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The following data are required to be stored by a family physician.
Family#, FamilyAddress, Patient#, PatientName, ServiceCode, ServiceFee, ServiceDate
A family can have several patients. A patient belongs to a single family. Each service has a code and a fee. A patient can get only one service on a given date. Show the database design in third normal form for the above data.
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
explain ER Modeling?
Describe in brief about the Sequence Diagrams Sequence diagrams are interaction diagrams which emphasize time ordering of messages. In UML, it is shown as a table which shows
Explain Deadlock detection and recovery Deadlock Detection - A deadlock is said to take place when there is a circular chain of transaction, every waiting for the release of a
Give a sample of the Dynamic Model. The sample of dynamic model is given below: Dynamic model for the car: Brake and Accelerator Brake or Applies Accelerator
What is known as clustering file organization? In the clustering file organization, records of several dissimilar relations are stored in the similar file.
What subschema expresses ? A subschema expresses the external view. (External schemas are called also called as subschemas)
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How is Oracle used in PL/SQL? Define the features of process and how they are defined? PL/SQL - PL/SQL is Oracle's procedural language (PL) superset of the Structured
Describe Interfaces for the DBA? Interfaces for the DBA - Most database systems holds privileged commands which could be used only through the DBA's staff. These involves com
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