![]() Use random.choice(someList) and random.shuffle(someList) to assure referential integrity. So you might have ChildEntity picking a random element from ParentEntity to assure that the FK-PK relationship was correct. Instead of generating random keys, you want to make a random selection from the other entities. MyData = įor multiple entities, you have to work out the cardinality. Yes: Generated data can be edited or saved through SQL script.Support for Null values. EMS Data Generator: 60: Oracle DB2 MySQL SQL Server PostgreSQL InterBase etc. Yes: Provides 15 methods to generate or fill in the data. Metabase is a free, open source analytics and business intelligence tool. DTM Data Generator: 149: Microsoft SQL Server Oracle IBM DB2 Sybase, Informix MySQL PostgreSQL etc. Self.append( random.randrange( 100, 1000 ) ) If you want to use one that doesnt, youll have to use SQL or a tool like dbt. Here's a stripped-down one-table-only version of a data generator that writes a CSV file. ![]() ![]() I actually don't like this as much, but you might. Use an ODBC connection to generate data directly into the database. Generate CSV files of data which you can load manually. Generally, you want to build an entity model of your own so that you can be sure you have ranges and key relationships correct. Use an ODBC connection to generate data directly into the database. Looking at 3 and 4 together, you don't want simple reverse engineering - you want something you can control to produce realistic values. There are ways to discover the database metadata and constraints. Get your own Web site up and running with this open-source blogging platform. The contribution is based upon previous work that, to the best of my knowledge, is covered under an appropriate open source license and I have the right under that license to submit that work with modifications, whether created in whole or in part by me, under the same open source license (unless I am permitted to submit under a different. The first two indicate that you want to produce script files that will load your data. Download SQL Data Generator for Windows to generate test data for SQL Server databases. For generating sample data, I use simple Python applications.Ī repeatable set of data that you can for performance testing and get consistent results.įollow all of the DB referential integrity rules and constraints.
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