Answer:Apache Solr creates an index of its own and stores it in inverted index format.
Applied Materials interview questions and answers
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Answer:The main difference between Solr and Elasticsearch is that Solr is a completely open-source search engine.
Answer:Apache Solr supports large-scale, search, distributed indexing, and aggregation or statistics operations, enabling to handle applications large and small.
Answer:A widely used enterprise
search engine based on Apache Lucene. One of the most popular document stores
Answer:Run a single-use script that do the joins on the SOLR index (file) to replace the author_id and author_name
Answer:The requests that send to Solr are processed by the request handlers.
Answer:Apache Solr contains powerful capabilities such as phrases
Answer:A UDF has input and output. Here is the different ways you can specify the output format of a Python UDF through use of the outputSchema decorator.
Answer:Pig does not have a dedicated metadata database. Hive makes use of the exact variation of dedicated SQL-DDL language by defining tables beforehand. 14. It supports Avro file format.
Answer:It is used for semi structured data. ,Hive is query engine,HBase is a data storage particularly for unstructured data.
Answer:Apache Pig is a tool for analytics which is used to
analyze data stored in HDFS. Apache Sqoop is a tool to importing structured data from RDBMS to HDFS or exporting data from HDFS to RDBMS.
Answer:Pig is a scripting language,SQL like query language,It is a compiled language
Answer:Pig Hadoop Component is generally
used by Researchers and Programmers. Hive Hadoop Component is mainly used by data analysts.
Answer:Apache Pig is a high-level,Apache Hive is a data warehouse
software project,Open-source software framework
Answer:For readability GROUP is used Cogroup used as a statements
Answer:HBASE will not replace Map Reduce. It is scalable distributed database….
Answer:Pig Latin is not a language but its a language game that all use to speak in code