How can I use the map datatype in Apache Pig?

How can I use the map datatype in Apache Pig?

syntax map hadoop apache-pig

hadoop

Hadoop: key and value are tab separated in the output file. how to do it semicolon-separated?

map hadoop mapreduce reduce

hadoop

What is the purpose of the org.apache.hadoop.mapreduce.Mapper.run() function in Hadoop?

function map hadoop

hadoop

How to read hadoop sequential file?

java map hadoop sequential hadoop-streaming

hadoop

What's the easiest way to explain What is Hadoop and Map/Reduce?

map hadoop mapreduce reduce

hadoop

"Starting flush of map output" takes very long time in hadoop map task

hadoop map flush

hadoop

Runtimeexception: java.lang.NoSuchMethodException: tfidf$Reduce.<init>()

map hadoop mapreduce hdfs reduce

hadoop

How many mappers/reducers should be set when configuring Hadoop cluster?

map hadoop reduce

hadoop

How to load hive table with map[structs] from another flat/simple hive table

json hadoop map struct hive

hadoop

FileInputFormat where filename is KEY and text contents are VALUE

file input map format hadoop

hadoop

Where should Map put temporary files when running under Hadoop

file map hadoop local temporary

hadoop

How do I kill running map tasks on Amazon EMR?

map hadoop amazon emr

hadoop

Alternatives to Hadoop / Map-reduce framework for win32 platform

python winapi map hadoop reduce

hadoop

Running jar file map reduce without Hdfs

map hadoop reduce

hadoop

MRUnit Create HBase Result Properly

hadoop map hbase mrunit

hadoop