What is the Use of BMM Layer in OBIEE 11g

1. Use to create new logical Columns.

2. Can create complex joins, outer joins, and inner joins.

3. Can create Time series functions, aggregate functions of measures.

4. Can create Level Based Measures (LBM).

5. Can create dimensional hierarchy.

6. Aggregate persistence wizard can be done in BMM layer.

7. Can create new logical table sources (LTS).

8. Minimize the use of Snow-Flakes

9. Whenever you do Consistency Check, Right Click the Changed Business Model Object and go for Check Consistency rather than using the Global Consistency Check. This will minimize the time needed for Consistency Check

10. Minimize the use of Conditional Checks and ‘CASE WHEN’ usage in the formula of Logical Columns. This will affect performance. Instead make proper use of the where clause Content filter of the LTS if the condition applies to all the columns/measures in the logical table

Comments

Contact Me

Do You have any queries ? If you are having any query or wishing to get any type of help related Datawarehouse, OBIEE, OBIA, OAC then please e-email on below. I will reply to your email within 24 hrs. If I didn’t reply to you within 24 Hrs., Please be patience, I must be busy in some work. kashif7222@gmail.com

Top 130 SQL Interview Questions And Answers

1. Display the dept information from department table. Select * from dept; 2. Display the details of all employees Select * from emp; 3. Display the name and job for all employees Select ename ,job from emp; 4. Display name and salary for all employees. Select ename , sal from emp; 5. Display employee number and total salary for each employee. Select empno, sal+comm from emp; 6. Display employee name and annual salary for all employees. Select empno,empname,12*sal+nvl(comm,0) annualsal from emp; 7. Display the names of all employees who are working in department number 10 Select ename from emp where deptno=10; 8. Display the names of all employees working as clerks and drawing a salary more than 3000 Select ename from emp where job=’clerk’and sal>3000; 9. Display employee number and names for employees who earn commission Select empno,ename from emp where comm is not null and comm>0. 10

Informatica sample project

Informatica sample project - 1 CareFirst – Blue Cross Blue Shield, Maryland (April 2009 – Current) Senior ETL Developer/Lead Model Office DWH Implementation (April 2009 – Current) CareFirst Blue Cross Blue Shield is one of the leading health care insurance provided in Atlantic region of United States covering Maryland, Delaware and Washington DC. Model Office project was built to create data warehouse for multiple subject areas including Members, Claims, and Revenue etc. The project was to provide data into EDM and to third party vendor (Verisk) to develop cubes based on data provided into EDM. I was responsible for analyzing source systems data, designing and developing ETL mappings. I was also responsible for coordinating testing with analysts and users. Responsibilities: · Interacted with Data Modelers and Business Analysts to understand the requirements and the impact of the ETL on the business. · Understood the requirement and develope

Datawarehouse Architect

Search This Blog