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What is a view?
A view is a logical view on one or more tables. A view on one or more tables i.e., the data from a view is not actually physically kept instead being derived from one or more tables.
Which product produces the relation that has attributes of R1 and R2 ? Cartesian product produce the relation which has attributes of R1 and R2
This project will involve designing and creating a database for an organization. In the design of a database, there is no single "perfect" design. So your database design may not
i need help with creating database system for a library
What is relationship? Give examples A relationship is an association between several entities. Example: A depositor relationship associates a customer with every account tha
What is a candidate key? Minimal super keys are known as candidate keys.
Logical Operators Rules of Precedence: Order evaluated Operator 1 All comparison operators 2
Our company hires independent contractors to install equipment at precise locations across North America. We want to track the installation data and generate reports. The compan
Determine the Disadvantages of file based systems Some of the disadvantages of file based systems are like this: Data redundancy and inconsistency: the dissimilar applic
Explain what is RDBMS ? RDBMS - RDBMS is a database management system (DBMS) which stores data within the form of relations. Relational databases are powerful since they need f
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