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Explain the difference between etl tool and olap tools?
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When you have 2 servers in two different time zone and if you need to extract data from 1 server and load it in another server, how do you go about it? Best method to be used.
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CAN ANY ONE SEND ME THE CODE FOR THE BELOW 1).REMOVE '_' FROM TELE PHONE "323-237-2323" AND SHOULD DISPLAY OUT PUT AS "323237232" 2). NEED TO ONLY "COMPANY.COM" FROM EMAIL FILED "TEST@COMPANY.COM"
Teradata 
