Interested to Buy Any Domain ? << Click Here >> for more details...
what is materialised view? why we use it in data warehousing?
- 5 Answers
- 10662 Views
- HCL, I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
Answer / c.venkataramana gupta
->Meterialized view is DBA object
-> to create meterializd view need dba perimission(previlege)
->it holds the static data (changes on table will not reflected on view)
-> at time of creating the data is stored in meterialized view, when ever another new record is not restricted.
-> no dml operations allowed
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / suman palisetty
Materialized Views are objects which have information that has been aggregated and summarized from source tables.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / gopal
MT views is a table which occupies space when ever we update it doesn't update in parent table we need to write a command to refersh the data in to parent table
Mainly used for Pre-aggregated Calculations....
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / ram
Materialised view will stores the results of sql in the tables form in the database. materialised view contains data physically.view doesn't contain data physically.materialised view will be updated with batch upted know as refreshes.
| Is This Answer Correct ? | 0 Yes | 0 No |
Answer / manoj
Materialized view contains special cache to store the data
and structure of the table.
it improves the perrformance becuase when we write the
query every time data is not feched from the base table
i.e. we will use in Datawarehouse.
| Is This Answer Correct ? | 0 Yes | 2 No |
What is Tool Tip? and how to create in report studio?
Is it possible to join multiple Databases in a Catalog?
Hi, In My Table i am having a Column Emp ASa Fullname In My Report I WAnt First name&Lastname?how I'll Get This One?Pls Ans Me
how to improve performance in report studio level
How do we run stored procedure?
i have one file i saved in csv how can i take these file into framework manager
Use of Text Source Variable in Report Studio?
if ur report having report filter save the report.open u r report in cc the report filter doesnt work means it does n't any values what we do for this situation?where we rectify this?please please ans me......
what is the difference between list report and crosstab report?
What is difference between informatica power mart and power center?
What is the difference between drill down and drill through?
10 Answers DELL, Deloitte, Systime,
What is architectue of Cognos 8
Teradata 
