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OBIEE Comprises Presentation
Services,Oracle BI Server:
The user constructs sql and passes it to
the Anal tic En ine and then the Oracle
1. Explain the Architecture of OBIEE11g and function of each components?
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BI (Analytic Engine) describes the
physical sql to the Datasources and
recover the data back to the Engine and
presents to the presentation Services .
There are many ways to extract the sql:
a. Change the request and click
Advanced in that you get xml code and
also the actual sql.
b. In the catalog Manager click Tools-
Create Report . In the Create Report
Window –> Click Request SQL and save
the sql to the physical path in your PC.
c. Enable Loglevel to 2 in the OBIEE 11g
Administration Tool from Manage->
Security and enable the log level to 2 by
clicking properties for the user, then go
to the NQQuery.log in
BI_HOME/OracleBI/Server/Logs.You will
find the SQL for that User.
d. By clcking Administration->Manage
sessions-> view sql.
Click on modify and then click on sort
2. How we can extract sql fromOBIEE for reports?
3.How can you sort in Reports in OBIEE
11g?
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or er y con on t e re evant co umn
in the criteria pane.
By clicking modify request and NarrativeView and by giving @1 for the first
column result and @2 for the 2nd
column and so on and we can also give
a heading for No Results by clicking the
Narrative view.
By clicking on Administration and
Manage dashboards and by adding
column selector we can create
interactive Dashboard.
We can give a column as updatable and
then view the reports,this option is
called write back option.
By clicking Direct Database Request
4.How we can do different types of
narrative Reports in OBIEE?
5.How will you create Interactive
Dashboards ?
6.What is write-back in obiee ?
7.How will you execute Direct SQL in
OBIEE?
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execute Direct SQL in OBIEE.
From the Criteria Pane of the ReportCreated from First Subject Area
come to the bottom of the page and
click combine request. By this we can
create report from two subject areas.
For the RPD we can use the Merge
option in Admin Tool and for
dashboards and reports we can use
Content Accelerator Framework.
There are two types of variables in
OBIEE 11g.a. Repository variable:
This variable is used for the whole
repository.
b. Session variable:
session variable are of two types:
8.How OBIEE Developer can create
report from two subject areas?
9.How we can Port changes for
dashboards, reports, rpd from
development to production?
10.What are the different types of
variables in OBIEE 11g? explain
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sys em var a e an non sys em
variable.
System variable uses NQ_SESSION.
Examples of non system variables are
user defined filters.
In the NQSConfig.ini file use ENABLE
under CACHE Section for System Level
For tables, if we want to enable the
cache at table level , open the repository
in offline mode This should be different
from the current repository and clickenable or disable the cache .
Check if the table is already existing if so
add in physical layer ,then click on BMM
and then Presentation layer, then reload
server metadata ,then it will be visible to
all users.
11.How will you enable or disable
caching in the system level and table
level?
12.How will you go about adding
additional column to the repository in
the presentation layer?
13.How will effect the changes for a
report , if for certain users only the
column heading in the report should
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Using session variables for that user.
Table alias is used for creating self joins.
Table alias can be created by right
clicking the table in the physical layer
then click alias.
Yes, we can create hierarchy in BMMLayer of OBIEE in dimensions for the
dimension tables. This can be done by
right clicking the dimension table and
click create dimension and then we can
manually define the hierarchy and its
levels.
Level-base metrics means, having a
measure held at a certain level of the
dimension. Examples Monthly Total
Sales or Quarterly Sales
To create a level based measure, create
be changed?
14.What is a table alias in OBIEE 11g?
Where and how will you create it?
15.Have you created Hierarchy in
OBIEE 11g. if so where and how?
16.What is Level Based Metrics? How
we can create it?
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a new logical column based on the
original measure .Drag and drop the
new logical column to the appropriate
level in the Dimension hierarchy.
• Physical Layer,
• Business Model
• Mapping Layer
• Presentation Layer.
Authentication is the procedure by
which a system confirms, through the
use of a user
a. Operaing system authentication
b. External table authentication
c. Database authentication
d. LDAP authentication
If we want to connect two tables where
there is no relationship we can use a
thrid bridge table for connecting them
which will have same columns in both
tables.
17.What are the different layers of
OBIEE 11g Repository?
18.What is Authentication? How many
types of authentication.
19.What is a bridge table ?
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Using Scheduler – ibots we can generate
time based triggered report.
