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Define DBMS?
DBMS: database management system (DBMS) is computer software designed for the reason of supervision databases based on a variety of data models.
What is DataWarehousing? Subject-oriented, meaning that the data in the database is organized so that all the data elements relating to the similar real-world event or object
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What is Primary key? Primary Key - Primary key is one of the candidate keys which uniquely identifies each row in the relation.
can you please explain with the help of suitable example the difference between conflict equivalence and conflict serializability?
What are the categories of SQL command? SQL commands are separated in to the following categories: 1. Data - Definitition Language 2. Data Manipulation language 3. Dat
Define weak and strong entity sets? Weak entity set: entity set that do not have key attribute of their own are known as weak entity sets. Strong entity set: Entity set that
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this info
Give an example of multiple inheritance. One example of multiple inheritance is a committee for students affair which include faculty and administrative staff member.
Identify the need and use of data control through problem solving, illustration
Explain Derived and Non-Derived Attribute? In few cases, two or more attribute values are related, for instance, Age and BirthDate attributes of a person. For specific person e
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