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 and compare OBE and SQL?
Explain the group by in select statement? Answer: Group by clause is utilized in Teradata to eliminate repetitive values in a column or group of columns, while we se
Explain how teradata ensures that there are no duplicate rows being inserted when it’s a SET table?
Explain briefly the term an outer join?
Describe briefly How can we configure mapping in the informatica?
Describe some of the chrematistics of good data definitions.
Explain the term local container and shared container?
Illustrates the term heap in data structures?
Describe briefly the term Session and Batches?
Specify the various components of the Report Net?
18,76,764
1942369 Asked
3,689
Active Tutors
1434373
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!