Stats the term ERD
Stats the term ERD?
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Data models are tools utilized in analysis to explain the data requirements and assumptions in the system by a top-down perspective. Also they set the stage for the design of databases later upon in the SDLC.
Explain Batches and Session?
Elucidate Where to keep informatica rejected data? How to remove the informatica rejected data?
What is a derived (artificial) primary key? When must this be used?
You have two tables, STUDENT and COMPUTER which are in a one-to-one relationship. The foreign key is StudNumber in COMPUTER that references StudNumber as the primary key of STUDENT. Describe what must be done to convert the one--to-one STUDENT -COMPUT
Explain the Hash file and the Sequential File?
Briefly describe the differentiation between star and snowflake schemas?
What is the archtetype or instance pattern?
Describe in brief regarding the features of the Sybase IQ?
Explain the term operational data stage (ODS) and data warehouse?
Write down the unsupported repository objects for mapplet?
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