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Load sample data into the database tables design and test queries to return the following information • All rows and columns for employees • All rows and columns for customers •
Hierarchical model is also known by? A hierarchical model is also known as a Tree structure.
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
What is relational model feature? A relational model feature is much more data independence than some other database models.
define lock conversion
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
The functions of DBA ?
For each m:n relationship type R, we make a new table (say S) to represent R. We also contain the primary key attributes of both the participating entity types as a foreign key att
Define Signal. It allows methods to respond to events triggered by themselves or by other processes. Each signal corresponds to an exacting event. A signal is represented in Sy
Question 1 Draw a Data Flow Diagram for a University scenario Question 2 Discuss the following with suitable examples Relational Algebra Operators Database Pla
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