Define the keywords below $1.$ Customer Relationship Management $($CRM$)2.$ Database Management System $($DBMS$)3.$ Enterprise Resource Planning $($ERP$)4.$ Entity$-$Relationship $($ER$)$ data Modeling$5.$ Referential Integrity Constraints$6.$ Relational Database$7.$ Structured Query Language $($SQL$)8.$ Primary Key$9.$ Surrogate Key$10.$ Foreign Key$11.$ Object$-$Oriented Programming $($OOP$)12.$ Object$-$Relational DBMS$13.$ Database Migration$14.$ Database Administrator$15.$ Instance$16.$ Integrated Tables$17.$ Composite Key$18.$ Data Model$19.$ Data Warehouse$20.$ Distributed Systems