41. What does MetaData Respiratory contains? Metadata respiratory contains Definition of data warehouse, Business Metadata, Operational Metadata, Data for mapping from operational environment to data warehouse and the Alorithms for …
31. What is called data cleaning? Name itself implies that it is a self explanatory term. Cleaning of Orphan records, Data breaching business rules, Inconsistent data and missing information in …
21. What is Active Datawarehousing? An active datawarehouse is a datawarehouse that enables decision makers within a company or organization to manage customer relationships effectively and efficiently. 22. What is …
11. What is the difference between View and Materialized View? A view is nothing but a virtual table which takes the output of the query and it can be used …
1. What does the subject oriented data warehouse signifies? A: Subject oriented signifies that the data warehouse stores the information around a particular subject such as product, customer, sales etc. …
11. What Happens when you execute a program? When you execute a program on your UNIX system, the system creates a special environment for that program. This environment contains everything …
1. Brief about the initial process sequence while the system boots up. While booting, special process called the ‘swapper’ or ‘scheduler’ is created with Process- ID 0. The swapper manages …
31. Name two paging states for a page in memory? The two paging states are: The page is aging and is not yet eligible for swapping, The page is eligible …
21. What is “the principle of locality”? It’s the nature of the processes that they refer only to the small subset of the total data space of the process. i.e. …
11. What is Fork swap? “fork()” is a system call to create a child process. When the parent process calls “fork()” system call, the child process is created and if …
