You can store large volumes of tabular data in a custom dataset (equivalent to a relational database table) and relate each record to one or more entities.
You can then query entities for related records, and join multiple datasets for use in a variety of applications throughout LUSID.
Note: The following entity types currently support association with datasets:
Portfolio,Instrument,Transaction,LegalEntity,Person,InvestorRecord,InvestmentAccount,Holding,SettlementInstruction. Other entity types coming soon.