4 votes 4 votes (i) $\text{DML}$ includes a query language based on both relation algebra and tuple calculus (ii) $\text{DML}$ includes a query language based on tuple calculus (iii) $\text{DML}$ includes a query language based on relational algebra (iv) $\text{DML}$ includes a query language based on none of the relational algebra and tuple calculus Which one is correct ? (i) only (ii) only (iii) only (iv) only Databases ugcnetcse-june2009-paper2 + – rishu_darkshadow asked Sep 22, 2017 edited Jun 23, 2020 by soujanyareddy13 rishu_darkshadow 1.8k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
Best answer 1 votes 1 votes The SQL DML includes a query language based on both the relational algebra and and the tuple relational calculus . It includes also commands to insert tuples into, delete tuples from, and modify tuples in the database. Option A is the Correct Answer. Shubham Sharma 2 answered Sep 23, 2017 selected Sep 26, 2017 by rishu_darkshadow Shubham Sharma 2 comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes DML is short name of Data Manipulation Language which deals with data manipulation, and includes most common SQL statements such SELECT, INSERT, UPDATE, DELETE etc, and it is used to store, modify, retrieve, delete and update data in database. Rishi yadav answered Oct 9, 2017 Rishi yadav comment Share Follow See all 0 reply Please log in or register to add a comment.