Explain Datastage
Define the term DataStage?
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a) Develop jobs for the purpose of Extraction, Transformation and Loading (ETL).
b) Ideal tool data integration projects like the data marts, data warehouses and system migrations.
c) Import, export, generate and maintain the metadata for use within the jobs.
d) Schedule, run and monitor the jobs all inside Data Stage
e) Administers your Data stage development and the execution environments.
What are the difficulties faced by the database developer during implementing pre compiled statements?
Give us a non-computer illustration of preemptive and also non-preemptive scheduling?
What are the properties of Isoquants?
Explain the term object?
Illustrates the difference between a user’s defined function and a stored procedure?
Illustrates the mobile enterprise application enablement?
Explain the four kinds of indexes?
Define the explaining plan and how is this used?
Explain the calculation contexts?
Describe a surrogate key and also explain the ideal primary key and illustrate how surrogate keys meet up this ideal?
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