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Explain What is Relation?
A database relation is a predefined row or column format for storing information in a relational database. Relations are equal to tables.
what is attribute is attribute inheritance in dbms?
Describe DROP TABLE command of SQL along with both the options - CASCADE and RESTRICT. DROP TABLE command - This command drops the specified table. Dropping a table also dro
Problem Explain at least five relational algebraic operators with a suitable example. Note: All the above descriptions should be done by taking at least two examples from ou
What does Aggregation mean?
Explain the rules for creating a labelled precedence graph for testing view serializability. Ans: A schedule S is view serializable if it is view equivalent to a ser
Key to represent relationship amongs tables is called ? A Key that represent the relationship between tables is called Foreign Key.
Ask questiwhat is row indicator in database on #Minimum 100 words accepted#
Information about films holds information about movies, stars and studios. Movies have a title, year of production, length and the film type. Stars have a name and address. Studi
What is Management System? A management system is a set of rules and process which help us to create organize and manipulate the database. It also helps us to add, change delet
Database Administrator One of the main perpose for having the database management system is to have control of both data or programs accessing that data. The person having li
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