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

SQLServerGeeks Annual Summit 2016 IS HAPPENING IN BANGALORE. HAVE YOU REGISTERED?

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. […]

Sub Query behaviour looks like a bug

While debugging one procedure I came across below Scenario where a sub-query was returning all records from outer query.

Initially I thought it is a bug in SQL server. As COL1 column is not part of Table2 , it should fail binding stage and throw error. But it returned all 20 records from Table1. Though […]

AWS RDS for SQL Server – Cheat Sheet

Hello Friends!

Back to you again with my all together new pick, Amazon Relation Database Service. Ah! interest, some of you might be wondering is this topic has nothing to do with SQL Server. Yes / NO ?

Working with RDS for few years and most of cases got to know from many of beginners or intermediate […]

By |November 5th, 2016|Categories: SQL Server||0 Comments

SQL Server – Join Operation

In this blog we’ll find how SQL Server works when we do join operation. SQL Server optimizer chooses one of the below physical operator to perform logical join operation.

Hash Match
Merge Join
Nested Loop Join

As far as performance is concern let me tell you, we can’t say which one will best.Each operator has its own advantages […]

Don’t use ISDATE() function to check valid Date

I got the below email from one of my teammate on ISDATE() function.

Thanks to him for asking me the question. I do not have any idea on this behaviour of  sql server. I gone through the MSDN documentation and  got to  know, why SQL Server behaves like this.

select ISDATE(’08/16/013′) returns true because here it […]

By |October 11th, 2016|Categories: SQL Server, Transact-SQL|Tags: , , , |0 Comments

SQL SERVER – Trace Flags

To know about a topic we usually ask questions. Here I used the same method to explain about trace flags of SQL Server.

Below are some basic questions and its answers on this.

What is the use of Trace Flag?

Trace Flags are used to enable or disable certain functionality of SQL server temporarily. It is used to […]

By |September 29th, 2016|Categories: SQL Server, Transact-SQL|Tags: , , |0 Comments

Row Level Security in SQL Server 2016

Row Level Security in SQL Server 2016 – Allow access to Subset of Records.

There might be requirement to provide security at the record or row level, you will able to do this Row Level Security feature that is introduced with newer version of SQL Server i.e.; SQL Server 2016. In this post, I […]

By |September 20th, 2016|Categories: SQL Server||0 Comments

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 Always ON and Change Data Capture: Friends or Foes?

I talked about Always ON and Change Data Capture in one of the Open Talks at recently concluded SQLServerGeeks Annual summit – 2016. The topic of discussion was Always ON and Change Data Capture: Friends or Foes? I thought its worth a write as well because this combination is very less talked about.

Let me […]

By |September 16th, 2016|Categories: SQL Server||2 Comments

Read-Write Concurrency in SQL Server Analysis Services

Hello Friends and Geeks,

I write this blog when the tallest Ganesh of Hyderabad is on the way for Immersion.

Coming to the topic for this post

Most of us know, how read/write concurrency and locking works with SQL Server Database Engine.

Ever wondered what would be the locking pattern for Processing and Querying concurrency for SQL Server Analysis Services (SSAS)

The […]

By |September 15th, 2016|Categories: SQL Server||0 Comments
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