DBMS Tutorial Point
In this article you will get DBMS GATE Questions 2018 with answers. 1. In an Entity-Relationship (ER) model, suppose R is a many-to-one relationship from entity set E1 to entity set E2. Assume that E1 and E2 participate totally in R and that the cardinality of E1 is greater than the cardinality of E2. Which one … Read more
In this article you will get DBMS GATE Questions 2020 with answers. 1. Consider a relational database containing the following schema. The primary key of each table is indicated by underlying the constituent fields. SELECT s.sno, s.snameFROM Suppliers s, Catalogue cWHERE s.sno = c.sno ANDCost > (SELECT AVG (cost)FROM CatalogueWHERE pno = ‘P4’GROUP BY pno); The … Read more