
On Hyperlink Options dialog box,
Figure 13: Setting up report parameters in Hyperlink Options dialog box
1. Click Drill down to another report option button.
2. In Select entry box, select the report that should open when the hyperlink
is clicked.
3. Select the most appropriate option for Target.
This is the way report in
the hyperlink will open.
4. Specify Report Parameter and the value field if the report needs any
report parameters to run.
Report Parameter is the parameter in the
report being set as hyperlink. Value field is the field within the report that
will have hyperlink.
to add a row.
to delete respective
Note: A report may have mandatory parameters. If value of mandatory
parameters are not specified, the may not get executed.
Specify System Parameter(s) and their value(s) to be considered for the report
being set as hyperlink. Detail is provided below these steps. Click
to add a
row. Click
to delete respective row.
Working with Query Objects
Query Objects
Figure 14: Setting up system parameters in Hyperlink Options dialog box
System parameters and their values
Priority: low, medium, high.
Report Format: SYS_REPORT_FORMAT (to use the format of the report from
where hyperlinked report is run), HTML, ACROBAT PDF, JVISTA, COMMA
Report Connection Name: Select the database using which the report
should be run.
Save File Name: File name to be used if the file is published as implicit
Implicit Operation: In addition to view the file, if report needs to be
published, select Publish.
Refresh Data: Select True to run report with latest data. Select False to run
report with cached data.
Prefetch Drilldown: To start generating hyperlinked report even if user has
not clicked hyperlink to run the report.
Pagination: Select the right option as per need to break pages by Single
Page (increase page width and length to any size), Multiple Page (divide in
width, divide in length as per need) and Horizontal Breaks (divide in length
only, increase width to any size).
Show HTMLtoolbar: When viewed in HTML, set Yes to have HTML Toolbar,
set No for not having toolbar and set Multipage to have toolbar only if report
is extended to more than one page.
Append to Parent (For PDF): Effective only when Prefetch Drilldown is
true and user has selected PDF as output type. Let it remain True to append
pdf output of all the 'child' reports appended in the parent report itself.
Select False to get output of parent report only.
In this case, hyperlinks in
parent reports that lead to hyperlinked report may not work.
Working with Query Objects
Query Objects
Lookup Values
Lookup Values for text field
Lookup values are used to set a filter at report design time as well as run time.
Query objects are generally used in adhoc report wizard, the repo rt design tool
for business users. Lookup values are setup for the fields on which user may
decide to set filtering at report design time (on adhoc report wizard) or at report
run time.
On adhoc report wizard, when user sets up a filter on a field, lookup values for
the field are listed in a dropdown box. User can select a value and proceed
further with report designing.
Similarly, at run time, a dialog box will appear having the field name (character
or date type) and the lookup values listed in a drop d own box. The query will be
executed with the filter values specified.
Lookup values can be defined in any of the following ways:
SQL: To get values from values from database using an SQL (used in the
main query or from a query setup exclusively). This way you make sure that
user selects valid options.
XML: To get values from an xml source.
Predefined: To specify static values.
Key Field: This is the key field of the table used in main query. Performance is
greatly improved if key field is specified.
Predefined Lookup values
To setup predefined lookup values,
Figure 15: Setting up Pre-defined lookup values
1. From Fields list, select the field for which lookup values are being setup.
Working with Query Objects
Query Objects
2. If not checked, check (select) Lookup Values checkbox.
3. Click Predefined link.
4. In Display entry box, specify the value that should be presented to the
5. In Value entry box, specify the value that should be considered for use,
when user selects value specified in Display.
6. Click
button to add the value set in list of lookup values.
Repeat the steps 4, 5, 6 to add all the pre-defined lookup values.
Click Save
SQL for lookup values
Figure 16: Specifying User Defined SQL for getting lookup values
1. From Fields list, select the field for which lookup values are being setup.
2. If not checked, check (select) Lookup Values check box.
3. Click SQL link.
4. Check (select) the User Defined SQL checkbox to specify separate SQL
unchecked (clear) will get distinct values using the SQL defined for the
main query object.
