Explain DBMS and its type along with its statements?
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A data dictionary contains metadata—that is, data about data. The schema of a table is an example of metadata. ... We specify the storage structure and access methods used by the database system by a set of statements in a special type of DDL called a data storage and definition language.
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A database management system ( DBMS) is a software package with computer programs that controls the creation , maintenance, and use of a database.
Data can be organized in two types:
- Flat File : Data is stored in a single table. Usually suitable for less amount of data.
- Relational : Data is stored in multiple tables and the tables are linked using a common field. Its used for medium to large amount of data.
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