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DATABASE MANAGEMENT SYSTEMWhich of the following operations is used if we are interested in only certain columns of a table? - (i) PROJECTION (ii) SELECTION (ii) UNION (iv) JOIN20212mDATABASE MANAGEMENT SYSTEMExplain the following operations with the help of examples: - (i) Set of intersection operation (ii) Natural join operation (iii) Division operation20217mDatabase Management SystemExplain the select, project, join and division with the help of example.20187mDATABASE MANAGEMENT SYSTEMA row from a table is selected by - (i) selection operator - (ii) projection operator - (iii) union operator - (iv) none of these20232m
PreviousWhat is the use of relational query language in DBMS? Use the example to explain tuple and domain relational calculus.NextConstruct the B+ tree for the following set of key values: (2, 3, 5, 7, 11, 17, 19, 23, 29, 31) Assume that tree is initially empty and values are added in ascending order. Construct B+ tree for the cases where the number of pointers that will fit in one node is as follows: (a) Four (b) Six (c) Eight