Techie Talks

Relational Operators The following operators compare the passed operands and generate a TRUE or FALSE value depending on whether the comp...

Pig raises the level of abstraction for processing large datasets. MapReduce allows you,  as the programmer, to specify a map function fol...

IF OBJECT_ID('tempdb..##tmp') IS NOT NULL begin DROP TABLE ##tmp end CREATE TABLE ##tmp ( TableName varchar(255),DifferenceInCo...

Date data types do not exist in Hive. In fact the dates are treated as strings in Hive. The date functions are listed below. UNIX_T...

HBase is a column oriented database which stores its contents by column rather than by row. Instead of retrieving a record or row ...