SQL Server Brain Basher of the Week #011 - DBCC
An interview question.What does DBCC stand for? When classes related to Administration are being conducted, I always ask this question and as expected, I always get the same answer which is wrong....
View ArticleClik here to view.
I want an execution plan optimized for my value, not for the value passed for...
Since I got few questions on the posts written on stored procedure in last two weeks, thought to make few more posts on the same based on questions asked. One question asked was Can we make sure that...
View ArticleClik here to view.
How to take a copy of database files while they are being used by SQL Server
I am sure that you have tried this at least once and have face the below issue. Generally, we cannot copy database files or log files when they re being used by SQL Server, simply when the SQL Server...
View ArticleClik here to view.
What are the reasons for introducing a surrogate key to a dimension table?
When designing a dimension table such as Product and Employee in a data warehouse, a surrogate key is introduced for implementing an unique column for identifying each row uniquely in the entity. Even...
View ArticleClik here to view.
What is a Junk Dimension?
Dimension represents entities that will be used for analyzing facts in the data warehouse. There are different type of dimensions like Regular, Slowly Changing, Self-Referencing and Junk. Many know...
View ArticleSQL Server Brain Basher of the Week #012 - Partitions
While I was discussing Partitioning with one of my discussions in this week, one enthusiast asked whether how many partitions can be created per table. Before answering, I asked the same from the...
View ArticleClik here to view.
Analysis Services, Integration Services and Reporting Services menu items in...
If you need to connect with Business Intelligence services via Management Studio, you use Connect menu in the Object Explorer. Generally this is what you see with it; However, what if you see them...
View ArticleClik here to view.
Fact Table: Clustered index on date key is enough or partitioning should be...
Fact table in a data warehouse (or a large table in an OLTP database) always holds millions of records and we keep on adding records largely. Generally, it is discouraged to add indexes and...
View ArticleHow to decide the number of data files required for tempdb?
If your tempdb is used heavily and experiences some slow performance with it, adding multiple data files might help to improve the overall performance of tempdb. Having multiple data files addresses...
View ArticleClik here to view.
Should I consider Collation when creating a temporary table?
We always create temporary tables for manipulating data for temporary processes and reports. However, unawareness of collation related issues with tempdb might introduce unexpected result with...
View ArticleClik here to view.
SQL Server Brain Basher of the Week #013 - Global Temporary Tables
Though we create temporary tables frequently for manipulating temporary data, global temporary tables are infrequently created. As you know, local temporary table is limited to the current session,...
View ArticleGuest Post: How much data will be loss when DBCC CHECKDB reports Consistency...
This post is written by: Priyanka Chouhan Every company or an individual, who use database systems, always wants to ensure the database integrity of the stored database. Therefore, you should always...
View ArticleClik here to view.
SQLSaturday #417 - Speakers and Sessions
Speaker: Pinal DavePinal Dave is a Technology Evangelist for Pluralsight. He has written over 3,300 related articles on his blog at http://blog.sqlauthority.com. He has also authored 17 video courses...
View ArticleClik here to view.
SSRS: How to format datetime as Oracle YYYYMMDDHH24
If a SSRS report has to be designed for an Oracle database and datetime needs to be displayed with date and hour, there are many different ways for handling it. Oracle supports many different...
View ArticleClik here to view.
SSRS: The parameter is missing a value
Are you experiencing the following error with one of your Reporting Services parameters? Specifically with a hidden parameter? To overcome this issue, make sure you have a default value for the...
View ArticleSQL Server Brain Basher of the Week #014 - SSIS Variables and Parameters
We have been using variables inside Integration Services packages for maintaining temporary values for various computations and passing external values to the package when executing. With SQL Server...
View ArticleClik here to view.
SQL Server Brain Basher of the Week #015 - SSIS Failing package
Just like last Brain Basher, this week one also based on Integration Services. Let's try to understand a very common misconception on package failures.If one of the tasks is failed during the...
View ArticleClik here to view.
How to navigate HDInsight cluster easily: CloudXplorer
Once HDInsight cluster is created for Big Data implementations, navigating the cluster (or Azure Blob Storage) via logical folders and accessing files inside, writing and copying files in and out is...
View ArticleClik here to view.
I did not use my HDInsight cluster but my credit is over
Have you noticed this? Or have you already experienced this? Are you going to complain on it? Then wait............. Microsoft Azure HDInsight billing is different with other billing methods (Once I...
View ArticleClik here to view.
User needs sysadmin permission to the instance but he should be denied...
If someone wants to manage the SQL Server instance completely and perform any activity in the server, she or he should be a member of sysadmin server-level role because it bypasses all security...
View Article