When must you seem de-normalization
When must you seem de-normalization?
Expert
Denormalization is used while there are very many tables involved into retreiving data. Denormalization is completed in dimensional modelling utilized to construct a data ware house. It is not usually done for data bases of transactional systems.
Explain the master/detail reports?
Write down a brief note on the differentiation between informatics8x and 7x and what is newest version?
What the difference between sequential file stage and hashed file stage is in relates to DataStage Server?
What are the improved features in Teradata V2R5/6?
Give details why an information gap exists in most organizations?
Define the way of passing of variables to a SQL routine.
Specify the user profiles within the Supervisor?
Explain why it is still essential to have at least certain familiarity with file processing systems even although it has become apparent that traditional file processing systems contain a number of shortcomings and restrictions.
Describe how we can add a NOT NULL column to a table?
Write down the steps for transforming an entity into a table?
18,76,764
1928349 Asked
3,689
Active Tutors
1453894
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!