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Musings of an accidental Hadooper | bigdatamusings.wordpress.com Reviews
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December 2013 – Musings of an accidental Hadooper
https://bigdatamusings.wordpress.com/2013/12
Musings of an accidental Hadooper. December 7, 2013. June 15, 2015. Load functions determines how data goes into Pig. It takes the data spit out by the InputFormat (RecordReader within the InputFormat to be precise) and readies the data to be consumed by Pig. The actual work of reading the data from the sources is done by the InputFormat and the Load function is acts as […]. Blog at WordPress.com. Musings of an accidental Hadooper. Create a free website or blog at WordPress.com.
June 2014 – Musings of an accidental Hadooper
https://bigdatamusings.wordpress.com/2014/06
Musings of an accidental Hadooper. June 13, 2014. June 25, 2015. Distributed Cache is the mechanism by which hdfs copies a given file or files to the local disk where the various tasks for a job are being run. The file in this case could be any file. It could be a data file that you would have to use in your map or reduce phase, […]. Blog at WordPress.com. Musings of an accidental Hadooper. Create a free website or blog at WordPress.com.
February 2014 – Musings of an accidental Hadooper
https://bigdatamusings.wordpress.com/2014/02
Musings of an accidental Hadooper. February 6, 2014. July 27, 2015. The data structures that you deal with in real life, often expand beyond the typical data types available with in hadoop. i.e. beyond your Text’s , IntWritables, etc. One of the most desirable quality any Object that need to be serialized with in the MR framework is that they take up the least amount of […]. Blog at WordPress.com. Musings of an accidental Hadooper. Blog at WordPress.com.
June 2013 – Musings of an accidental Hadooper
https://bigdatamusings.wordpress.com/2013/06
Musings of an accidental Hadooper. Joins with an OR Condition using Reduce Side Joins. June 23, 2013. July 16, 2015. Reduce Side joins as the name suggests happens on the reduce side of the data flow. The MapReduce paradigm sort of does half of the work for you, without you even asking for it. All the keys emitted by the Mapper are grouped together in the Recued phase automatically, which is half a join anyways. […]. Blog at WordPress.com. Musings of an accidental Hadooper.
January 2014 – Musings of an accidental Hadooper
https://bigdatamusings.wordpress.com/2014/01
Musings of an accidental Hadooper. Inverted Index using MapReduce. January 11, 2014. July 16, 2015. In this blog we will examine how to create a simple inverted index using the MapReduce frame work. This is a widely used structure by databases and search engines , to facilitate quick text search. The inverted index usually consists of the searchable text/word flowed by a list of documents where the text/word appears. You […]. Create a free website or blog at WordPress.com.
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carpediemconsulting.wordpress.com
Dynamic Data security in OBIEE | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2009/03/05/dynamic-data-security-in-obiee
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Dynamic Data security in OBIEE. Posted on March 5, 2009. 1) The users should be able to pick the hierarchy that they would like to view the report by. 2) When the user flips between the hierarchies the security applied should change accordingly, ie if they are viewin...
carpediemconsulting.wordpress.com
Row wise initialized variable in OBIEE 11g and VALUELISTOF function | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2010/11/24/row-wise-initialized-variable-in-obiee-11g-and-valuelistof-function
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Posted on November 24, 2010. 11g seems to have a fix for this. For eg. lets say you have a session (row wise initialized) variable called REGION initialized as follows. Tagged: | obiee 11g. You are ...
carpediemconsulting.wordpress.com
Error Capturing in OBIEE Writeback | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2011/05/03/error-capturing-in-obiee-writeback
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Error Capturing in OBIEE Writeback. Posted on May 3, 2011. The OBIEE write back process does a bad job in capturing the errors that happen when writing back data. And often times we need to capture the error. Here is a quick way to capture the error message. You are ...
carpediemconsulting.wordpress.com
A different look at hierarchy based security in OBIEE | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2008/01/13/a-different-look-at-hierarchy-based-security-in-obiee
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. A different look at hierarchy based security in OBIEE. Posted on January 13, 2008. In this blog we will look at several methods to implement hierarchy based security in OBIEE, when the number of members in any particular level is very large. Sum(T433.TOTAL SALE A...
carpediemconsulting.wordpress.com
Letting the users pick joins in OBIEE | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2009/01/25/letting-the-users-pick-joins-in-obiee
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Letting the users pick joins in OBIEE. Posted on January 25, 2009. First up we extended all the views in the database by adding a dummy column and the values were always 1. Let’s say for query 1 I want to join on View1.col1 = View2.col1. Here are the steps. You could...
