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entity relationship diagram - 🧠ANSWER ✔✔shows the relationships
between the tables in a database
primary key - 🧠ANSWER ✔✔a unique identifier of every row or record in
the table
record primary key - 🧠ANSWER ✔✔normally assigned sequentially by the
database as a new record is input into the table
, relational database can have - 🧠ANSWER ✔✔one to one relationship or a
one to many
metadata - 🧠ANSWER ✔✔defines what can go into a particular field and
how it has to be formatted
database management system (DBMS) - 🧠ANSWER ✔✔a software that is
used to create a database, define fields formatting, define database
business rules, and modify the database structure
enterprise system - 🧠ANSWER ✔✔have a single database and each
application accesses the same database
Enterprise Resource Planning (ERP) system - 🧠ANSWER ✔✔often used by
businesses that manufacture products
customer relationship management (CRM) - 🧠ANSWER ✔✔Service
companies and sales companies often use CRM systems
supply chain management (SCM) - 🧠ANSWER ✔✔Companies that are
involved in logistics and distribution would often use an SCM
distributed file system (DFS) or NoSQL database - 🧠ANSWER ✔✔server-
based system that allows for massive amounts of data