`Unit 4 Data Resource Management What is database? And what are we talking about? This unit is about the databases that corporation usesand marketers use in order to do the day to day business.Database- A database is a set or collection of data that organized in tables and easily searchable. A user can use SQL once the data is in the database to search.Database management system- Is a software that organizes, manages, and accesses data. Its enables users to either create, manage, retrieve and or update the data within the database. When we talk aboutDBMS system one should keep in mind that a system = many parts. One then one part. Its is the query your doing, ETL (extracting, transfer, loading), it’s the tables that hold the data.Database server- Powerful computer that stores the databases and DBMS to access and administer the database. Your database will always have a server that it will be sitting on. The server will house the database that a large corporation will use.Relational database- is based upon relational models of data. The relationships between tables in rows and columns. Object databases- Are not easily sorted my columns or rows, because they are actually objects. Used when multi-media, computer aided designs.