How to control access to data in impala?
Answer / Lalitesh Kumar Singh
In Apache Impala, you can control access to data using various methods such as creating and managing databases and tables, defining permissions on these objects, and setting up authentication mechanisms. You can use the GRANT and REVOKE statements to assign or remove privileges on specific objects for users or roles.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is used to store data generally?
Does impala use caching?
Can I do insert … select * into a partitioned table?
What load do concurrent queries produce on the namenode?
What impala use for authentication?
Are results returned as they become available, or all at once when a query completes?
Does impala performance improve as it is deployed to more hosts in a cluster in much the same way that hadoop performance does?
What happens if there is an error in impala?
Can impala be used for complex event processing?
How do I configure hadoop high availability (ha) for impala?
What is troubleshooting for impala?
What are the most memory-intensive operations?
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)