columnstore Questions
4
Solved
I want to create a clustered columnstore index in a table using the following query:
CREATE CLUSTERED COLUMNSTORE INDEX cci
ON agl_20180319_bck
And I am getting this error:
Msg 35343, Level 16, S...
Proxy asked 19/3, 2018 at 14:33
1
Solved
I have a data set that I want to place in a clustered column store and optimize it for segment elimination when accessing it by a column called SubjectId which is defined as uniqueidentifier type.
...
Errand asked 31/7, 2024 at 21:5
3
Solved
We are conducting a migration project, and looking to replace most Rowstore indexes with Clustered Columnstore indexes for large Data Warehouse. We are adding a unique index on the identity column....
Turenne asked 11/4, 2019 at 18:24
2
I have a Clustered Columnstore Index Table for our IOT metrics (timeseries data). It contains more than 1 billion rows and structured like this:
CREATE TABLE [dbo].[Data](
[DeviceId] [bigint] NOT ...
Hexa asked 5/8, 2017 at 7:44
2
Solved
I need to make some mechanism that checks if a table X is columnstored or not and if it is not to convert it.
I am aware that to convert a table X for example to clustered columnstore index we can...
Chaworth asked 12/3, 2018 at 14:40
3
Solved
I have the following database structure, stored in a relational database:
Two fact tables with ~80 million rows each
Three dimension tables that have between 300,000 - 500,000 rows
Both fact tabl...
Fante asked 31/7, 2017 at 20:47
3
I have a non-clustered columnstore index on all columns a 40m record non-memory optimized table on SQL Server 2016 Enterprise Edition.
A query forcing the use of the columnstore index will perfor...
Oto asked 11/5, 2017 at 12:7
3
Solved
I am confused about the columnstore index.
What is a columnstore index, and how it is different from clustered and non-clustered indexes?
Rapier asked 3/10, 2016 at 9:40
1
I'm planning to create a Non-clustered columnstore index on SQL Server 2014.
But non clustered column store index is read-only and cannot perform DML operations, we need to disable before insert a...
Agnella asked 11/11, 2016 at 17:49
1
Solved
I did found few examples in the documentation where primary keys are created by passing parameters to ENGINE section.
But I did not found any description about any argument to ENGINE, what it means...
Ethelstan asked 31/7, 2016 at 14:8
4
Solved
I have a table with ~200 million rows and ~15 columns in it. I am planning to create the column store index on my table. Will there be any change in performance based on the order of columns that I...
Goldplate asked 2/4, 2012 at 4:47
2
Reading about clustered column store index in SQL Server 2014, I'm wondering if having a table with a huge number of columns is still an anti-pattern.
Currently to alleviate the problem of having a...
Liability asked 4/11, 2013 at 12:25
1
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