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What is the way a particular application views the data from the database that the application uses?
Sub schema is the way a particular application views the data from the database that the application uses.
comparison of oracle RDBMS with MySQL
average response time?
Define database management system? Database management system (DBMS) is a set of interrelated data and a combination of programs to access those data.
Q. Explain the terms key constraints participation constraints and mapping caradinalities in ER model. Participation Constraints : The participation of an entity set E i
Why older data models are being replaced by new data modelling 100 words accepted#
Explain what is DDL? DDL - Data Definition Language: statements used to define the database structure or schema. Some examples: CREATE - to create objects in the database ALT
Most computer systems authenticate users by asking them for the user name and password. However, the user names and passwords often can be guessed by hackers. Suggest an automated,
What are stored and derived attributes? Stored attributes: The attributes keeps in a data base are known as stored attributes. Derived attributes: The attributes that are de
Express the subsequent query in SQL assumes which the data is stored within EMPLOYEE table with relevant fields (i) Display name, job, salary, and hire date of employee who are
Which two tools are used to administer users for Active Directory?
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