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What are the drawbacks of File Oriented System in details?
Define the terms i) DDL ii) DML DDL: Data base schema is particular by a set of definitions expressed by a special language known as a data definition language. DML: A data
to develop elrctronic database from manual forms
can you create a database for me in oracle/sql
Explain natural join? Natural Join - Similar as equi-join except in which the join attributes (having similar names) are not involved in the resulting relation. Only one sets
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
statical data
What is Functional Dependency? A Functional dependency is shown by X Y among two sets of attributes X and Y that are subsets of R specifies a constraint on the possible tuple
What is transaction? Collections of operations that form a single logical unit of work are known as transactions.
prototype of a distributed information system for a national car part retail outlet chain.
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