Info-Tech - Emerging Technologies Flashcards
Bitcoin
Distributed Ledger
Peer to Peer Network
Rule Based Expert Systems
Rule-based expert systems do not learn from experience; they simply execute rules.
Master File
A master file is a file containing relatively permanent information used as a source of reference and periodically updated, and this is characteristic of an inventory subsidiary file.
Off-site mirrored Web server
off-site mirrored Web server would provide for continuous duplication of data in geographically separated locations.
SQL
Virtually all relational databases use the SQL computer language.
Object Program
the translation of a symbolic-language program (readable by humans) results in an object program which is machine-readable.
Relational databases
- Are flexible and useful for unplanned, ad hoc queries.
- Store data in table form
- Are maintained on direct access devices.
Hierarchical Databases
Hierarchical databases use tree structures to organize data; relational databases use tables.
Data Definition Language
The data definition language defines the database structure and content, especially the schema and subschema descriptions, including the names of the data elements contained in the database and their relationship to each other.
Data Mining
Data mining uses tools which look for trends or anomalies without such advance knowledge.
Data Mart
A data mart is a type of data warehouse that is customized for an organization.