What is Columnstore index SQL Server 2014?

What is Columnstore index SQL Server 2014?

A Columnstore index is a useful SQL Server performance enhancement option that reduces the IO cost of data warehouse and BI workload queries, by storing the data as column-store compressed fashion and processing the data in batches.

When should I use a Columnstore index?

Columnstore indexes give high performance gains for analytic queries that scan large amounts of data, especially on large tables. Use columnstore indexes on data warehousing and analytics workloads, especially on fact tables, because they tend to require full table scans rather than table seeks.

Is SQL Server 2014 still supported?

SQL Server 2014 reached its end of life on 9 July 2019 and its extended support will end on 9 July 2024.

How do I create a Columnstore index in SQL Server 2014?

Create SQL Server Columnstore Non-Clustered Index In SSMS, expand the Kids1 table and right click on Indexes, select New Index and click on Non-Clustered Columnstore Index as shown below. Click the Add button and we will get a screen as shown below.

What is columnstore index SQL Server?

Columnstore index is a new type of index introduced in SQL Server 2012. It is a column-based non-clustered index geared toward increasing query performance for workloads that involve large amounts of data, typically found in data warehouse fact tables.

What is true about columnstore index?

How do you know which columns need indexing?

Columns with one or more of the following characteristics are good candidates for indexing:

1. Values are unique in the column, or there are few duplicates.
2. There is a wide range of values (good for regular indexes).
3. There is a small range of values (good for bitmap indexes).

How Long Will SQL Server 2014 be supported?

Support Dates

Listing	Start Date	Extended End Date
SQL Server 2014	Jun 5, 2014	Jul 9, 2024

What version of SQL Server is 2014?

12.00
SQL Server Versions and Build Numbers

SQL Server Version	RTM Build Number
SQL Server 2016	13.00.1601.5
SQL Server 2014	12.00.2000.8
SQL Server 2012	11.00.2100.60
SQL Server 2008 R2	10.50.1600.1

What is CCI in SQL?

First introduced: SQL Server 2012. Clustered Columnstore Index (CCI) aka In-Memory Analytics. A CCI is column-based data storage designed to reduce data storage and improve query performance for data warehousing scenarios. CCIs are most suitable for tables with well above 1 million rows.

What is indexing in SQL Server?

An index contains keys built from one or more columns in the table or view. These keys are stored in a structure (B-tree) that enables SQL Server to find the row or rows associated with the key values quickly and efficiently. SQL Server documentation uses the term B-tree generally in reference to indexes.