Load/Store functions determine how data goes into Pig and comes out of Pig. Pig provides a set of built-in load/store…
AVG Use the AVG function to compute the average of the numeric values in a single-column bag. AVG requires a…
DESCRIBE Use the DESCRIBE operator to review the schema of a particular alias. Input Service Data 1,NDATEST,/shelf=0/slot/port=1 2,NDATEST,/shelf=0/slot/port=2 3,NDATEST,/shelf=0/slot/port=3 4,NDATEST,/shelf=0/slot/port=4…
Inner JOIN Use the JOIN operator to perform an inner, equijoin join of two or more relations based on common…
Flatten Operator The FLATTEN operator which is an arithmetic operator looks like a UDF syntactically, but it is actually an…
Relations, Bags, Tuples, Fields Pig Latin statements work with relations. A relation is a bag and a bag is a…
A Pig Latin statement is an operator that takes a relation as input and produces another relation as output this…