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Describe integrity and security?
a) Domain constraint
b) Referential integrity
A value that appears in one relation for a given set of attributes also appear for a particular set of attributes in another relation. This condition is known as referential integrity.
a) Referential integrity and E-R models
b) Database modification
c) Referential integrity in SQL
You want to implement following relationships when designing tables. How would you do it? a.) One-to-one b.) One-to-many c.) Many-to-many a.) One-to-One relationship -
Explain five duties of Database Administrator? 1. DBA administers the three stages of the database and, in consultation along with the whole user community, sets up an defin
DML Precompiler All the DBMS have two basic sets of Languages - Data Definition Language (DDL) that have the set of commands needed to define the format of the data that is b
Describe the Menu based interfaces for web clients or browsing? Menu-Based Interfaces for Web Clients or Browsing - These interfaces present the user along with lists of option
PHYSICAL DBMS ARCHITECTURE The physical architecture defines the software components used to process and enter data, and how these software components are related and interc
In which relational modes, cardinality is termed? Answer : Cardinality is termed in a number of tuples relational modes.
Problem: a) Briefly describe what you understand by Client-Server environment b) The File Server is a simple form of Client-Server. Describe the principles of the File Serve
define normalisation and functional dependency
Define average seek time. The average seek time is the average of the seek times, calculated over a sequence of random requests.
What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s
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