The build table of the rd_releasemgr database holds the data on each individual build job performed by the RM and its associated buildID.  A build is uniquely distinguished by its buildPackageID, osId and variantId, linking to entries in the buildPackage, os, and variant tables respectively.  For any given buildPackageID, there are 1-12 builds in this table depending on the versionType and package of the build package

This table hold a lot of data on each build.  The columns in this table are: