hive books

Introduction to Hive and what it is to install hiveHive is a data warehouse that uses SQL scripts toHive contains several enginesInterpreter, compiler, optimizer, etc.Contact HiveFirst we go into the appropriate official document, the command to contact Hive uses https://cwiki.apache.org/confluence/display/Hive/LanguageManualThen we open the command line modeUsag

Create a table: hive> Create Table pokes (FOO int, bar string); creates a table called pokes with two columns, the first being an integer and the other a string Create a new table with the same structure as other hive> Create Table new_table like records; Create a partition table: hive> Create Table logs (TS bigint, line string) partitioned by (DT string, country

Recently combined with specific projects, set up Hadoop+hive, before running Hive to first set up a good Hadoop, about the construction of Hadoop has three models, in the following introduction, I mainly used the pseudo distribution of Hadoop installation mode. Write it down for you to share.Preparatory work:all of the above downloaded installation packages are in the/usr/local/hadoop directory after the de

Http://zhangrenhua.com Blog has moved 1. Hive Structure Hive is a data warehouse infrastructure built on Hadoop. It provides a range of tools that can be used for data extraction conversion loading (ETL), a mechanism that can store, query, and analyze large-scale data stored in Hadoop. Hive defines a simple class-SQL query language called QL, which allows us

Hive Remote Mode 1 download and install MySQL and start the service (my MySQL is installed under the host Windows) 2 Create a database in MySQL to hold hive metadata and create an account for the database and give the required permissions 3 Download and Unzip hive 4 Configuring Environment Variables for hive 5 Configu

;Using the database: use MySQL;Show table: Show tables;Second, the installation and deployment of hive1. First download the Hive installation package: Hive-0.12.tar.gz upload the installation package to the directory that will be installed on the virtual machine2, use the command to extract the installation package: TAR–ZXVF hive-0.12.tar.gz3. Modify the file in

Hive is now the most common and inexpensive solution for building data warehouses in the Big data era, although there are also other rising stars such as Impala, but the status of hive is not yet shaken in terms of functionality and stability.In fact, this blog is mainly to talk about SMB join, join is the most core part of the whole mr/hive, is the part of each

Recently in the data analysis of a traffic flow, the demand is for a huge amount of urban traffic data, need to use MapReduce cleaning after importing into hbase storage, and then using the Hive External table associated with hbase, hbase data query, statistical analysis, Save the analysis results in a hive table, and finally use Sqoop to import the data from that table into MySQL. The whole process is prob

1. Installation EnvironmentJDK1.7.0 centOS6.4 hive0.13.1 cdh5.3.6 hadoop2.5.0 MySQL 2, Hive functional Framework Introduction Hive is a tool for any size data analysis in SQL style, characterized by the use of SQL commands similar to relational databases. It is characterized by the large data of Hadoop processed through SQL, the scale of data can be scaled to 100pb+, the data form can be structural or unst

'--table TB_ Region--hbase-table Mysql_trade_dev--hbase-row-key region_id--column-family Region 4.3 Verification Scan ' Mysql_trade_dev 'Count ' Mysql_trade_dev ' 5. Import Hive Bin/sqoop Import--connect jdbc:mysql://192.168.1.187:3306/trade_dev--username ' mysql '--password ' 111111 '--table TB_ Region--hive-import--create-hive-table

Environmental requirements:MysqlHadoopThe hive version is: Apache-hive-1.2.1-bin.tar1. Setting Up Hive UsersEnter the MySQL command line to create a hive user and give all permissions:Mysql-uroot-prootMysql>create user ' hive ' identified by '

Source: http://mp.weixin.qq.com/s?__biz=MjM5NzA1MTcyMA==mid=202904638idx=2sn= 21dd20438e32a24e78e8c33dd4a0991escene=1#rdThe 9 books listed in this article are considered great books in the Java programmer community. When a programmer begins to learn Java, his first question should be how to choose a book as a guide to learning Java. This problem also shows that, compared to other tutorials and blogs, Java

1. Hive Introduction 1.1 belongs to the role of data warehouse in the hadoop ecosystem. It can manage data in hadoop and query data in hadoop. Basically, hive is an SQL parsing engine. Hive can convert SQL queries to MapReduce jobs for running. Hive has a set of Ing tools 1. Hive