Ibot is an arrangement agent, used to
arrange reports to be sent across many
devices such as email, pager, mobile,
other devices etc
1. Complex Join –it uses multiple
conditions, such as A.ROW_WID =
B.ROW_WID AND / OR A.A_WID =
B.B_WID
2. Natural Join
Using confirmed dimensions,we can
fetch many metrics across various facts,
but the join should be of same level of
data detail.
20.How Time based triggered report
can be generated?
21.What is ibot?
22.What are different types of joins
that are possible in OBIEE RPD?
23.How we can have two different
columns from two different tables or
subject areas?
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Shared Folders-XYZ Folder- It have two
folders
a. Promptsb. Reports
By clicking on the cancel button, we can
stop a exact report placed on thedashboard.
A surrogate key is an artificially
generated key, usually a number. A
surrogate key, in the level aggregate
table, simplifies this join and removes
unnecessary columns from the fact
table, resulting in a smaller-sized facttable.
24.How can we use saved filters and
where we will save the filters?
25.Have you worked in dashboard?
when we run a dashboard? how will
we stop the dashboard report run
automatically?
26.Define surrogate key.
27.Define repository in terms of Siebel
Analytics.
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. epos ory s ores e e a a a
information. Siebel repository is a file
system ,extension of the repository file.
rpd.
META DATA REPOSITORY
2.With Siebel Analytics Server, all the
rules needed for security, data
modeling, aggregate navigation, caching,
and connectivity is stored in metadata
repositories.
3.Every metadata repository can store
many business models. Siebel Analytics
Server can access many repositories.
Siebel Analytics life cycle
1. Collect Business Requirements
2. Recognize source systems
3. Plan ETL to load to a DW if source
data doesn’t exist.
4. Build a repository
5. Build dashboard or use answers for
reporting.
6. Define security
7. Based on performance, decide an
aggregations and/or caching
mechanism.
8. Testing and QA.
28.Explain the end to end life cycle of
Siebel Analytics?
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There are five parts of Siebel
Architecture.
1. Clients
2. data sorces
3. Siebel analytics Web Server data
sorces
4. Siebel analytics scheduler
5. Siebel analytics server
o Metadata represents the analytical
Model which is created using the siebel
Analytics Administration tool.
o Repository divided into three layer
1. Physical – Signifies the data Sources
2. Business – copies the Data sources
into Facts And Dimension
3. Presentation – Specifies the users
view of the model ; rendered in Siebel
answer.
In the BMM layer,we can create one
logical table (fact) and add the 3 fact
table as logical table source.
29.How does Siebel Architecture
works? Explain the three layers.
30.If we have 3 facts and 4 dimension
and we need to join would you
recommend joining fact with fact? If no than what is the option?
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: connection pool is needed for each and
every physical database.o It contains material about the
connection to the database, not the
database itself.
o We can use either shared user
accounts or pass-through accounts -
Use: USER and PASSWORD for pass
through .
o We can have many connection pools
for each group to avoid waiting
Java Development Kit (JDK), is a software
package that contains the minimal set of
tools needed to write, compile, debug,
and run Java applets.
An opaque view is a physical layer table
that contain select statement. An
31.What is connection pool and how
many connection pools did we have in
our last project?
32.Define JDK and why do we need it?
33.Oracle doesn’t recommend Opaque
Views because of performance
considerations, so why/when do we
use them?
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opaque v ew s ou e use on y
there is no other option.
No we cant migrate the presentationlayer to a different server rather we
have to migrate the whole web & rpd
files
Dimension tables contain descriptions
about data analysts which is used as
query in the database. Every table
contains a primary key that contains one
or more columns; each row in a table is
uniquely identified by its primary-key
value or values
To improve the performance and query
response time we have multiple LTS in
BMM.
34.Can we migrate the presentation
layer to a different server.
35.How we can identify the dimension
tables and how we can decide them
during the Business/Data modeling?
36.Why do we have multiple LTS in
BMM layer?What is the purpose?
37.What is the full form of rpd?
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There is no full form for rpd as such, it is
just a repository file which is known as
Rapidfile Database.
We can disable cache in the physical
layer, by right clicking on the table there
we can have the option which define
cacheable
We have to make a dubbed table in the
physical layer.
TCP/IP type protocol.
Yes, we can have multiple data sources
in Siebel Anal tics.
38.How we can disable cache for only
2 particular tables?
