Dinesh's Blog :::: Being Compiled ::::

Thursday, April 30, 2015

Incremental ETL: How to identify changes for fact data when no support from the source

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"Data warehouse is a read-only database": this is one of the characteristics of data warehouse and we used to say "History ...
Tuesday, April 28, 2015

ETL or ELT? Conversation I had with a participant

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Everyone is familiar with the term "ETL" and everyone knows about the processes related to it. This concept refers extracting da...
Sunday, April 26, 2015

SQL Server Brain Basher of the Week #009

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When we need to create a table using a SELECT statement, the option we use is SELECT .... INTO. No arguments, for the most of situations, ...
Thursday, April 23, 2015

Do we need a staging database for warehousing projects?

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Deciding an architecture for a data warehouse project and applying it is a challenge. The designer, or the architect has to decide many th...
Tuesday, April 21, 2015

What is a bespoke provider?

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Have you heard about this provider before? When we need to perform data extraction from another source, we need a provider for connecting w...
Saturday, April 18, 2015

SQL Server Brain Basher of the Week #008

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When you talk with your database, you use a language that is understandable to the database component you access and specific to the vendo...
Thursday, April 16, 2015

Reporting Services Multi-Value parameter and Oracle database

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Parameterization is not a difficult implementation with Reporting Services as most of the coding are automatically added either via the da...
Wednesday, April 15, 2015

What pushes SMP Architecture data warehouse to MPP Architecture

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We have been developing data warehouses, centralizing enterprise data and addressing business intelligence requirements. Generally, almost...
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Sunday, April 12, 2015

SQL Server Brain Basher of the Week #007

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Not a new one but still I do not get proper answers when a question is asked on this. See whether you can select accurate statement(s) befo...

Let's form a team for a "Business Intelligence" project. Who do we need?

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When forming a team for a Business Intelligence or Data Warehousing project, it is always advisable for filling the required roles with be...
Saturday, April 11, 2015

Object Name Resolution - Stored Procedure

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SQL Server does not resolve names of stored procedures just as it does on tables. This resolution is bit different. Here is the post I mad...

Object Name Resolution - Table

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How SQL Server resolves object names if you have not referred it is as a fully qualified object? If it is not a fully qualified object (a ...
Wednesday, April 8, 2015

What are ROLLBACK WORK AND COMMIT WORK?

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I am sure that you are familiar with ROLLBACK TRANSACTION and COMMIT TRANSACTION but have you heard about or used ROLLBACK WORK and COMMIT...
Tuesday, April 7, 2015

Some records are locked, can I skip them and read the rest? (READPAST)

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Assume that you have a table with thousands of records and some of the records are being updated by another user. Now you try to read some...
Sunday, April 5, 2015

SQL Server Brain Basher of the Week #006

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Let's talk about date and time. Have a look on following code and try to guess the value returned by last SELECT statement. USE te...
Friday, April 3, 2015

Cumulative updates for SQL Server 2012 and 2014

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Few Cumulative updates have been released for SQL Server 2012 and 2014. Here are the links for them: Cumulative update #6 for SQL Server ...

What are hotfixes, Cumulative Updates and Service Packs?

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No matter how hard the software has been tested, issues can be still encountered. Same applies to Microsoft SQL Server too and that is the...
Thursday, April 2, 2015

Should I rollback my explicit transaction or will XACT_ABORT do it for me?

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Here is another question I got in this week. The question is all about rolling back transactions, whether we need to write a code with ROL...
Monday, March 30, 2015

My Report takes long time to load, where should I check initially?

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If you are the DBA or DBE, and reports have been deployed in production environment, question like above is very common? Usually quotes ar...
Sunday, March 29, 2015

SQL Server Brain Basher of the Week #005

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Can I use sp_recompile with tables? What would be your answer? Yes or no ? Answer should be Yes  but it does not mean that we can ...
Thursday, March 26, 2015

My Application needs a new sequence number to the table without inserting the record

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This is something I discussed with one of my colleagues, it was all about obtaining the next sequence number from Identity type column wit...
Tuesday, March 24, 2015

I declared a nvarchar(max) variable but it holds only 4000 characters

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Although getting questions from SQL Server enthusiasts makes me busy, this brushes up my knowledge significantly. This is one of the quest...
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Dinesh Priyankara
Colombo, Sri Lanka
Dinesh Priyankara (MSc IT) is an MVP – Data Platform (Microsoft Most Valuable Professional) in Sri Lanka with 16 years’ experience in various aspects of database technologies including business intelligence. He has done many local and foreign business intelligence implementations and has worked as a subject matter expert on various database and business intelligence related projects. He is the Founder/Principal Architect of dinesQL (Pvt) Ltd and he consults, teaches and runs training programs on data related solutions and subjects.
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