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Answer SQL Queries to extract data from data tables and questions on mapping conceptual data models into relational data model.
ER diagram on cosmetics
(a) What is a Sub-Query? (b) What is the difference between a scalar sub-query and a tabular sub-query? (c) Write an equivalent SQL statement to get the Name of Product wh
For the question given below, you are required to submit design and implementation documentation as described over the page. Design, implement (in Java), test and document a set of
How to create a table from existing table? Create table as e.g, To create a new table ‘N_emp' with employee names and their identification numbers only from employee ta
Explain the use of constraints in functional model with suitable example. A constraint shows relationship between two objects at same time, or among various values of the sam
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
Retrieve the S&S In-Chapter Database (in Microsoft Access format) from the text's Web site (or create the tables in Table 4-5 in a relational DBMS product). Write queries to answer
QUESTION (a)(i) Define the term database. (ii) How is it different from a database management system? (b) What is the difference between an entity and an attribute? (c
note on hashing technique
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