Data Environments
Chapter I
Define each of the following terms in your own word
a) Database
b) DBMS
c) Metadata
a) Database (Crucial Concept): A database is essentially a means of storage and retrieval of items of data. The data is usually either numerical or textual, although other data forms can be accommodated.
A database is a collection of data held logically and with a purpose. Is designed and organized in such manner that it can be accessed later on for different purposes. For example we need to access our Database to update some information from it or just to extract it. Most of the businesses need a DB. They need to retrieve data in its complete form for further analysis or different objectives. Databases are needed to store our data being ready and available when required.
b) DBMS (Crucial Concept): The DBMS would be responsible for all database activities (storage, retrieval, indexing, etc) and also be responsible for keeping a detailed description of the data......
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