Analytics & BI

Data Analytics,Big Data,Data Storage and Business Intelligence.

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power-bi bigquery

Use Google Cloud BigQuery as Data Source in Power BI

2,243   2   about 2 years ago

BigQuery is Google’s serverless data warehouse in Google Cloud. Power BI can consume data from various sources including RDBMS, NoSQL, Could, Services, etc. It is also easy to get data from BigQuery in Power BI. In this article, I am going to demonstrate how to connect to BigQuery to create...

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hadoop linux wsl

Install Hadoop 3.2.0 on Windows 10 using Windows Subsystem for Linux (WSL)

2,636   14   about 2 months ago

In my previous post , I showed how to configure a single node Hadoop instance on Windows 10. The steps are not too difficult to follow if you have Java programming backgr...

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hadoop hive wsl

Apache Hive 3.1.1 Installation on Windows 10 using Windows Subsystem for Linux

663   2   about 4 months ago

Previously, I demonstrated how to configured Apache Hive 3.0.0 on Windows 10. Apache Hive 3.0.0 Installation on Windows 10 Step by Step Guide...

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spark hadoop yarn oozie

Diagnostics: Container is running beyond physical memory limits

103   0   about 2 months ago

Scenario Recently I created an Oozie workflow which contains one Spark action. The Spark action master is yarn and deploy mode is cluster. Each time when the job runs about 30 minutes, the application fails with errors like the following: Application applicatio...

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lite-log spark pyspark

Fix PySpark TypeError: field **: **Type can not accept object ** in type <class '*'>

130   0   about 2 months ago

When creating Spark date frame using schemas, you may encounter errors about “field **: **Type can not accept object ** in type &lt;class '*'&gt;”. The actual error can vary, for instances, the following are some examples: field xxx: BooleanType can not accept object 100 in type ...

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python spark pyspark

PySpark: Convert Python Array/List to Spark Data Frame

233   0   about 2 months ago

In Spark, SparkContext.parallelize function can be used to convert Python list to RDD and then RDD can be converted to DataFrame object. The following sample code is based on Spark 2.x. In this page, I am going to show you how to convert the following list to a data frame: data = [(...

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Create ETL Project with Teradata through SSIS

11,419   4   about 5 years ago

Infosphere DataStage is adopted as ETL (Extract, Transform, Load) tool in many Teradata based data warehousing projects. With the Teradata ODBC and .NET data providers, you can also use the BI tools from Microsoft, i.e. SSIS. In my previous post, I demonstrated how to install Teradata Tool...

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teradata spark pyspark

Load Data from Teradata in Spark (PySpark)

251   0   about 2 months ago

In my article Connect to Teradata database through Python , I demonstrated about how to use Teradata python package or Teradata ODBC driver to connect to Teradata. In this article, I’m going to...

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python spark hadoop pyspark

Read Hadoop Credential in PySpark

107   0   about 2 months ago

In one of my previous articles about Password Security Solution for Sqoop , I mentioned creating credential using hadoop credential command. The credentials are stored in JavaKey...

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hadoop yarn hdfs

Install Hadoop 3.0.0 in Windows (Single Node)

20,028   21   about 2 years ago

This page summarizes the steps to install Hadoop 3.0.0 in your Windows environment. Reference page: https://wiki.apache.org/hadoop/Hadoop2OnWindows ...

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