Querying Data
Querying data in Cloudera Data Warehouse
Submitting queries with Cloudera Data Explorer (Hue)
Configure custom properties
Creating tables from S3 CSV
Creating tables from ABFS CSV
View query history
ETL workloads
Simplify queries with User-defined functions
Creating a Hive user-defined function
Setting up the development environment
Create the UDF class
Building the project and uploading the JAR
Configuring UDF JAR caching in Hive VW
Registering the UDF
User-defined functions (UDFs)
UDF concepts
Runtime environment for UDFs
Writing UDFs
Writing user-defined aggregate functions (UDAFs)
Building and deploying UDFs
Performance considerations for UDFs
Examples of creating and using UDFs
Security considerations for UDFs
Impala workload management
Table format
Table maintenance
Use cases
How it works
Impala coordinator Startup flags
Hive query history service
Query history table
Table format
Use Case
Configuring query history service