Eg: Suppose on my Unix server I have 24 CPUs and I have to restrict to only 10 CPU utilization by Ab Initio script at runtime.
Latest Answer : we can use 'N' number of fact tables in a Project.but,it depends as per our requirements or cleint specifications.......so, be sure that what r the cleint specifications..........its all as per my knowledge........... ...
How should we decide how many fact tables should be built for a DW?
What are lookup tables? Why they are used? Where they are used?
Latest Answer : When a foreign key exists in a table, the foreign key’s table is sometimes referred to as a lookup table. The DEPARTMENT table in our example is a lookup table for the EMPLOYEE table. The value of an employee’s department can be looked up ...
What is Cardinality? What are the different types of Cardinality? How will you define Cardinality to outer join, left join, right join, inner join, fact to fact and dimension to dimesion?