Tagged Questions
2
votes
1answer
92 views
Indexed view not being used - SQL Server [duplicate]
I've a query with multiple joins which takes long time to return data for one date. I've created an indexed view on the same. I set all the required options appropriately, while creating view and ...
2
votes
2answers
488 views
IN Clause causes Execution plan to change from Nested Loops to Hash Match
I'm tuning a query and have discovered some behaviour I'm not clear about.
If I remove the WHERE IN clause the query runs in 3 seconds instead of 3 minutes.
There only 7 rows returned in the ...
1
vote
2answers
614 views
Improving performance of nasty nested-view joins
I have a moderate-sized database spread out over a few tables, the rough architecture is:
Input Data (Data ID, Session ID and a few fields of statistical importance)
Input File (Data ID and a blob)
...
5
votes
1answer
1k views
How to make a union view execute more efficiently?
I have a large table (tens to hundreds of millions of records) that we have split for performance reasons into active and archive tables, using a direct field mapping, and running an archive process ...
2
votes
2answers
237 views
Search on part of a column in a SQL Server cross-database view
I'm currently writing an application that interfaces with a 3rd party vendor's SQL Server 2008 database that I only have read access to. We have a separate database that contains cross database views ...
9
votes
5answers
1k views
How do I query this 20 million record view faster?
For a search functionality I am using a view that has the records from all the tables within which I need to search for. The view has almost 20 million records. Searches against this view are taking ...
