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What are the four main characteristics of the database approach? The four major characteristics of the database approach are: 1. Self-describing nature of a database system. 2.
What is catalog in DBMS? Catalog - A relational DBMS maintains information about every table and index in which it contains. A catalog is a collection of special tables that st
The Incident table, with an auto-incrementing incident number, etc, looks like: incident_num reporter date time incide
Q. Describe how an ER schema can be represented by relation schemas and constraints arising from ER design can be mapped to constraints on a relation schema. The entity rela
What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.
A database to track your progress in your college program will track your progress towards graduation! A database that has information containing the classes that you have taken, c
Draw an EER diagram that captures the "is-a" hierarchy of students in another simple database. The database captures both the "basic" information (say, student ID and student name)
What is an Operand? The data on which the operation is to be performed is known as an Operand
Difference between SQL and SQL*Plus SQL SQL*Plus SQL is a language SQL *Plus is an environment It is bas
How to create values of structured type? Constructor functions are used to make values of structured types. A function with the similar name as a structured type is a construct
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