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What are called multilevel indices?
Indices with two or more levels are known as multilevel indices.
Explain the Static or conservative Two Phase Locking: Static (or conservative) Two Phase Locking: In this type of scheme, all the data items are locked earlier than any opera
Describe the functions and features of foreign key? Foreign Key : The primary key of one file or table that is implanted in another file or table to implement the relationships
Entity types that do not have any key attribute, and therefore cannot be identified independently, are known as weak entity types. A weak entity can be recognized uniquely only by
assignment
Explain Authorization and Integrity Manager ? Authorization and Integrity Manager: Tests for the satisfaction of integrity constraints and checks the authority of users to acce
how to data store?
4. Describe three ways to handle missing field values
What is the aim of object design The aim of object design is to identify object which the system contains and the interactions among them. The system implements specification
Whta is the advantage of the database management approach? The advantage of the database management approach is data is integrated and can be accessed by multiple programs.
which component of DBMS can be embedded in a program? The data manipulation language (DML) is a component which is embedded in a program.
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