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What is D command work in the respect of QBE? D: It is the command inside QBE to delete tuple(s) from the relation.
diagrams and meaning
tell me the functionality,advantages and disadvantages of student database
Describe the algorithm for updating indices for a single level index when a record is (i) Inserted (ii) deleted What will be the modification if there are multilevel in
Question 1: (a) Planning and management of ICT projects have a very poor record in developing countries. Briefly explain five critical success factors for correct implementa
Hot Backup: Some sites cannot terminate the database while creating a backup copy of the files. The cold backup is not a reliable option. So different kinds of backing up database
Differance between internal and external schema? Internal and external schema: Internal Schema • Describes the physical storage structure • Uses a physical data model External
Design a gennalization and specialization hierarchy for an automobile sales company
Consider an information system designed for an online company which provides IT products and services. These include desktops, laptops, networking products, IT books, parts, and te
Query Processor The query language processor is responsible for taking query language statements or shifting them from the English-like syntax of the query language to a form
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