TPC-C-compressions-for-HammerDB.

Add to HammerDB possibility to generate compressible data in TPC-C workload.

How to use this:

1. Download and install HammerDB from https://www.hammerdb.com/
2. download files from this git
3. Change files in main HammerDB's folder from folder Compression_3

Compatible per database:

• mssqlserver: with HammerDB version 4.8
• mysql: with HammerDB version 4.8
• oracle: with HammerDB version 4.8
• postgresql: with HammerDB version 4.11