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  • ETL Interview Questions and Answers

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    ETL Interview Questions & Answers


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    Questions Question: What is governor in cognos framework manager.
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    Questions Question: What is fact less fact table? where you have used it in your project?
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    Questions Question: What are snapshots? What are materialized views & where do we use them? What is a materialized view lo
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    Questions Question: What are the various tools? - Name a few
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    Questions Question: Can we lookup a table from source qualifier transformation. ie. unconnected lookup
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    Questions Question: What is ODS (operation data source)
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    Questions Question: What is the difference between etl tool and olap tools
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    Questions Question: What is the metadata extension?
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    Questions Question: What are the various test procedures used to check whether the data is loaded in the backend, performance of the mapping, and quality of the data loaded in INFORMATICA.
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    Questions Question: I'am new to SAS, can anybody explain the process of extracting data from source systems,storing in ODS and how data modelling is done.
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    Questions Question: Where do we use connected and un connected lookups
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    Questions Question: Where do we use semi and non additive facts
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    Questions Question: What are non-additive facts in detail?
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    Questions Question: What is a staging area? Do we need it? What is the purpose of a staging area?
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    Questions Question: What is a three tier data warehouse?
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    Questions Question: What are the various methods of getting incremental records or delta records from the source systems?
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    Questions Question: What are the various tools? - Name a few.
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    Questions Question: What is latest version of Power Center / Power Mart?
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    Questions Question: What is the difference between Power Center & Power Mart?
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    Questions Question: What are the various transformation available?
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    Latest 10 Answers
    ABAP is basic (technical) side of SAP. which helps other function of business sibe ex.financial,sales,inventory& human resource.
    Cluster index work as a primary key and as we know in a single table only one primary key should be there....Hence only one records can take cluster index.
    Select Employee.*, Department.* from Employee LEFT OUTER JOIN Department ON Employee.EmpId=Department.DeptId
    Both are the connection object but SQLCLIENT using while connect with Sqlserver database and OLEDB using while connect with MS-access database and Oracle database.
    Only 1 cluster index and 255 non cluster index.
    Because it's used to read the data from the DB as Read-only manner, only forward direction not backward..hence its not supporting edit operation.
    I will throw my wife because if my wife dies ican get another but mother is only one I cannot get another
    When mistake is found by compiler is known as ERROR , when a mistake is found by tester while testing is a BUG and when mistake is found by the end user it is known as DEFECT.
    Create customer code & transporter code, create sales order, checke the payment received then released order from Finance, delivery, billing, invoice.
    Invoice is a request sent by vendor for the payment against services/goods with all the necessary details like - Price, Rate, Quantity, Vendor Name, Vendor Address, Unique Invoice Number (From Vendor), Terms & Conditions.

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