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What are the situations while DBMS should not be used?
DBMS should not be used in situations like:
(i) No need of security. (ii) Not difficulty to access the data (iii) No redundancy and inconsistency etc.
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
In an E-R diagram how attributes are represented ? In an E-R diagram attributes are represented in a ellipse.
as a customer service employee, explain five measures you would recommend a displeased student to patronise a school canteen
Limitations of File Based System The file-based system has some limitations. The limitations are listed as follows: Isolation and separation of data: When the data is
Insertion Anomaly: Inability to show certain information-The primary key of the over relation be (enrolment number, Cno). Any new tuple to be inserted in the relation should have
What are the function of DBA?
Advantages of Data Distribution The primary benefit of distributed database systems is the ability to access and share data in a reliable and efficient manner.
Give the levels of data abstraction? There are three levels of Data Abstraction a) Physical level b) logical level c) view level
Normal 0 false false false EN-US X-NONE X-NONE
define anomalies and different types of anomalies with example
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