What is the use of foreach operation in Pig scripts?
Answer / Nidhish Paty Sahay
The FOREACH operation in Pig is used to iterate over each row or field of a relation and perform an action on it. It can be used for transforming data, applying user-defined functions (UDFs), or generating new relations.
| Is This Answer Correct ? | 0 Yes | 0 No |
What is the function of UNION and SPLIT operators? Give examples?
What relational operators can we use that are related to combining and splitting in Pig language?
State the usage of 'filters', 'group' , 'orderBy', 'distinct' keywords in pig scripts?
What is a MapFile?
What are the various diagnostic operators available in Apache Pig?
What is Grunt shell?
How to write 'foreach' statement for bag datatype in pig scripts?
How to write 'foreach' statement for tuple datatype in pig scripts?
What is the difference between Apache Pig and Hive?
What do you know about the case sensitivity of apache pig?
How can we see only top 15 records from the student.txt out of100 records in the HDFS directory?
What is the difference between logical and physical plans?
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)