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Consider the relations described below: PHYSICIAN (regno, name, telno, city) PATIENT (pname, street, city) VISIT (pname, regno, date_of_visit, fee) Where the regno and pname ide
List the table modification commands in SQL? A) Deletion B) Updates C) Insertion D) Update of a view
Why older data models are being replaced by new data modelling 100 words accepted#
explain cascading rollback
Describe the development process of Object oriented methods Object oriented methods have roots which are strongly anchored back in the 60s, functional and structured methods we
A software contract and consultancy firm maintains details of all the various projects in which its employees are currently involved. These details comprise: Employee Numbe
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
What is Cardinality Ratio? Cardinality Ratios - The cardinality ratios for relationship kinds specifies the maximum number of relationship instances in which an entity can pa
List the set operations of SQL? 1) Union 2) Intersect operation 3) The except operation
How does Oracle act as ODBC and give examples of front end uses with ODBC? ODBC achieve portability at the level of the executable by introducing an extra level of indirection.
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