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What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
what is primary key
Describe the GRANT function and explain, how it associates to security. What kind of privileges may be granted? How are they revoked? Ans: Since more than one user can aacce
what is the need of a log in dbms
What is Information System?
Fourth Normal Form (4NF) When attributes in a relation have multi-valued dependency, further Normalization to 4NF and 5NF are needed. Let us first find out what multi-valued d
(a) Why did SAP introduce the extended star schema?
What is a data dictionary? A data dictionary is a data structure which keeps Meta data about the structure of the database i.e. the schema of the database.
i am required to come up with entities relationships, optionality and cardinality from a scenario. there is a night club and bookings for a musician band
What is Relational Algebra? Relational algebra is a Procedural query Language?
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