how do you do sql tuning?


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How to fetch/retrieve the data from hieranchical database and put it into the relational database? for e.g I want to extract the data from IMS DB2 database which is a hierarchical db and load that data into the relational database which is a SQL server.Are there any tools available for directing extracting data from hierarchical db and loading into the relational database (SQL server)?

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How many types of locks are present in a database?

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WHAT KIND OF TOOL BO IS?

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What is table scan and index scan?

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what are wrappers and build ups and what it's use?

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What are the advantages of views in a database?

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What is a Transformation?

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I have single column in a file. Input 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15 my output is file 1 have 1,2,3,10,11,12 file 2 have 4,5,6,13,14,15 and file 3 have 7,8,9 how is it possible in datastage

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What the various ways to tune a teradata query

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issues involved in modeling and building data werahouses

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