文章浏览阅读76次。Data Types in HiveHive data types are categorized into two types. They are the primitive and complex data types.The primitive data types include Integers, Boolean, Floating point numbers and strings. The below table lists the size of each data type:Type_hive 数据类型...
文章浏览阅读177次。Conditional Functions in HiveHive supports three types of conditional functions. These functions are listed below:IF( Test Condition, True Value, False Value )The IF condition evaluates the “Test Condition” and if the “Test Condition” is true, then it r_hive condit......
文章浏览阅读145次。Numeric and Mathematical Functions in HiveThe Numerical functions are listed below in alphabetical order. Use these functions in SQL queries.ABS( double n )The ABS function returns the absolute value of a number.Example: ABS(-100)ACOS( double n )The_hive math...
文章浏览阅读2.1k次。hive基础hive基本命令基本类型基本数据类型：int/float/double/string/boolean/bigint复杂类型：array/map/struct常见Hive语法use database_namecreate database if not exist db_namedesc database db_namecreate table table_name(...) row format delimited fiel......
文章浏览阅读1.5k次。hive创建数据库create database IF NOT EXISTS sip_data_drc COMMENT '测试数据库' LOCATION '/tmp/hive/root/' WITH DBPROPERTIES ('creater'='liuzd','date'='20191010'); IF NOT EXISTS：如果不存在则创建 COMMENT：..._启动hive并创建数据库hive...
文章浏览阅读278次。hive里面的类型转换select '1'+2 , cast( '1' as int ) +2;OK3.0 3-------------------------------------------------------------------------------------------显示数据库 show databases;OKdefaultmydatabas..._hive3 hive.cli.print.header...
