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

Monday, July 31, 2017

SQL Server bcp error - String data, right truncation

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We generally expect a proper row terminator with files loaded using bcp  and with all accurately defined switches, data should be loaded w...
Tuesday, July 11, 2017

Power BI supports numeric range slicer now

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This is not something released this month but March 2017. These new capabilities of Power BI Slicer is available but many do not use it be...
Sunday, June 25, 2017

Database Normalization - 1NF, 2NF, 3NF, BCNF, 4NF and 5NF with examples

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Normalization is a process of identifying the optimal grouping (relations at the end) for attributes that satisfies data requirements in a...
Wednesday, June 21, 2017

Power BI Parameters - What are they and when they can be used?

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Microsoft Power BI supports adding parameters for queries and use them with various areas. However, since it has some limitations and cann...
Saturday, June 17, 2017

Relational Algebra - Joins - Theta Join, Equijoin, Natural Join, Outer Join, Semijoin

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I wrote a post on Relational Algebra that discusses most of operations related to it. This is the continuation of it and this explains Jo...
Wednesday, June 14, 2017

Power BI - Scheduled Refresh section is not available in Settings

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Power BI Desktop allows us to import data from files such as CSV and Excel . Once imported, it automatically creates a Model  that can be ...
Saturday, June 10, 2017

Power BI - Cannot highlight or pin visuals when grouped with shapes

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Power BI allows us to add shapes like rectangle or oval  for marking specific area, showing covered visuals as they are related and operat...
Wednesday, June 7, 2017

Naming columns in the View

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How do you name columns returned from your created view? Generally, you do not need to explicitly name them as the names of view-columns  ...
Tuesday, June 6, 2017

Creating Horizontal Views and Vertical Views

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Everyone has either used or created  views for getting or creating a dynamic result using one or multiple tables. And everyone knows the u...
Monday, June 5, 2017

What should be considered on Visualization?

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Creating a report with stunning, meaningful and appropriate visuals is the key for delivering the information quickly, hence special consi...
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Sunday, June 4, 2017

Calculate the average value against a large table - SQL Server Brain Basher of the Week #068

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Let's talk about another Interview Question  related to SQL Server development. This is about one of the aggregate functions that is A...
Saturday, June 3, 2017

Power BI - No page to enter SQL Server credentials when connecting - Here is the reason

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Have you experienced that Power BI just connects with your SQL Server without requesting your login credentials? Or you might need to conn...
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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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