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State the Component Diagram
A component diagram represents a set of component and relationships among them. In a dynamic model, component diagram is used to model physical components for example executable releases, databases, libraries, adaptable systems or files. It has components, interfaces, subsystems, packages, generalization, association, dependency, and relationship. The notation for components and relationship among components is shown as:
What is ODBC ? ODBC - Open DataBase Connectivity which is also denoted by ODBC enable the integration of SQL along with a common-purpose programming language. ODBC expose data
Information about films holds information about movies, stars and studios. Movies have a title, year of production, length and the film type. Stars have a name and address. Studi
What are the advantages of by using an index and what are its disadvantages ? In difference, if the search key of a secondary index is not a candidate key, it is not sufficient
Benefits: It limits data access. It makes difficult queries look easy. It permits data independence. It presents dissimilar views of the similar data.
Construct a clean ans concise ER diagram for the database indicating the cardinality mapping for Employee management syatem
Distributed Control and Data sharing: The geographical distribution of an organization can be showed in the distribution of the data; if a number of different sites are linked to e
Secondary Indexes Let consider the student database and its clustering index and primary (only one will be applicable at a time). Now consider the state when the database is to
Natural Join : It is the similar like Equi join except one of the duplicate columns is removed in the result table. The natural join is the most usually used form of join operation
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Distributed And Client Server Databases Introduction This unit tells the distributed database systems which are primarily relational and one important execution model: the
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