Data Model is collection of conceptual tools for describing -

Related Questions

• Which mapping exists between the conceptual and internal levels:
• Which mapping exists between the external and conceptual levels:
• A method of modelling and describing user tasks for an interactive application is referred to as:
• Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects.
• Representations such as the in the dept year relation, with one column for each value of an attribute, are called                they are widely used in spreadsheets and reports and in data analysis tools.
• Representations such as the in the dept year relation, with one column for each value of an attribute, are called _______ they are widely used in spreadsheets and reports and in data analysis tools.
• Which of these data models is an extension of the relational data model?
• Which data model organizes the data in the form of tables and relations?
• In RDBMS, Data is presented as a collection of............
• In RDBMS, Data is presented as a collection of ............