Types of loads in informatica

Full Load

The data is loaded to the Warehouse for the first time.

Incremental Load

Next time onwards incremental load is done. The data is appended to the historical data.

We generally do this type of load.

Refresh Load

Suppose the data loaded is full of errors, entire data is reloaded. In this case only we need the Truncate Target Table Option. Rarely used.

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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

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