What is the difference between a database schema and a database state?
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we specify the database schema only to the DBMS ... it is partly responsible for ensuring that the every state of the database satisfies the structure and constraints specifies in the scheme
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A database is a collection of information that is organized so that it can be easily accessed, managed and updated. Computer databases typically contain aggregations of data records or files, containing information about sales transactions or interactions with specific customers.
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