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Database Administration Archives - SQL Server Blogs, Events, Webcasts, Videos, SQL Server learning & education Database Administration Archives - SQL Server Blogs, Events, Webcasts, Videos, SQL Server learning & education

Database Administration

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Trace Flag 634 – Disable Background Columnstore Compression

Hi Friends,

In Columnstore Technology, we knows that Column data stores in segments and segments groups together to form the rowgroup. One of the main reason of using Columnstore technology is compression of rowgroups. By default, SQL Server perform compression of closed delta stores. This tasks is done by tuple mover. Which invokes after a […]

Setting SQL Server Start-up Parameters across Multiple Instances

Hello Geeks,

This is the first blog of the part of blogs set I am going to write for next few months. I have been working on a centralized approach for Database Administration. I know this has been mostly the case for bigger organisations. This blog series will target DBAs who are finding difficult to […]

Resource Governor to Control Physical IO

Hi Friends,
Microsoft introduced so many new features and improvements with SQL Server 2014. These features make the life of DBA easier. In addition to these features, One of the improvement provided in SQL Server 2014 is about Resource Governor. Resource Governor is a well-known feature of the SQL Server world to manage the system resource consumption. […]

SQL Server 2016 – Batch Mode Processing with Serial Plan

Hello Friends,

There are lots of features and improvements announced by Microsoft in SQL Server 2016, one of them is providing batch mode processing with 900 rows batch size. SQL Server 2016 uses batch mode processing even if the execution plan is a serial plan which was not possible with previous versions. Due to this […]

SQL Server 2016 – Trace Flag 9453 – Disable Batch Mode Processing

Hello Friends,

In my previous blog post, we have seen the SQL Server 2016 Sort operator with batch mode processing. To compare the performance for Batch mode versus Row mode for Sort operator, I used a trace flag 9347 which disables the batch mode processing for sort operator. Now the question is: Is there any […]

SQL Server 2016 – Sort Operator with Batch Mode Processing

Hello Friends,

There are lots of features and improvements announced by Microsoft in SQL Server 2016, one of them is providing the sort operator with batch mode processing. In the programming world, we know that  performing row by row processing take longer time as compared to perform the same processing in batch mode. If the […]

SQL Server 2016 – New Columns in sys.dm_exec_query_stats

Hello Friends,

There are lots of features and improvements announced by Microsoft in SQL Server 2016, one of them is adding new columns in sys.dm_exec_query_stats. These new columns capture information about threads and memory. First, I’ll show you the new added columns for collecting threads and Degree of parallelism level information.

Here total_dop represent the total […]

SQL Sever 2016 – DBCC CHECKDB WITH MAXDOP

Hello Friends, There are lots of feature and improvements announced by Microsoft in SQL Server 2016, one of them is restricting the number of processors for DBCC CHECKDB. We know that MAXDOP setting is generally taken care by Instance level setting ‘MAX Degree of Parallelism’ under advanced tab of server property. I’ll show you the […]

SQL Server 2016 – Query Time Based Data on Temporal Table

Hello Friends,

In my previous blog posts, we have seen multiple ways for the creation of temporal tables and DML operation impact. Today we will have a look at Query Time Based Data on Temporal Table. First, let me create the table and then I’ll perform some DML operations, so that can query the data.

Now […]

DBCC CLONEDATABASE – Another DBCC command in the List

Hello Friends,

As the part of SQL Server DBA world, we have used many DBCC commands in our workplace like DBCC CHECKDB(), DBCC TRACEON(), DBCC SQLPERF() etc. All these commands make DBA life easier and help us to troubleshooting issues, alerting etc. In the same row, with the announcement of SQL Server 2014 service pack […]

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