5. Fetch has options like, Now, On Every Use, Lazy and By Search.
Figure 17: Fetch
a. Now will refresh the list of values at query design time itself.
Working with Query Objects
Query Objects
Figure 18: Fetch NOW
b. On Every Use will refresh the list of values at query design time,
report design time as well as report running time.
Figure 19: Fetch On Every Use
c. Lazy will not refresh the list of values at query design time.
values will be displayed when user clicks Value column of filter after
Working with Query Objects
Query Objects
selecting the required field.
This is available on Adhoc Report
Wizard page.
Figure 20: Fetch Lazy
Figure 21: Adhoc Report Wizard - Lazy
d. By Search
will not refresh the
list of values at query design time. When the user designs a report
on Adhoc Report Wizard screen, under filter the user can type the
first few characters of the value.
The user will search the values.
The Min. Key Length is set as 3 which is customizable.
The Min.
Key Length is the minimum number of characters user needs to
type on Adhoc Report Wizard screen to get result of search.
Figure 22: Adhoc Report Wizard - Search
6. Keeping it clear will fetch values at query design time only. Values will be
placed in the query object that will be used at report design time and
report run time.
7. From Display Column dropdown box, select the column to be used to
display value to the user (only when SQL is user defined).
Working with Query Objects
Query Objects
8. From Value Column dropdown box, select the column that will be used in
filter (only when SQL is user defined).
9. Click Save button.
Link Lookup
When user applies filter on a field all the records a re listed under Value in Adhoc
report Wizard. To fetch only few records, you can link the filters. This linking
will display only a few records so that user can select from just a few records.
Here, we link two fields and apply look up values on them. Thereafter, apply
filters from Adhoc Report Wizard.
Steps to use Link Lookup:
1. Select the field on which look up values are to be applied.
2. Check the checkbox of Lookup Values.
Then check the checkbox Link
3. Select the To Parent Field.
Filters from Adhoc report wizard need to be
applied first on the selected field.
4. Once the filters are applied on the To Parent Field, user needs to apply
filter on the field on which lookup values were applied.
5. The field on which lookup values were applied will give values based on
the results received from filters applied on To Parent Field.
Figure 23: Link Lookup
When Mandatory checkbox is checked then the user first has to apply filters on
To Parent Field. If the filters are first applied on the field which has lookup
values then system will prompt to first apply filters on Parent field.
Working with Query Objects
Query Objects
Figure 24: Filter when Link is used
Working with Query Objects
Query Objects
Figure 25: Filters as Link Lookup
Figure 26: Filters as Link Lookup
You can also set Link Lookup as user defined.
Working with Query Objects
Query Objects
Figure 27: User Defined SQL and Link Lookup
XML for lookup values
Figure 28: Specifying user defined XML for Lookup values
1. From Fields list, select the field for which lookup values are being setup.
2. If not checked, check (select) Lookup Values check box.
3. Click XML link.
4. Check User Defined XML checkbox to specify the XML and select Record
5. Check Fetch on Every Use checkbox to refresh the list of values now
(while setting up QO), report design time as well as report running time.
Keeping it clear will fetch values now (while setting up QO).
Working with Query Objects
Values will
Query Objects
be placed in the QO and will be used at report design time and report run
6. From Display Column dropdown box, select the column to be used to
display value to the user (only when XML is user defi ned).
7. From Value Column dropdown box, select the column that will be used in
filter (only when XML is user defined).
8. Click Save button.
Note: In order to include the look up values, you need to select the
respective checkbox (SQL, XML, Predefined). At a time, SQL, XML as well
as Predefined can be included in list of lookup values. Lookup values‟ list
appears in Values box after clicking Save button.
Modifying a Query Object
On Query page,
1. Open the query object.
2. Make changes where required.
3. Click Save button to save the changes.
Save As a Query Object
On Query page,
1. Open the Query object which already exists.
2. Click Save As button.
3. A Save As dialogue is available. Mention the name of the Query Object.
Click „Options‟ to have access to more properties.
available “Copy Access Rights”.
