Can impala do user-defined functions (udfs)?
Answer / Veeresh Kumar Shakya
Yes, Apache Impala supports User-Defined Functions (UDFs). UDFs allow developers to extend the functionality of Impala by creating custom functions written in languages such as C++, Java, or Python. These custom functions can then be registered and used within Impala queries.
| Is This Answer Correct ? | 0 Yes | 0 No |
Does impala support generic jdbc?
What is the no. Of threads created by impala?
Why we need impala hadoop?
Describe impala shell (impala-shell command)?
Can I do insert … select * into a partitioned table?
Are results returned as they become available, or all at once when a query completes?
How much memory is required?
How apache impala works with cdh?
What happens when the data set exceeds available memory?
Why do I have to use refresh and invalidate metadata, what do they do?
State use cases of impala?
Can I use impala to query data already loaded into hive and hbase?
Apache Hadoop (394)
MapReduce (354)
Apache Hive (345)
Apache Pig (225)
Apache Spark (991)
Apache HBase (164)
Apache Flume (95)
Apache Impala (72)
Apache Cassandra (392)
Apache Mahout (35)
Apache Sqoop (82)
Apache ZooKeeper (65)
Apache Ambari (93)
Apache HCatalog (34)
Apache HDFS Hadoop Distributed File System (214)
Apache Kafka (189)
Apache Avro (26)
Apache Presto (15)
Apache Tajo (26)
Hadoop General (407)