39.How we can split a table in the rpd
given the condition. ( the condition
given was Broker and customer in thesame table) Split Broker and
customer.
40.What type of protocol did we use in
SAS?
41.Can we have multiple data sources
in Siebel Analytics?
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By using expression builder we cancreate case statement when…then.. end
.
o Init blocks are used for instantiating a
session when a user logs in.
o To make dynamic variable we have to
create IB to write sql statement.
o It is utility of OBIEE /Seibel Admin tool
o allows us to examine the repository
metadata tool
o It Examine relationship between
metadata objects like which column in
the presentation layer maps to whichtable in physical layer
o for example: search for objects based
on name,type.
42.How we can deal with case
statement and expressions in siebel
analytics?
43.What do you know about
Initialization Blocks?
44.Explain query repository tool?
45.How can you bypass siebel
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It can by-passed by setting
authententication type in NQSCONFIG
file in the security section
as:authentication_type=bypass_nqs.instan
and nqsconfig.ini are the 2 places
We can add groups by going to
manage>security>add new groups> We
can give permissions to a group for
query limitation and filter conditions.
We can do Aggrigation navigation ,level
base matrics, time series wizard, create
new logical column, comlex join.
Passwords for userid are in siebel
analytics server repository .
Pipelines are the stages in a particular
contract, valuation, economics etc.
46.Where we can add new groups and
set permissions? Explain what is R?
47.What are the things we can do in
the BMM layer?
48.Where are passwords for userid?
49.Define pipeline.
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The key configuration files in OBIEE 11g
are NQSConfig.ini, NQSCluster.ini,
odbc.ini, instanceconfig.xml
Oracle BI Enterprise Edition (sometimes
simply referred to as Oracle Business
Intelligence) provides a full range of
business intelligence capabilities that
allow you to:
• Collect up-to-date data from yourorganization
• Present the data in easy-to-understand
formats (such as tables and graphs)
• Deliver data in a timely fashion to the
employees in your organization
The Oracle BI Presentation Catalog
stores the objects, such as analyses,
dashboards, and KPIs, that you and
other users create using Oracle BI EE.
Users have their own personal folder
(My Folders), where they can store the
50.What are the Key Configuration
Files in OBIEE?
51. Give a brief introduction of OBIEE?
52. What Is the Oracle BI Presentation
Catalog?
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objects that they create. The objects in a
personal folder can be accessed only by
the user who created and saved the
content into that folder. Users can add
sub-folders to their personal folders to
organize their content in the way that isthe most logical to them.
You can also store objects in shared
folders where other users or groups can
access the objects. A combination of
business logic security,catalog object
security, and data level security
determines who has the ability to view
data and objects, edit objects, and
delete objects from the catalog. Your
administrator creates and maintains the
catalog’s shared folder structure.
Oracle Business Intelligence Enterprise
Edition (OBIEE) 11g is the most
significant release of OBIEE since 2006.
Oracle Business Intelligence is now
more integrate with the Oracle Fusion
Middleware software family.
53. What is OBIEE 11G?
54. Explain the main features of OBIEE11G?
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Application Server and Oracle
Containers for Java (OC4J).
Oracle Business Intelligence 11g
Installer replaces the installer that was
used in previous versions of Oracle
Business Intelligence. It can performsoftware installation and configuration
steps in the same process or separately
in their own processes
This release add the following
administration command-line utilities:
Oracle WebLogic Server scripting tool
(WLST) for managing the Oracle
WebLogic Server domain.
OPMN and the opmnctl commands forthe Oracle Process Manager and
Notification Server.
A database repository must be created
before installation of the components
with the Repository Creation Utility
(RCU) tool
Log centralization via the web log viewer
In addition, Oracle Business Intelligence
is now deployed in a clustered
configuration by default. Because of
this, the default ODBC DSN for the
Oracle BI Server points to the Cluster
Controller by default, rather than to the
Oracle BI Server
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An Oracle BI application consists of pre-
built, industry-specific Oracl e BI
interactive dashboards and Oracle BIreports that are built using industry best
practices and address key functional
areas within an organization. Oracle BI
applications are integrated with
operational applications to provide
business metrics in reports, in context
with an organization’s business function
and industry.
Oracle BI applications include Extract
Transform Load (ETL) routines to
extract, transform, and load data into
the Oracle Business Analytics
Warehouse.
• Security in Oracle BI:
OBIEE allows a high degree of control
over access to elements in Oracle BI
applications. The security mechanism
comprises Business logic object security,
Presentation Catalog object security andData level security.
