Question
Which data modeling technique is used to represent the
relationships between entities in a database?Solution
An Entity-Relationship Diagram (ERD) is a data modeling technique used to represent entities, their attributes, and the relationships between them in a database. It helps visualize how data is related and supports database design by defining the structure of the database. b) Data Flow Diagram (DFD) shows data flow and process interactions but not entity relationships. c) UML provides a range of diagrams, including class diagrams and use case diagrams, but ERD specifically represents database relationships. d) Class Diagram is used in object-oriented design to show classes and their relationships, not database entities. e) State Diagram represents states of an object in a system, not entity relationships.
Which of the following is not a benefit of seed hardening?
In which year was the “Krishi Vigyan Kendra” (KVK) programme launched by ICAR?
Legume crops includes
(A) Pigeon pea
(B) Greengram
(C) Lentil
(D) Horsegram
(E) Rapeseed
Choose the correct answer from the options given below:
Excess copper induces deficiency of which mineral in plants ?
Which of following group of plant nutrients is as structural elements?
Study and selection, planting, care and removal of individual trees, shrubs, vines and other perennial woody plants is known asÂ
Which of the following is considered as power house of the cell?
Which initiative offers open-source infrastructure, including farmer, village map, and crop sown registries, to create farmer-centric solutions?
Leaf curl disease of cotton is due toÂ
Central Institute of Arid Horticulture was located at
