Dad 220: 1.2: Database Systems Already Passed

Open Source Software (OSS) {Ans: Software that is free and where anyone can look at and potentially modify the code.}Database system requirements {Ans: Performance Authorization Security Rules Recovery}Data dictionary {Ans: A directory of tables, columns, indexes, and other database objects}NoSQL {Ans: A new generation of database management systems that is not based on the traditional relational database model.}Query optimization {Ans: examining multiple ways of executing the same query and choosing the fastest option}Big Data {Ans: a broad term for datasets so large or complex that traditional data processing applications are inadequate.}