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Explain I command in QBE ?
I : It is the command in QBE that is used to insert tuple (s) into the database
Creating views with Replace option : This option is used to alter the definition of the view without recreating and dropping it or regranting object privileges previously granted o
for the following business rules . Identify all entities, attributes, relationships, primary keys, cardinalities and constraints where appropriate 3. (9) An art museum owns a larg
Explain the main advantages of DBMS over File Oriented System ?
What is a view in SQL? When can views be updated? A view is a virtual table which consists of columns from one or more tables. Through it is same to a table; it is stored in
differences between a classified catalog and a dictionary catalog
1. Which model is used to store data in tree structures Ans: Hierarchical model is used to store data in tree structures
Build a database application for a sports league. Assume your application is to keep track of teams and equipment that is checked out to teams. Explain the steps that is needed and
Problem : (b) A deductive database system is essentially the outcome of applying mathematics logic to database management, where logic is used for both data representation and
what are the purposes of dbms in details
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
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