'Extract, Transform and Load': Data load processing, normally in the context of data warehouse systems.

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Can data be replicated from a slave MySQL back to a master without the slave containing all the master data?

We have a PHP/Symfony 2 application using MySql as the database. The database contains a large amount of data. The application is deployed to a separate server(s) and an empty/clean version of the ...
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37 views

DB2 Database Conversion Workbench Issue

I am currently trying to convert a SQL Server database to DB2. I am using the Data Conversion Workbench (DCW) for IBM Data Studio. The issue I have is that DCW can not seem to correctly extract data ...
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37 views

Are there best practices or standardized syntax for writing transformation logic?

This may not be the appropriate forum, but its the closest I could find. I write a lot of source to target mappings for work. These documents just describe the operations/logic/transformations/etc. ...
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722 views

Dimensional Modeling and ETL in Redshift

I have been researching Amazon's Redshift database as a possible future replacement for our data warehouse. My experience has always been in using dimensional modeling and Ralph Kimball's methods, so ...
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836 views

SSIS Recordset Destination error

I have an SSIS package targeted at SQL Server 2012. I have it deployed into the Stored Packages in Integration Services and then have a SQL Server Agent job which executes it. The first part of the ...
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185 views

Transfer data from DynamoDB to SQL server 2008?

I want to transfer data from amazon dynamo DB to SQL server 2008. What are the tools or methods which can be used to do this ?
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831 views

How to do automated archiving for a SQL Server database based on interpretation of database metadata?

I am looking for a solution giving me automated archiving of SQL Server databases based on a smart interpretation of table relationships that is able to archive records from related tables minimizing ...
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29 views

SSIS Guarantee that all data will be moved to target when running data flows in parallel

My package has the following two tasks which run in parallel. DF - Move source data to target loads a copy of all source data to target via OLEDB Dest - Target and also loads a copy of source PK ...
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21 views

Logging within a procedure's transaction

I have an ETL process running inside a PostgreSQL 9.3 procedure on AWS RDS. The procedure normally takes about ten minutes to run, but I'm having a rare issue where it takes several hours and never ...
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72 views

Connection refused when inserting

Description: Machine 1: Linux, PostgreSQL 9.3, on local, 10.12.10.123 Machine 2: Linux, PostgreSQL 9.3, on cloud, 104.10.124.123 Configuration (on both): + postgresql.conf : listen_addresses ="*" + ...
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71 views

ETL flow in Fact tables

I've got a simple theoretical question... If we discuss the principles, elements, design and implementation of a typical ETL flow for a dimension table then, in my understanding, (in short) I'd say ...
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188 views

ETL - Moving data from Postgres/Oracle to a TripleStore (RDF)

I'm looking for pointers on how to handle an ETL process that I have to implement for my organization. I know how to query SQL database but i'm not SQL DB specialist. I work more in the sphere of the ...
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238 views

ETL import more dimensions from only 1 column

I was requested at work to learn ETL. I have already created a database without using ETL with some dimensions and consolidations, etc, containing above 1 billion numerical values. Now I have to ...
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45 views

What is the best ways to filter data on the fly

We are implementing a new plan for ETL database, but we do not want to store the intermediate table on our local sql server (only want those records that we need). any body know the best ways to do ...
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26 views

commonly used diagram for ETL

A the title indicates. Am i wondering what is the most commonly used diagram to explain an ETL process? In my case the process is rather linear, would a flowchart suffice? or is a Use-case also ...
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59 views

A “best practice” Postgresql function template for ETL processes

I use SQL Server in my day job, and have a personal project to build a star schema data warehouse in Postgres 9.4 on Ubuntu 14.04 to extend my knowledge (it'll be approximately 300GB uncompressed). ...
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52 views

How to import data from Sqlite into SQL Server 2012

I need to import data from sqlite into SQL Server so we can include it in our data warehouse. Based on previous system volume. Id expect there to be 50-100,000 rows after a couple of years. For ...
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18 views

SSIS - different versions of the project

I am designing the ETL process. I created a package that extracts the data from the source using stored procedures. The SQL query looks like this: EXEC BI.ProcedureName The procedure returns data ...
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46 views

Batch Processing in Talend open studio for data integration

I am using TOS for data integration to transfer a data between mysql and postgres. Its transferring data between small tables successfully. But a table has 3GB data. while trying to transfer data its ...
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9 views

Pentaho getfilename error

I am try to send 20 mail with attachments using pentahi DI, Jobs are like below Get File Names--->Add constants--->Mail But some mails are not send with below error, Thay say files are not ...
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55 views

Tools to insert data faster in MySql database

I am trying to insert data from a flat file which is around 9 GB with about 15 million rows, I used SQl-server 2012 for that. I noticed data insert is much faster with sql server and it took around 30 ...
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126 views

SQL Server 2012/SSIS - How to Import Partitioned Table Data to Reporting DB?

What's a recommended SSIS process flow for importing a daily partitioned table to a reporting DB table (SQL Server 2012)? Will be switching partitions on main DB to a staging table each day and ...
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19 views

Does an Object literal always mean the Predicate and Object form a key-value property on the Subject?

A triple is Subject-Predicate-Object, e.g. Post Office - Not Open - Sunday. Consider another example, Post Office - Size in Square Feet - "4000" For this example, I have two observations: the ...
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318 views

Best way to run an ETL on a production MongoDB database

We have the following environment: 3 servers + 3 replica set servers Each server has 3 shards Our main collection has around 40,000,000 documents that average at around 6kb Our shard key is ...
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83 views

Tracking row level status of SSIS ETL process

I have an ETL Process in SSIS in which I am loading around 150 tables in each run - Truncate and Insert. I have four packages each from different sources. Each package loads different tables. ...
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38 views

Tables with same schema in DB for different sources. Bad pattern?

The main purpose of the system being developed is to collect data from different sources, process and standardize it, and then add it to the DB. After information from all sources is collected it ...
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167 views

Selectively load data using Oracle 11g r2 External Table Preprocessor

I am using the Preprocessor feature in Oracle 11g r2 to load several data files in a table. However, the raw files seem to have certain rows that shouldn't be imported with the rest. For example: ...
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1k views

ssis ado.net destination has failed to acquire the connection

I am Transferring data from sql server source db to sql server destination db (cross db). but some times getting error "ssis ado.net destination has failed to acquire the connection.The connection may ...
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47 views

Merge data using Integration Service

Please Consider this scenario: I have a table in my database. I want move this data in my OLAP database using SSIS.I can move all record from my table to OLAP database.The problem is I don't know how ...
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76 views

Inserting Records - How to get next incremented PK for each insert

I'm using spoon to look for Devices that have several attributes that define its location, and then create a Cabinet in that location if one doesn't exist. Is there an operation that lets me get a ...