sqoop split by

(i) importing from a relational database to HDFs1. Keep the following parameters as Import.scriptImport--connectJdbc:mysql://192.168.1.14:3306/test--usernameRoot--password1234-M1--null-string‘‘--tableUser--columns"Id,username,age"--target-dir/user/root/sqoop_test--This directory cannot exist2. Execute Sqoop--options-file./import.script(ii) Import from HDFs to a relational database1. Keep the following parameters as Export.scriptExport--connectJdbc:mys

Tags: TCO tac man rem Eid name Apach Auth RMIPreviously used Sqoop to complete data extraction from the generated HDFS data store to Oracle's database: Sqoop Extract statement:Sqoop export--connect "Jdbc:oracle:thin: @ip:p ort:sid"--username user name--password password--table sid. Table name--export-dir Hdfs://na MESERVICE1/USER/XXX (HDFs address)--fields-terminated-by "\001"--null-non-string "--null-strin

( Span class= "string" style= "Color:blue" > "hbase.columns.mapping" =": Key,cf:genera_type,cf:install_type,cf:label,cf:meid,cf:model,cf:pkg_name,cf:specific_type " ) tblproperties ("hbase.table.name" = "Tb_yl_device_app_info2"); 3. Create a hive tableSQL code CREATE TABLE hive_device_app_real (row_key string,genera_type string,install_type String,label String,meid String,model string,pkg_name String,specific_type string) 4. External table data import into hive real

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Import all fields of a table-- Connect JDBC:ORACLE:THIN:@192.168.1.107:1521:ORCL \ -- username SCOTT--password Tiger \ -- table EMP \ -- hive-import --create-hive-table--hive-table emp- M 1;If you report a similar mistake:ExistsRemove the file from the HDFs system first: Hadoop fs-rmr/user/hadoop/empIf you report a similar mistake: in metadata:alreadyexistsexception (message:Tableexists)If you report a similar mistake: in thread "main" Java.lang.NoSuchMethodError:org.apache.thrift.EncodingUti

Tags: sqoop oracle clob--map-column-javaSqoop import--hive-import--hive-overwrite--connect jdbc:oracle:thin:@192.168.92.136:1521:cyporcl--username ODS-- Password ' od154ds$! ('-M 1--hive-database ODS--table q_tra_disputestatus--fields-terminated-by ' \001 '--hive-drop-import-delims--null- String ' \\n '--null-non-string ' \\n '--map-column-java disputeresult=stringDisputeresult This field is Oracleclob type, there is a carriage return, loaded into hiv

-terminated-by "\\n" ... 12/07/2014:03:10infomapred. Jobclient:map0%reduce0%12/07/2014:03:24infomapred. jobclient:map100%reduce0% ... 12/07/2014:03:29infomapreduce. Exportjobbase:exported2record Checklist mysql>select*fromaward;+-------------------------------+-----------+-----------+ ------+-----------+-----------+--------+------+-------------+-----------------+---------+|rowkey| productid|matchid|rank|tourneyid|userid| gameid|gold|loginid|nick|plat|+------------------------- ------+----------

Split is an important feature in HBase, and hbase is load balanced by assigning data to a certain number of region. A table is assigned to one or more region, which is assigned to one or more regionserver. In the auto split strategy, when a region reaches a certain size, it automatically split into two region. Table is sorted by row key in region, and the row for

--Method 0: Dynamic SQL methodDeclare @s varchar( -),@sql varchar( +)Set @s='1,2,3,4,5,6,7,8,9,10'Set @sql='Select Col=" "+ Replace(@s,','," "UNION ALL Select" ")+" '"PRINT @sqlexec(@sql)--Method 1: Cyclic interception methodif exists(Select * fromDbo.sysobjectswhereId= object_id(N'[dbo]. [F_splitstr]') andXtypeinch(N'FN'N'IF'N'TF'))Drop function [dbo].[F_splitstr]GOCREATE FUNCTIONF_splitstr (@s varchar(8000),--string to be split@

Label: style blog HTTP Io color ar OS sp TarIt is a file packaging tool, and split is a file splitting tool. When sending attachments in an email, it may be necessary to compress and split the attachments due to the attachment size restriction and separate them into several emails. If you need to back up a lot of data, the size of a single file after packaging may exceed the size limit supported by the fil

In the work of contact with split, so look at this piece of source code, first saw the split strategy, today say this bar, follow-up will have split other source analysis and compact related source analysis. Read a lot of other people's blogs, many of them are forwarded, original also did not indicate which version. In fact, to confuse many readers, I am here bas

There is a String.Split () method in the Java.lang package, and the return is an array.1,"." and "|" is an escape character and must be added "\ \";If you use "." As a separate word, it must be written as follows:String.Split ("\ \"), in order to properly separate, can not be used String.Split (".");If you use the ' | ' As a separate word, it must be written as follows:String.Split ("\\|"), so as to properly separate, can not use String.Split ("|");2. If you have more than one delimiter in a str

Linux Split command Function Description: Cutting file. Syntax: Split [--help][--version][- Add: Split can cut the file into smaller files, preset every 1000 lines cut into a small file. Parameters - -b The-c --help display Help. --version Displays version information. [Output file name] Sets the file's predecessor file name after the cut, and

One, using a temporary table as an array Copy Code code as follows: Create function F_split (@c varchar), @split varchar (2)) Returns @t table (col varchar (20)) As Begin while (CHARINDEX (@split, @c) Begin Insert @t (COL) VALUES (substring (@c,1,charindex (@split, @c)-1) Set @c = Stuff (@c,1,charindex (@

Split vertically A vertical split is a split of a table column , which splits more than one table into multiple tables.In general, we divide vertically by the following principles: separate the infrequently used fields in a single table;The Text,blob and other large segments are split out and placed in the schedule;Th

Author: gnuhpcSource: http://www.cnblogs.com/gnuhpc/ // Use split () to extract substrings from a string. class splitdemo {static void showsplit (string [] STRs) {for (string STR: STRs) system. out. print (STR + "|"); system. out. println ("/N");} // demonstrate split (). public static void main (string ARGs []) {string result []; // split at spaces. string tests

Example of JavaScript string object split method (used to split strings into arrays), javascriptsplit JavaScript split method The split method is used to split a string into a string array and return the array. The syntax is as follows: Copy codeThe Code is as follows:Str_ob

Suppose the string to be split is: s= "... fs...fs ..." where FS represents the character or string to be delimited. Definitions and usageThe split () method is used to split a string into an array of strings. GrammarStringobject.split (Separator,howmany) Instance 1 The code is as follows Copy Code var ss=s.split ("FS");for (Var i=