Relational Algebra Queries Examples Question 1 : Consider the following relational Schema and give the answers of following : Dealer(Dealer_no, Dealer_name, Address) Part(Part_no, Part_Name, Color) Assigned_To(Dealer_no, Part_no, cost) a) Find names of dealers that supply red parts. Answer b) Find names of dealers that supply whole red parts. Answer c) Find names of dealers that…

Theoretical  Questions and Answers on DBMS Question 1: List four significant differences between a file-processing system and a DBMS Answer: A database coordinates the physical and logical access to the data; a file-processing system only coordinates physical access to the data A DBMS reduces the amount of data duplication A DBMS is designed to allow…

Database Index For GATE Students URLs OF The Topics Links : DBMS Introduction : http://www.edugrabs.com/database-and-dbms-introduction/ http://www.edugrabs.com/dbms-vs-file-system/ http://www.edugrabs.com/advantages-and-disadvantage-of-dbms/ http://www.edugrabs.com/components-of-database-and-functions-of-dba/ http://www.edugrabs.com/execution-steps-of-dbms/ http://www.edugrabs.com/components-of-dbms/ http://www.edugrabs.com/architecture-of-dbms/ ER Model : http://www.edugrabs.com/er-model-entity-relationship-model/ http://www.edugrabs.com/type-of-attributes-in-dbms/ http://www.edugrabs.com/types-of-relationships-in-er-diagram/ http://www.edugrabs.com/relationship-constraints-in-dbms/ http://www.edugrabs.com/entity-and-its-types/ http://www.edugrabs.com/composite-entity-example/ http://www.edugrabs.com/supertype-and-subtype/ http://www.edugrabs.com/identifying-and-non-identifying-relationships/ http://www.edugrabs.com/generalization-specialization-and-aggregation-in-dbms/ http://www.edugrabs.com/how-to-make-er-diagram/ http://www.edugrabs.com/er-diagram-questions-with-solutions/ DATA Models : http://www.edugrabs.com/data-models/ http://www.edugrabs.com/hierarchical-model/ http://www.edugrabs.com/the-network-model/ http://www.edugrabs.com/relational-database-or-relational-model/ http://www.edugrabs.com/schema-and-instance-in-database/ http://www.edugrabs.com/relational-database-or-relational-model-part-3/ DATABASE KEYS http://www.edugrabs.com/database-keys-in-dbms/ http://www.edugrabs.com/questions-on-super-keys/ CONSTRAINTS IN DBMS : http://www.edugrabs.com/types-of-constraints-in-dbms-or-relational-constraints/ http://www.edugrabs.com/database-operations-and-constraint-violations/ http://www.edugrabs.com/database-operations-and-dealing-with-constraint-violations/…

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