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

Wednesday, July 1, 2015

Why do we need Hadoop and What can we do with it? [Hadoop for SQL Developer]

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If someone comes and tells; We have a large dataset, let's use Hadoop for processing this. What would be your answer? If you a...
Tuesday, June 30, 2015

Double click on .sql file opens a blank Management Studio Windows

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This happens mostly with older version of SQL Server such as 2005. When a SQL file with .sql extension is double-clicked, it opens Managem...
Monday, June 29, 2015

.sql files are opened with older version of Management Studio, how can I get it opened with new version of Management Studio?

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If you have two or more versions of SQL Server installed in your machine, most of the time, when you open a .sql file by double-clicking o...

SQL Server Brain Basher of the Week #018 - Single insert with multiple rows

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Here is a basic concept you should know. It is about inserting records, specifically inserting multiple records with a single insert state...
Sunday, June 28, 2015

Indexes should be dropped before a bulk insert or not

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If we are loading a large volume of data into an indexed table, we always drop the index, load the dataset, and re-create indexes assuming...
Saturday, June 27, 2015

Ways of incrementally loading data to a data warehouse

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Once I wrote a post on Incremental ETL  ( Incremental ETL: How to identify changes for fact data when no support from the source ) that di...
Friday, June 26, 2015

Does Change Data Capture (CDC) capture TRUNCATE operation?

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One of the sessions we had with SQL Server Sri Lanka User Group Meet-up yesterday was on Change Data Capture which is widely used for capt...
Wednesday, June 24, 2015

SQL Server Integration Services (SSIS) Feature Pack for Azure is released

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Microsoft has released SSIS Feature pack for Azure that allows us to connect with Azure, transfer data between azure and on-premises data s...
Tuesday, June 23, 2015

How to block users updating records I have selected/read

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We know that, with the default behavior, records are getting exclusively locked when we perform modifications against data, disallowing ot...
Sunday, June 21, 2015

SQL Server Brain Basher of the Week #017 - Alternative names for objects

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Microsoft SQL Server does not force you with hard rules for naming objects such as tables but some recommendations. Your tables, your proc...
Friday, June 19, 2015

Can I create a permanent table inside the tempdb?

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Microsoft SQL Server comes mainly with five system databases: master, model, msdb, tempdb and resources. In addition to that some more dat...
Thursday, June 18, 2015

Looking for a Hadoop Cluster for testing? Let's configure Hortonworks HDP Sanbox

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The latest buzzword in IT, or more particularly in data analytic is Big Data . It does not come alone, it always comes with Hadoop  which ...
Wednesday, June 17, 2015

Generate comma-separated value as a part of GROUP BY

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This is not a new thing but it is a common requirement with many implementations, so making a post on it. Assume that you need to get ...
Tuesday, June 16, 2015

Different query patterns you see with HiveQL when comparing with TSQL

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In recent past......... a casual conversation turned to a technical conversation...... Friend: It is a surprise to see an MVP studyin...
Monday, June 15, 2015

ETL Data Flow Architectures

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ETLing is the way of getting data from one or more sources into your reporting environment or to a repository that holds enterprise-wide d...
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Sunday, June 14, 2015

SQL Server Brain Basher of the Week #016 - Views

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During last 3-4 months, I have been continuously asking this question from many to understand how the fundamentals are known to everyone. ...
Saturday, June 13, 2015

What is "High Water Mark" in ETLing?

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When extracting data from one database to another in continuous fashion, two common techniques are used; delete the destination and reload...
Friday, June 12, 2015

User needs sysadmin permission to the instance but he should be denied permission on some databases

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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 sysa...
Thursday, June 11, 2015

I did not use my HDInsight cluster but my credit is over

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Have you noticed this? Or have you already experienced this? Are you going to complain on it? Then wait............. Microsoft Azure H...
Wednesday, June 10, 2015

How to navigate HDInsight cluster easily: CloudXplorer

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Once HDInsight cluster is created for Big Data  implementations, navigating the cluster (or Azure Blob Storage) via logical folders and ac...
Monday, June 8, 2015

SQL Server Brain Basher of the Week #015 - SSIS Failing package

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Just like last Brain Basher, this week one also based on Integration Services. Let's try to understand a very common misconception on ...

SQL Server Brain Basher of the Week #014 - SSIS Variables and Parameters

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We have been using variables inside Integration Services packages for maintaining temporary values for various computations and passing ex...
Friday, May 29, 2015

SSRS: The parameter is missing a value

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Are you experiencing the following error with one of your Reporting Services parameters? Specifically with a hidden parameter? To ...
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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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