• Drilling Down in Oracle BI:
In OBIEE, you can drill down from a
dashboard or report to an actual item in
the database. For example, if you work
55. Explain Oracle Business
Intelligence Applications?
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in sales, you can drill down to the city
level within a sales report, and observe
that there is a large sale pending in
Paris. If you are using an Oracle Siebel
operational application, you can then
drill down on the pending sale and go
directly to that opportunity in the Oracle
BI application.
Repository stores the Meta data
information.The extension of the
repository file is “.rpd”.With OBIEE
Server, all the rules needed forsecurity,data modeling, aggregate
navigation, caching, and connectivity is
stored in metadata repositories. Each
metadata repository can store multiple
business models. OBIEE Server can
access multiple repositories
Repository is divided into three layer,
• Physical – Represents the data Sources
• Business – model the Data sourcesinto Facts and Dimension and apply
business logic
• Presentation – Specifies the user’s view
of the data rendered in OBIEE answers
client
56. Define repository in terms of
OBIEE?
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OBIEE life cycle:
• Gather Business Requirements
• Identify source systems• Design ETL to load data to the Data
Warehouse
• Build a repository
• Build dashboards and reports
• Define security (LDAP or External table)
• Based on performance, decide on
aggregations and/or caching
mechanism.
• Testing and QA.
An Alias table is a physical table with the
type of Alias. It is a reference to a
physical table, and inherits all its column
definitions and some properties from
the physical table. A logical table source
shows how the logical objects aremapped to the physical layer and can be
mapped to physical tables, stored
procedures and select statements. An
alias table can be a reference to any of
these logical table source types.
57. What is the end to end life cycle of
OBIEE?
58. What is the purpose of Alias
Tables?
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Alias Tables can be an important part of
designing a physical layer. The following
is a list of the main reasons to create an
alias table:
• To reuse an existing table more than
once in your physical layer (without
having to import it several times)
• To set up multiple alias tables, each
with different keys, names, or joins
• To help you design sophisticated star
or snowflake structures in the business
model layer. Alias tables are critical in
the process of converting ER Schems to
Dimensional Sachems.
Authentication is the process by which a
system verifies a user with the help of a
user ID and password. It checks if user
has the necessary permissions and
authorizations to log in and access data.
There are 4 main types of Authentication in OBIEE:
• Operating system authentication
• External table authentication
• Database authentication
• LDAP authentication
59. What is Authentication? How manytypes of authentication do we have in
OBIEE?
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Aggregate tables store pre-computed
results, which are measures that havebeen aggregated (typically summed)
over a set of dimensional attributes.
Using aggregate tables is a very popular
technique for speeding up query
response times in decision support
systems.
Ex: If you observe that most of the
queries are fired on aggregated values
like yearly or monthly data rather that
day level data then to speed up the
report we can create an aggregate table
containing month level and year level
data and map it to the respective logical
table and set the aggregation levels in
the content tab of LTS.
Session variables are similar to dynamic
repository variables in that they obtain
their values from initialization blocks.
Unlike dynamic repository variables,
however, the initialization of session
60. What is aggregate navigation? How
do you configure the Aggregate tables
in OBIEE?
61. Difference between a session and
repo variable?
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variables is not scheduled. When a user
begins a session, the Oracle BI Server
creates new instances of session
variables and initializes them.
A repository variable has a single value
at any point in time. Repository
variables can be used instead of literals
or constants in Expression Builder in the
Administration Tool. The Oracle BI
Server substitutes the value of the
repository variable for the variable itself
in the metadata.
Unlike a repository variable, there are as
many instances of a session variable as
there are active sessions on the Oracle
BI Server. Each instance of a sessionvariable could be initialized to a
different value.
OBIee can be plugged on Relational
Databases, Cubes or Flat files, with the
following constraints :• The sources must be modeled as star
schemas or snowflakes schemas in
order to have an efficient and safe
behavior.
• In case of multiple sources directly in
62. What kind of sources can be
connected to OBIee?
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,
OBIee will conduct the needed joins
itself, and OBIee is not a database.
Rahul says:
DECEMBER 20, 2015 AT 3:47 PM
(HTTPS://INTELLIPAAT.COM/INTERVIEW-
QUESTION/OBIEE-INTERVIEW-
QUESTIONS/#COMMENT-16430)
It is a nice collection of questions. Thanks.
reply
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