Hive Aggregate Functions (UDAF) with Examples
Hive Aggregate Functions are the most used built-in functions that take a set of values and return a single value, when used with a group, it aggregates all values in…
Hive Aggregate Functions are the most used built-in functions that take a set of values and return a single value, when used with a group, it aggregates all values in…
Like any other Database Hive also supports Relation, Arithmetic and Logical operators. Keeps an eye on return values as they changes if one of the operand is NULL. Hive Relational…
Hive supports several date types like Hive Numeric TypesHive Date & Time TypesHive String TypesHive Misc Types (Boolean & Binary)Hive Complex Types (Array, Map, Struct) Hive Numeric Types Below are…
Hive comes with a set of collection functions to work with Map and Array data types. These functions are used to find the size of the array, map types, get…
Use nvl() function in Hive to replace all NULL values of a column with a default value, In this article, I will explain with an example. You can use this…
Hive conditional functions are used to apply conditions on one or more columns and the conditions are executed for every row on a table. In this article, you will learn…
Hive Date and Timestamp functions are used to manipulate Date and Time on HiveQL queries over Hive CLI, Beeline, and many more applications Hive supports. The default date format of…
Hive supports several built-in string functions similar to SQL functions to manipulate the strings. These Hive string functions come in handy when you are doing transformations without bringing data into…
Hive CAST(from_datatype as to_datatype) function is used to convert from one data type to another for example to cast String to Integer(int), String to Bigint, String to Decimal, Decimal to…
This section of the Apache Hive Tutorial explains step-by-step Apache Hive Installation and configuring on Ubuntu. Apache Hive needs Apache Hadoop Installation to be set up and running HDFS as…