how can we perform the 2nd time extraction of client database without accepting the data which is already loaded in first time extraction

1 Answers   Reliance,

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Why we use surrogate key?

0 Answers  

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what is A Datastage?

2 Answers  

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which unix commands mostly used in datastage

3 Answers   HSBC,

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source 1123445 I WANT OUTPUT AS DUPLICATES TO TARGET1 LIKE TARGET1 1144 NON-DUPLICATES TO TARGET2 TARGET2 235

6 Answers   US Technology,

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Which warehouse using in your datawarehouse

0 Answers   IBM,

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1. How many People are part of your Team? 2. Explain how you create jobs or flow of project? 3. Join Stage vs Lookup vs Merge Stage 4. Summation scenario based question - How you find sum of salary for a specific employee (Explain stages and flow of job)? 5. Explain Remove duplicates stage ? Can you do sort in this stage? 6. SQL Questions - Joins - Types, Difference between Join and Union 7. Unix Questions - How you run the Job, How you list all jobs in project 8. Explain Environmental Variables? 9. SQL Scenario - If you have 3 Identical record in a Table, Ex: 1, Ram, Xyz; 1, Ram, Xyz; 1, Ram, Xyz; Delete only 2 of the records and keep only 1 using the Delete query. How you will you do this?

1 Answers  

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how can we validate the flat files using the date in the header and number of records in the flat file? Using both conditions at a time.

0 Answers   JPMorgan Chase,

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What are stage variables, derivations and constants?

0 Answers  

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Hi dude, i/p eno ename date edate deptno 1 x 10thjuly 30july A 2 y 10th aug 30 aug B 1 x 1aug ------ A 3 z 1jan ------ c 2 y 1sep ------ B o/p is eno ename date edate deptno 1 x 1aug ------ A 2 y 1sep ------ B 3 z 1jan ------ c Here edate is System generates we don't know that value. Please design the job by using SCD stage and Sql query. If any body know this answer please tel me. Tanks.

1 Answers   Amdocs,

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if we using two sources having same meta data and how to check the data in two sources is same or not? and if the data is not same i want to abort the job ?how we can do this?

1 Answers   IBM,

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diff between OLTP and OLAP? what TOP-DOWN and BOTTOM-UP Approach? which is best? what are Star Schema and Snow Flake Schema?

2 Answers   TCS,

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