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What is object containment?
References among objects can be used to model dissimilar real-world concepts.
What are the two types of errors? The two types of errors are: a) Logical error b) System error
Performance of Various Concurrency Control Mechanisms
What is a relationship called when it is maintained between two entities? A relationship is called Binary relationship when it is maintained between two entities.
why older data models are being replaced by new data models.
Explain the ACID properties of a transaction Ans: ACID properties are a significant concept for databases. The ACID stands for Atomicity, Consistency, Isolation, and Durability
how to submit answers softcopy
Question: (a) What do you meant by content management and briefly describe four major components of a Content Management System? (b) Explain key benefits of a Content Manage
An orchestra database consists of the following relations: CONDUCTS (conductor, composition) REQUIRES (composition, Instrument) PLAYS (Player, Instrument) Give the relational
Explain the terms primary key, candidate key, alternate key and secondary key. In the given table identify every key? STUDENT(SID,Regno, Name, City) Primary Key: The prim
Run the following queries. For each query show 1) What you expect the output to be based upon the data 2) the SQL code and 3) the output running the query in Oracle. 1. Show all c
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