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. InContinue reading “Post 48 | HDPCD | Printing the execution plan of a Hive query”

Post 47 | HDPCD | Run a Hive query using Vectorization

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to run a Hive Query using TeZ execution engine. In this tutorial, we are going to see how to run a Hive Query using Vectorization. Let us begin, then. Before starting off with the objective of this tutorial, letContinue reading “Post 47 | HDPCD | Run a Hive query using Vectorization”

Post 45 | HDPCD | Join two Hive tables

  Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to insert a new row into a Hive table. In this tutorial, we are going to see how to join two Hive tables. Let us begin, then. The above info-graphics show the step by step processContinue reading “Post 45 | HDPCD | Join two Hive tables”

Post 44 | HDPCD | Insert a row in the Hive table

Hello, everyone. Welcome to one more tutorial in the HDPCD certification series. In the last tutorial, we saw how to delete a row in a Hive table. In this tutorial, we are going to see how to insert a row in the Hive table. It is quite interesting to see that Hive supports ACID operationsContinue reading “Post 44 | HDPCD | Insert a row in the Hive table”

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 operationsContinue 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 ACIDContinue 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 aboveContinue 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 37 | HDPCD | Specifying delimiter of a Hive table

Hello, everyone. Thanks for coming back for one more tutorial in this HDPCD certification series. In the last tutorial, we saw how to specify the storage format of a Hive table. In this tutorial, we are going to see how to specify the delimiter of a Hive table. We are going to follow the processContinue reading “Post 37 | HDPCD | Specifying delimiter of a Hive table”

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 goingContinue reading “Post 35 | HDPCD | Insert records from NON-ORC table into ORC table”