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FDs in Entities:
Student entity:
Enrolment number → Student name, Address
Course Entity:
Course code → Course name
Instructor/ Teacher Entity:
Instructor → Office
The Transactions- A transaction is definite as the unit of work in a database system. Database systems that deal with a huge number of transactions are also termed as transaction p
Develop Database academic assignment Project Description: For a provided set of instructions in a case study design Entity Relationship Diagram. - Entity Relationship Diag
Modify a sequence: ALTER SEQUENCE SEQSS INCREMENT 2 MAXVALUE 3000; Removing a sequence: DROP SEQUENCE SEQSS;
What is trigger Triggers are statements that are implemented automatically by the system as the side effect of a change to the database.
Which data type can store unstructured data? Raw data type can store unstructured data.
What is a primary key? Primary key is chosen by the database designer as the principal means of identifying an entity in the entity set.
What are the properties in a relation ? In a relation Ordering of rows is immaterial and No two rows are identical.
Explain the Deferred Update The deferred update methods do not physically update the database on disk till after a transaction reaches its commit point; after that the updates
Define Serializable schedule Serializable schedule: An interleaved schedule of much more than one transaction is known as a serializable schedule, if it is equal to some serial
What is the most significant feature that does not directly map into programming language structures? Why? Association, since there are complex types of association, like as qu
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