Explain odbc, Database Management System

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Explain ODBC?

ODBC - Open DataBase Connectivity (ODBC) enable the integration of SQL along with a general-reasons programming language.


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Describe the primary key functions? Primary Key : The primary key is an attribute or a set of attributes in which uniquely identify a specific example of an entity. Every entit

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What is vertical fragmentation? Vertical fragmentation divides the relation by decomposing the scheme R of relation r.

Er schema, Consider entity type Employee with attributes empNumber (this is...

Consider entity type Employee with attributes empNumber (this is unique), empName, and the year when he/she was hired. An employee can either be a technical employee, a marketing e

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