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Explain the benefit of OOM. Main benefits of object oriented modeling are development of system become fast, quality of the system get improve. It gives freedom of use of alrea
Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod
Which two tools are used to administer users for Active Directory?
describe all the tables you have created. ?get table_name, status, num_rows, user_stats in user_tables system view ?get table_name, constraint_name, constraint_type in user_constr
What is Object Oriented model? This model is based on collection of objects. An object has values stored in instance variables with in the object. An object also having bodies
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
Explain the function of Object model Object model describes the classes of objects in system, including their attributes and operations which they support. The analysis object
Give the general form of SQL query? Select A1, A2............., An From R1, R2..............., Rm Where P
Explain retrieval in QBE? Retrieval in QBE : A "GUI" for expressing queries. Based on the Domain Relational Calculus (DRC) Actually invented before GUIs. Very co
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