carpediemconsulting.wordpress.com
Dynamic Display Name for Presentation columns | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2009/06/15/dynamic-display-name-for-presentation-columns
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Dynamic Display Name for Presentation columns. Posted on June 15, 2009. There was a question asked on this post here. And I thought of having another post to answers Vik’s question. Good Artical, Thanks. We have a Similar req at my client, but little bit different.
carpediemconsulting.wordpress.com
Period Comparison without time series or ago functions. | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2009/01/08/period-comparison-without-time-series-or-ago-functions
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Period Comparison without time series or ago functions. Posted on January 8, 2009. The report had to display all the quarters of the current year and the growth for the same period for each of the quarters. And the picture below shows what the client wanted. The firs...
carpediemconsulting.wordpress.com
Choose and Indexcol functions in OBIEE | Carpediemconsulting's Blog
https://carpediemconsulting.wordpress.com/2008/11/25/choose-and-indexcol-functions-in-obiee
124; Comments RSS. Error Capturing in OBIEE Writeback. Row wise initialized variable in OBIEE 11g and VALUELISTOF function. Dynamic Display Name for Presentation columns. Dynamic Data security in OBIEE. Letting the users pick joins in OBIEE. Choose and Indexcol functions in OBIEE. Posted on November 25, 2008. You can use the choose statement to dynamically choose different columns in a request depending on the group a user belongs to:. Let us look at the following request:. Column1,column2 etc can be any...
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Big Data Montreal
Skip to primary content. Skip to secondary content. Qu’est-ce que le Big Data? Big Data Montréal #51. February 8, 2017. Register here: https:/ www.meetup.com/fr-FR/Big-Data-Montreal/events/237551533. Big Data Montreal would like to invite you to its 51st meeting! Join us on Monday. February 13th 2017 at 18h00 to attend a conference, as well as to network with other Big Data enthusiasts from Montreal! The meeting will take place at the Crew Collective and Cafe. 360 rue St. Jacques, Montréal, QC. Reduce th...
Big Data Montreal
Skip to primary content. Skip to secondary content. Qu’est-ce que le Big Data? Big Data Montréal #51. February 8, 2017. Register here: https:/ www.meetup.com/fr-FR/Big-Data-Montreal/events/237551533. Big Data Montreal would like to invite you to its 51st meeting! Join us on Monday. February 13th 2017 at 18h00 to attend a conference, as well as to network with other Big Data enthusiasts from Montreal! The meeting will take place at the Crew Collective and Cafe. 360 rue St. Jacques, Montréal, QC. Reduce th...
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Musings of an accidental Hadooper
Musings of an accidental Hadooper. Writing a Custom SerDe. August 20, 2014. June 12, 2015. The best argument that you can make in favor of Hive is its simplicity and ease of use. It is so much easier to use as compared to writing your own MapReduce programs. Hundreds of lines of MapReduce could could be written with a few lines of SQL(HiveQL). Hive puts a layer of abstraction on […]. Hive – Custom UDTF. July 28, 2014. June 15, 2015. Hive UDF (Generic UDF). July 22, 2014. June 15, 2015. June 13, 2014.
Big Data Analytics |
When Artificial Intelligence speaks “its” mind! Here is interesting story about technology going haywire. And, one. Big data – proceed with caution! While collection and analysis on big data hold great promise,. Tennis is not as squeaky clean as we thought! In terms of match fixing cricket has been sport of. How to choose analytical projects? Even though terms like "big data" and "data scientists" are. Unexpected use of analytics! While most common applications of analytics have been in database. The tel...
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Deriving insights from Data | My tryst with Big Data Analytics!
Deriving insights from Data. My tryst with Big Data Analytics! Deriving insights from Data The R ight way. October 2, 2013. Once remarked Find me something interesting in my data is a question from hell . A lot of literature is being published today about Big Data and Predictive analytics. In this mad rush of finding insights from data, many times organization forget the basic paradigm Analysis should be guided by business goals . Huh, enough of Gyan! Let me walk the talk. If so clean the data. Given the...
Bigdata Apache Hadoop
The Hadoop platform was designed to solve problems where there is a lot of data –complex and structured. It helps to run analytics that are deep and have extensive computation, like clustering and targeting, which cannot be handled by a database engine. As Hadoop becomes the predominant platform for data management and analytics, the demand for expert developers is also on the rise. What is Big Data. Dimensions of Big Data. Big Data in Advertising. Big Data in Banking. Big Data in Telecom. Learn how to l...
