Apache Solr – Search Engine Basics
A Search Engine refers to a huge database of Internet resources such as webpages, newsgroups, programs, images, etc. It helps to locate information on the World Wide Web. Users can…
A Search Engine refers to a huge database of Internet resources such as webpages, newsgroups, programs, images, etc. It helps to locate information on the World Wide Web. Users can…
Solr is a scalable, ready to deploy, search/storage engine optimized to search large volumes of text-centric data. Solr is enterprise-ready, fast and highly scalable. In this tutorial, we are going…
Apache Pig provides various built-in functions namely eval, load, store, math, string, bag and tuple functions. Eval Functions Given below is the list of eval functions provided by Apache Pig. S.N.Function & Description1AVG()To compute the average…
The LIMIT operator is used to get a limited number of tuples from a relation. Syntax Given below is the syntax of the LIMIT operator. grunt> Result = LIMIT Relation_name required number of tuples;…
The ORDER BY operator is used to display the contents of a relation in a sorted order based on one or more fields. Syntax Given below is the syntax of the ORDER BY operator.…
The FOREACH operator is used to generate specified data transformations based on the column data. Syntax Given below is the syntax of FOREACH operator. grunt> Relation_name2 = FOREACH Relatin_name1 GENERATE (required data); Example Assume…
Here we will discuss about Distinct Operator in Apache Pig. TheĀ DISTINCTĀ operator is used to remove redundant (duplicate) tuples from a relation. Syntax Given below is the syntax of the DISTINCT operator. grunt>…
Here we will discuss about Filter Operator in Apache Pig. TheĀ FILTERĀ operator is used to select the required tuples from a relation based on a condition. Syntax Given below is the…
Here we will discuss about Split Operator in Apache Pig. TheĀ SPLITĀ operator is used to split a relation into two or more relations. Syntax Given below is the syntax of the SPLIT operator.…
Here we will discuss about Union Operator in Apache Pig. TheĀ UNIONĀ operator of Pig Latin is used to merge the content of two relations. To perform UNION operation on two relations,…