DBMS GATE Questions 2018

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

DBMS GATE Questions 2019

In this article you will get DBMS GATE Questions 2019 with answers. 1. Which one of the following statements is NOT correct about the B+ tree data structure used for creating an index of a relational database table? a. Each leaf node has a pointer to the next leaf nodeb. Non-leaf nodes have pointers to data recordsc. … Read more

DBMS MCQ Questions and Answer Set-9


It Includes the latest DBMS MCQ Questions and Answer.SQL Online test questions and answers. 1.Evaluate the SQL statement: SELECT ROUND (TRUNC (MOD (1600, 10),-1), 2) FROM dual; What will be displayed? a) 0 b) 1 c) C.0.00 d) D.an error statement Ans A 2.Evaluate the SQL statement: TRUNCATE TABLE DEPT; Which three are true about … Read more