Post 52 | HDPCD | The conclusion

Hi everyone. Finally, we have reached the end of this tutorial series. It's been so long. We started this journey together on January 15th, 2017, and, 276 days later this beautiful journey is coming to an end. But, we do not need to worry, because, I am working on something new and would love to … Continue reading Post 52 | HDPCD | The conclusion

Post 48 | HDPCD | Printing the execution plan of a Hive query

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to enable vectorization in Hive. In this tutorial, we are going to see how to print the execution plan of a Hive query. Let us begin, then. This is one of the simplest tutorials in this certification series. In … Continue reading Post 48 | HDPCD | Printing the execution plan of a Hive query

Post 43 | HDPCD | Delete a row in a Hive table

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to update a row in a Hive table. In this tutorial, we are going to see how to delete a row in the Hive table. It is quite interesting to see that Hive supports ACID operations … Continue reading Post 43 | HDPCD | Delete a row in a Hive table

Post 42 | HDPCD | Update a row in a Hive table

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to load the compressed data into a Hive table. In this tutorial, we are going to see how to update a row in the Hive table. It is quite interesting to see that Hive supports ACID … Continue reading Post 42 | HDPCD | Update a row in a Hive table

Post 41 | HDPCD | Loading compressed data into a Hive table

Hello, everyone. Thanks for returning for the next tutorial in the HDPCD certification series. In the last tutorial, we saw how to load data into a Hive table from a SELECT query. In this tutorial, we are going to see how to load the compressed data from into the Hive table. Let us begin then. The above … Continue reading Post 41 | HDPCD | Loading compressed data into a Hive table

Post 40 | HDPCD | Load data into hive table as a result of a query

Hi, everyone. Thanks for coming back for one more tutorial in this HDPCD certification series. In the last tutorial, we saw how to load data into a Hive table from an HDFS directory. In this tutorial, we are going to see how to load the data into a Hive table as a result of a Hive query. … Continue reading Post 40 | HDPCD | Load data into hive table as a result of a query

Post 39 | HDPCD | Load data into a Hive table from an HDFS directory

Hello, everyone. Thanks for returning for the next tutorial in the HDPCD certification series. In the last tutorial, we saw how to load data into a Hive table from a local directory. In this tutorial, we are going to see how to load the data from the local Directory into the Hive table. Let us begin then. … Continue reading Post 39 | HDPCD | Load data into a Hive table from an HDFS directory

Post 35 | HDPCD | Insert records from NON-ORC table into ORC table

Hello, everyone. Thanks for going through the tutorials. The increasing views and visitors act as a motivation for me. In the last tutorial, we saw how to define a hive ORC table. In this tutorial, we are going to load data in that ORC table from an NON-ORC table. For doing this, we are going … Continue reading Post 35 | HDPCD | Insert records from NON-ORC table into ORC table

Post 33 | HDPCD | Define a Table from a SELECT Query

Hello everyone and welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to define a BUCKETED hive table. In this tutorial, we are going to see how to create a Hive table from a SELECT query. Let us begin then. We are going to follow the below … Continue reading Post 33 | HDPCD | Define a Table from a SELECT Query

Post 32 | HDPCD | Defining a Bucketed Hive Table

Hello everyone to the next tutorial in the HDPCD certification series. In the last tutorial, we saw how to create a Partitioned Hive Table. In this tutorial, we are going to see how to create a Bucketed Hive table. The process is depicted in the following infographics. As you can see from the above picture, … Continue reading Post 32 | HDPCD | Defining a Bucketed Hive Table