Columnstore Index: Why do I need to create clustered columnstore Index on...
Please refer to this blog under MSSQL Tiger Team blog site Columnstore Index: Why do I need to create clustered columnstore Index on In-Memory OLTP- tables for Analytics? Thanks Sunil Agarwal
View ArticleCREATE OR ALTER – another great language enhancement in SQL Server 2016 SP1
We are happy to announce that SQL Server 2016 SP1 and SQL Server v.Next have new T-SQL language statement – CREATE [OR ALTER]. This statement combines CREATE and ALTER statements and creates object if...
View ArticleIn-Memory OLTP in Standard and Express editions, with SQL Server 2016 SP1
We just announced the release of Service Pack 1 for SQL Server 2016. With SP1 we made a push to bring a consistent programming surface area across all editions of SQL Server. One of the outcomes is...
View ArticleColumnstore Index: Standard and Express editions with SQL Server 2016 SP1
I am sure you all have heard the exciting news that SQL Server 2016 SP1 supports Common Programming Surface Area (CPSA) across all features. And, YES, that includes columnstore index. Please refer to...
View ArticleClik here to view.
Introducing Batch Mode Adaptive Memory Grant Feedback
SQL Server uses memory to store in-transit rows for hash join and sort operations. When a query execution plan is compiled for a statement, SQL Server estimates both the minimum required memory needed...
View ArticleClik here to view.
Transaction Commit latency acceleration using Storage Class Memory in Windows...
SQL Server 2016 SP1 adds a significant new performance feature, the ability to accelerate transaction commit times (latency) by up to 2-4X, when employing Storage Class Memory (NVDIMM-N nonvolatile...
View ArticleColumnstore Index Perfomance: Column Elimination
Columnstore Index Performance: Column Elimination Thanks Sunil
View ArticleColumnstore Index Performance: Rowgroup Elimination
Columnstore Index Performance: Rowgroup Elimination Thanks Sunil Agarwal SQL Server Tiger Team
View ArticleColumnstore Index Performance: Batch Mode Execution
Just posted the following blog as part of SQL Tiger team blog. I will continue with this series with many other performance specific changes done in SQL Server 2016 Columnstore index Performance:...
View ArticleClik here to view.
SQL Server R Services – Why we built it
This is the first post in a series of blog posts about SQL Server R Services. We want to take you behind the scenes and explain why we have built this feature and deep dive into how it works. Future...
View ArticleColumnstore Index Performance: SQL Server 2016 – Multiple Aggregates
SQL product team has made significant improvements in columnstore index functionality, supportability and performance during SQL Server 2016 based on the feedback from customers. This blog series...
View ArticleClik here to view.
JSON data in clustered column store indexes
Clustered column store indexes (CCI) in SQL Server vNext and Azure SQL Database support LOB types like NVARCHAR(MAX), which allows you to store string with any size, including JSON documents with any...
View ArticleExporting tables from SQL Server in json line-delimited format using BCP.exe
Line-delimited JSON is one common format used to exchange data between systems and for streaming JSON data. SQL Server can be used to export content of tables into line-delimited JSON format....
View ArticleClik here to view.
Extreme 25x compression of JSON data using CLUSTERED COLUMNSTORE INDEXES
CLUSTERED COLUMNSTORE INDEXES (CCI) provide extreme data compression. In Azure SQL Database and SQL Server vNext you can create CCI on tables with NVARCHAR(MAX) columns. Since JSON is stored as...
View ArticleImport and analyze IIS Log files using SQL Server
IIS generates logs where are recorded many information about HTTP requests such as what Url was called, when the request happened, what is the origin, etc. If you want to analyze information from log...
View ArticleParsing 4GB JSON with SQL Server
SQL Server 2016 and Azure SQL Database enable you to parse JSON text and transform it into tabular format. In this post, you might see that JSON functions can handle very large JSON text – up to 4GB....
View ArticleSQL Server 2016 Developer Edition in Windows Containers
We are excited to announce the public availability of SQL Server 2016 SP1 Developer Edition in Windows Containers! The image is now available on Docker Hub and the build scripts are hosted on our...
View ArticleLoading files from Azure Blob Storage into Azure SQL Database
Azure SQL Database enables you to directly load files stored on Azure Blob Storage using the BULK INSERT T-SQL command and OPENROWSET function. Loading content of files form Azure Blob Storage account...
View ArticleComparing performance of data access libraries using StackExchange/Dapper...
One of the most important questions that you need to answer in your projects is what data access library you should use to access your data in SQL Server database. One of the benchmarks that you can...
View ArticleClik here to view.
Introducing Batch Mode Adaptive Joins
For SQL Server 2017 and Azure SQL Database, the Microsoft Query Processing team is introducing a new set of adaptive query processing improvements to help fix performance issues that are due to...
View Article