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Required Skills for HDPCD EXAM

Data Ingestion
  • Import data from a table in a relational database into HDFS
  • Import the results of a query from a relational database into HDFS
  • Import a table from a relational database into a new or existing Hive table
  • Insert or update data from HDFS into a table in a relational database
  • Given a Flume configuration file, start a Flume agent
  • Given a configured sink and source, configure a Flume memory channel with a specified capacity
Data Transformation
  • Write and execute a Pig script
  • Load data into a Pig relation without a schema
  • Load data into a Pig relation with a schema
  • Load data from a Hive table into a Pig relation
  • Use Pig to transform data into a specified format
  • Transform data to match a given Hive schema
  • Group the data of one or more Pig relations
  • Use Pig to remove records with null values from a relation
  • Store the data from a Pig relation into a folder in HDFS
  • Store the data from a Pig relation into a Hive table
  • Sort the output of a Pig relation
  • Remove the duplicate tuples of a Pig relation
  • Specify the number of reduce tasks for a Pig MapReduce job
  • Join two datasets using Pig
  • Perform a replicated join using Pig
  • Run a Pig job using Tez
  • Within a Pig script, register a JAR file of User Defined Functions
  • Within a Pig script, define an alias for a User Defined Function
  • Within a Pig script, invoke a User Defined Function
Data Analysis
  • Write and execute a Hive query
  • Define a Hive-managed table
  • Define a Hive external table
  • Define a partitioned Hive table
  • Define a bucketed Hive table
  • Define a Hive table from a select query
  • Define a Hive table that uses the ORCFile format
  • Create a new ORCFile table from the data in an existing non-ORCFile Hive table
  • Specify the storage format of a Hive table
  • Specify the delimiter of a Hive table
  • Load data into a Hive table from a local directory
  • Load data into a Hive table from an HDFS directory
  • Load data into a Hive table as the result of a query
  • Load a compressed data file into a Hive table
  • Update a row in a Hive table
  • Delete a row from a Hive table
  • Insert a new row into a Hive table
  • Join two Hive tables
  • Run a Hive query using Tez
  • Run a Hive query using vectorization
  • Output the execution plan for a Hive query
  • Use a subquery within a Hive query
  • Output data from a Hive query that is totally ordered across multiple reducers
  • Set a Hadoop or Hive configuration property from within a Hive query