n (Logic) an uninterpreted symbolic system whose syntax is precisely defined, and on which a relation of deducibility is defined in purely syntactic terms; a logistic system, (Also called) formal theory, formal calculus Compare â formal language. 1  English Collins Dictionary - English Definition & Thesaurus.
ASM metadata is stored in disk groups â in metadata blocks. Some ASM metadata is at the fixed position in every ASM disk, and is referred to as physically addressed metadata. Other ASM metadata is organised in files (directories) and is referred to as virtually addressed metadata.
Metadata is  data about data. Two types of metadata exist: structural metadata and descriptive metadata. Structural metadata is data about the containers of data. Descriptive metadata uses individual instances of application data or the data content. The business metadata tell you what data you have, where they come from, what they mean and what their relationship is to other data in the data warehouse. 2  Business metadata may also serve as a documentation for the DW/BI system. 3  Users who browse the data warehouse are primarily viewing the business metadata.