There is a checkbox
This checkbox is to be checked if the
access rights need to be the same for both Query Objects, source and
target (saved as). Keep the checkbox as unchecked if you want to assign
different access rights for the Query Objects.
Working with Query Objects
Query Objects
Figure 29: Save As in Query Object
4. Click Save. This will close the Save As dialogue after saving the settings.
Deleting a Query Object
On Query page,
1. Open the query object.
2. Click Delete button.
3. When Alert is displayed, click Yes.
The query will be deleted.
Important: When you delete a query, all the reports where this query is
used, will fail to execute.
Query Objects on Repository explorer
You can access a QO from Repository Explorer. Repository Explorer not only
provides hierarchical view of folders and Query Objects within each folder, it also
allows you to carry out many operations on selected QO.
Working with Query Objects
Query Objects
Figure 30: Query Objects on Repository Explorer
You can do following when you select multiple QO at a time:
Set Advanced Properties
Set Access Rights
Copy, paste and cut paste the QO
Delete the QO
If you select only one QO, you can also do following in addition to the above:
Edit the selected QO
Add the selected QO to favorites
Refer to online help to know more on for each of these actions.
Adding a new Query Object
You can create new query object from explorer menu (Explorer menu has
Navigation, Reports, Repository and Favorites). To create a new query object
1. Repository> Query Object
Working with Query Objects
Query Objects
Figure 31: Create Query Object from Repository
2. Repository> Category Name> Query Objects.
Figure 32: Create Query Object after selecting a Category
Working with Query Objects
Query Objects
Figure 33: Create Query Object after selecting a Category and a Query Object
When you select a query object then also you can create a new query object
from the options given as fish eye menu, Edit Query Det ails, Create Query
Object, Advanced Properties etc.
Dynamic definition of Query Object
Intellicus provides the facility of changing the definition of Query Object
dynamically at runtime using the callback code. In a Business scenario if you
want to present a different caption, want to associate a different hyperlink with a
field, want to hide some of the fields based on the person logging into system;
then it is possible using the callback code. This feature benefit s those designers
who want to have a single Query Object designed in Intellicus and want to
present a different picture of that Query Object to the end user based on some
criteria, thus nullifying the need of having multiple Query objects.
1. Create a jar file and place it at <installpath>\Intellicus\ReportEngine\lib
2. Rename the either sampleeventshandlers.xml or
sampleeventshandlers_setup.xml placed at
<installpath>\Intellicus\ReportEngine\Config to eventshandlers.xml.
3. Mention the callback class name which was given in jar file.
Working with Query Objects
Query Objects
Figure 34: Dynamic definition of Query object
Rename the sampleeventshandlers.xml/sampleeventshandlers_setup.xml file to
eventshandlers.xml. Add the Class name implemented by you to this file as shown below:
Figure 35:Rename the xml file
Working with Query Objects
Query Objects
Figure 36: XML file
Qualified Name:
In some cases while applying a filter, fully qualified name of the column becomes
necessary for using in where clause.
The reason for the same could be:
Filtering/Sorting on ambiguous columns or
Filtering on aliases
This is sorted by assisting user in defining a qualified name for the column on
which filtering or sorting is to be applied. The qualified will then be used in filter
and sort clause in SQL query and will allow query to be executed successfully on
Click on Qualified Name textbox and the window will be displayed for you to
mention the name of the field.
Figure 37: Qualified Name
Working with Query Objects
Query Objects
After you have mentioned a Qualified Name you can click OK to proceed
further. If you want to cancel this operation you can click Cancel button. To
reset the Qualified Name click Reset button.
Reusing Query Object SQL in other SQLs
Intellicus has introduced this feature to help you t o now use multiple query
objects as parameters within a single query object. This feature enables a
in saving your considerable amount of time and effort.
As shown in figure we are using an exi sting Query object named as 'country'
while creating a new Query object.
Figure 38: Reusing Query Object SQL in SQLs
Working with Query Objects
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