Answers

2016-04-01T09:21:28+05:30
A database schema is the skeleton structure that represents the logical view of the entiredatabase. It defines how the data is organized and how the relations among them are associated. It formulates all the constraints that are to be applied on the data.
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2016-04-01T12:18:24+05:30
Database schemes of a database system is its structure described in a formal language supported by database management system.The term schemes refers to organization of data as a blueprint of how the database is constructed.
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