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I need a sample database dump for testing the performance of mysql fulltext search feature. I need around 1-10 million rows.
Would this be available anywhere? If not, what is the simplest way of generating this database.
I also tested various full text solutions. See Full Text Search Throwdown.
I used the StackOverflow data dump to test.
https://blog.stackoverflow.com/2014/01/stack-exchange-cc-data-now-hosted-by-the-internet-archive/
It's in XML format, but it wasn't too difficult to write a script to turn the XML into SQL to load it into a database for testing.
You can download some StackOverflow real data. Check the following link for more details.
You can check the following link for more details about how to restore it.
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I need to generate er diagram from dump of mysql database. I tryed a lot of tools like MySQL WorkBench and they generate only tables, but not connections between them. I need something like this http://www.cacti.net/downloads/docs/sql/database_schema.pdf (last page). Which software could make it? Thanks.
SchemaCrawler for MySQL is a free tool that generates diagrams. SchemaCrawler can infer relationships between tables, based on commonly used naming conventions, and display these with dotted lines. Here is an example diagram:
Sualeh Fatehi, SchemaCrawler
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I have changed database from postgresql to mysql, but I don't know how to transfer data from one to other.
Does anyone know any command by which I can copy/migrate my database from postgresql to mysql?
Faced the problem a few years ago, and used pg2mysql
EDIT 21 july 2019 : this fork seems a better option (patches, light maintenance)
You can use the MySQL Workbench which can import from a variety of database types, including Postgres.
Dbeaver is the perfect solution for painless migration, column to column mapping, character encoding and also open source.
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I am looking for a corpus of text to run some trial fulltext style data searches across. Either something I can download, or a system that generates it. Something a bit more random would be better e.g. 1,000,000 wikipedia articles in a format easy to insert into a 2 column database (id, text).
Any ideas or suggestions?
Project Gutenberg has 32000 books available.
Edit:
As of now (17.06.16) there are 52,284 free ebooks to download as plain text file in UTF-8 in a wide variety of topics (From science to religion).
Also in formats EPUB, Kindle or html format.
Check here Project Gutenberg
Why not use a Wikipedia dump?
I'll throw this out there since I'm familiar with it - Prosper.com makes their member loan listings available for analysis through an XML export. The export would have about 50,000 loan requests with descriptions and over 1,000,000 member profiles (although many of those are empty).
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What is the best FREE solution to implement one ETL project in MySql?
I need to extract for analisys big amount of data, and put the results in other tables.
Regards,
Pedro
Pentaho Kettle (PDI) is open source and it has a community version here, which works quite good.
Talend also does an excellent job for ETL and ELT. You can take a look at this page on my website: http://www.hiregion.com/2010/01/data-loading-through-talend-etl-studio.html and related articles. I have also loaded hundreds of thousands of rows to millions through MySQL bulk loading (LOAD DATA INFILE syntax - dev.mysql.com/doc/refman/5.1/en/load-data.html ) and then doing some transformations in MySQL. You can do most of transformations before the load (ETL) or after load (ELT) or use hybrid technique.
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I've exported all the old orders out of our old store into a mySQL DB.
Anyone know of a simple project or web based app that will let you search all fields with a wildcard?
So if I type in sha automatically any results with those letters would popup.
This would be similar to dbman but with mysql and some ajax. And preferably free and open source.
If you can use a "fat" client you can download the MySQL GUI tools from http://dev.mysql.com/downloads/gui-tools/5.0.html
Also look at http://www.mysqlajaxtableeditor.com/
PHPMyAdmin seems to be the most popular my man.