19. What is an Extension of entity type? The collections of entities of a particular entity type are grouped together into an entity set. 20. What is Weak Entity set? …
DBMS
- DBMSInterview Questions and AnswersTechnical Interview Questions and Answers
- DBMSInterview Questions and AnswersTechnical Interview Questions and Answers
DBMS Basics Interview Questions and Answers For Freshers and Experience Part-2
by Sby S7. Define the “integrity rules”? There are two Integrity rules. Entity Integrity: States that “Primary key cannot have NULL value” Referential Integrity: States that “Foreign Key can be either a …
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DBMS Basics Interview Questions and Answers For Freshers and Experience Part-1
by Sby S1. What is database? A database is a logically coherent collection of data with some inherent meaning, representing some aspect of real world and which is designed, built and populated …
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DBMS Technical Interview Questions and Answers For Graduates Part-5
by Sby S41. Describe the difference between homogeneous and heterogeneous distributed database? A homogenous database is one that uses the same DBMS at each node. A heterogeneous database is one that may …
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DBMS Technical Interview Questions and Answers For Graduates Part-4
by Sby S31. What is Index? An index is a physical structure containing pointers to the data.
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DBMS Technical Interview Questions and Answers For Graduates Part-3
by Sby S21. What is 5NF? A table is in fifth normal form (5NF) or Project-Join Normal Form (PJNF) if it is in 4NF and it cannot have a lossless decomposition into …
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DBMS Technical Interview Questions and Answers For Graduates Part-2
by Sby S11. What is DML (Data Manipulation Language)? This language that enable user to access or manipulate data as organised by appropriate data model. Procedural DML or Low level: DML requires …
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DBMS Technical Interview Questions and Answers For Graduates Part-1
by Sby S1. What is database? A database is a collection of information that is organized. So that it can easily be accessed, managed, and updated.
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DBMS Interview Questions and Answers For Graduates Part-5
by Sby S41. Describe the difference between homogeneous and heterogeneous distributed database? A homogenous database is one that uses the same DBMS at each node. A heterogeneous database is one that may …
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DBMS Interview Questions and Answers For Graduates Part-4
by Sby S31. What is Index? An index is a physical structure containing pointers to the data.