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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...
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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...
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Introducing Interleaved Execution for Multi-Statement Table Valued Functions
For SQL Server vNext 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 poor...
View ArticleHow to find query plan choice regressions with SQL Server 2017 CTP2
SQL Server 2017 in CTP2.0 version automatically identifies potential performance regressions in SQL queries, enables you to easily find potential issues, and gives you information what should you do...
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“You Shall Not Regress!!!”– How SQL Server 2017 prevents plan regressions?
SQL plan regression is a case when a T-SQL query that executed fine becomes much slower or uses more resources because the underlying SQL plan changed. SQL Server 2017 would not allow that kind of...
View ArticleSQL Server Replication enhancement in SQL Server 2016
Replication is a widely-adopted feature in SQL Server to copy and distribute data and database objects from one database to another and then synchronizing between databases to maintain consistency. In...
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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 ArticleSQL Server Replication enhancement in SQL Server 2016
Replication is a widely-adopted feature in SQL Server to copy and distribute data and database objects from one database to another and then synchronizing between databases to maintain consistency. In...
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...
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Automatic index management in Azure SQL database
Azure SQL Database has a built-in intelligence mechanism that can automatically tune and improve performance of your queries by dynamically adapting the database schema to your workload. In Azure SQL...
View ArticleAutomatic plan correction in SQL Server 2017
Automatic plan correction is a new automatic tuning feature in SQL Server 2017 that identifies SQL query plans that are worse than previous one, and fix performance issues by applying previous good...
View ArticleSQL Server Replication enhancement in SQL Server 2016
Replication is a widely-adopted feature in SQL Server to copy and distribute data and database objects from one database to another and then synchronizing between databases to maintain consistency. In...
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 ArticleUse WITH clause in OPENJSON to improve parsing performance
OPENJSON function has a WITH clause where you can specify what fields should be extracted from input JSON. This might improve performance of your queries compared to the case where you use OPENJSON...
View ArticleWhat is plan regression in SQL Server?
Plan regression happens when SQL Server starts using the sub-optimal SQL plan to execute some T-SQL query. Usually you will see that some T-SQL query is executing really fast, but then it gets slower...
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