Decision Support System (DSS)By Dennis Hill / January 1, 2025 Database[1](s), warehouse(s), and/or mart(s) in conjunction with reporting and analysis software optimized to support timely business decision-making. Defined Terms 1. ↑ Database ( Database ) A set of data. A permanent, self descriptive store of interrelated data items arranged in a logical way that can be accessed by various computer programs.