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What is Foreign Key
Foreign Key: Sometimes we may have to work with an attribute that does not have a primary key of its own. To recognize its rows, we have to use the primary attribute of a related table. Such a copy of another related table's primary key is known as foreign key.
The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an
Project Description: This is a Customer Management project. Customer data is presented in a text file. The program can load this text data into its database columns. The data ma
Consider a bank that has a collection of sites, each running a database system. Suppose the only way the databases interact is by electronic transfer of money between one another,
The data of a view is not physically stored, but derived from one or more tables. True the data of a view is not physically stored
Hierarchical
It is mandatory that for every table in the LDB hierarchy there should exist one GET statement in the report. False. It is not essential.
Question: (a) What are the challenges in the development of Large Scale Distributed Real Systems? (b) What is backward engineering and forward engineering in a design packa
Process of implementing system design in dynamic models There are three essential approaches to implementing system design in dynamic models. These approaches are as below:
What are the DBMS languages? Briefly explain? Data Definition language (DDL):A database schema is specified through a set of definitions expressed through a special language
State the Steps of Object Design Object design is a very iterative process in which various classes, relationships among objects are added when you move from one level to
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